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https://prepshorts.com/learn/class-12/maths/three-dimensional-geometry/exercise-11-12026-09-30 https://prepshorts.com/learn/class-12/maths/three-dimensional-geometry/exercise-11-22026-09-30 https://prepshorts.com/learn/class-12/maths/three-dimensional-geometry/miscellaneous-exercise2026-09-30 https://prepshorts.com/learn/class-12/maths/three-dimensional-geometry2026-09-30 https://prepshorts.com/learn/class-12/maths/linear-programming/exercise-12-12026-09-30 https://prepshorts.com/learn/class-12/maths/linear-programming2026-09-30 https://prepshorts.com/learn/class-12/maths/probability/exercise-13-12026-09-30 https://prepshorts.com/learn/class-12/maths/probability/exercise-13-22026-09-30 https://prepshorts.com/learn/class-12/maths/probability/exercise-13-32026-09-30 https://prepshorts.com/learn/class-12/maths/probability/miscellaneous-exercise2026-09-30 https://prepshorts.com/learn/class-12/maths/probability2026-09-30 https://prepshorts.com/learn/class-6/maths/hi2026-10-03 https://prepshorts.com/learn/class-7/maths/hi2026-10-03 https://prepshorts.com/learn/class-8/maths/hi2026-10-03 https://prepshorts.com/learn/class-9/maths/hi2026-09-29 https://prepshorts.com/learn/class-10/maths/hi2026-10-03 https://prepshorts.com/learn/class-11/maths/hi2026-09-29 https://prepshorts.com/hindi2026-10-03 https://prepshorts.com/learn/class-6/maths/patterns-in-mathematics/mathematics-is-the-search-for-patterns-and-for-why-they-hold2026-10-03 https://prepshorts.com/poster/g06-maths-ch01-m01-t01-1280.d1ea00644c.jpg Mathematics is the search for patterns and for why they hold NCERT Class 6 Maths Ganita Prakash, Chapter 1. A pattern doubles five times in a row and then breaks. Before I say anything at all, look at these. https://prepshorts.com/v/g06-maths-ch01-m01-t01/index.m3u8 543 2026-08-28 yes no no https://prepshorts.com/learn/class-6/maths/patterns-in-mathematics/mathematics-is-the-search-for-patterns-and-for-why-they-hold/hi2026-10-03 https://prepshorts.com/poster/g06-maths-ch01-m01-t01-1280.d1ea00644c.jpg Class 6 Maths Ch 1 in Hindi · गणित patterns की खोज है NCERT Class 6 Maths Chapter 1 in Hindi · कक्षा 6, अध्याय 1, हिंदी में. 5 आकृतियाँ, लकीरों की पंक्तियों से बनी — 1, 3, 6, 10, 15 लकीरें। छठी में कितनी होंगी? https://prepshorts.com/v/g06-maths-ch01-m01-t01/index.m3u8 543 2026-08-28 yes no no https://prepshorts.com/learn/class-6/maths/patterns-in-mathematics/every-number-sequence-is-a-rule-not-a-list2026-10-03 https://prepshorts.com/poster/g06-maths-ch01-m02-t01-1280.6ef8f8aad1.jpg Every number sequence is a rule, not a list NCERT Class 6 Maths Ganita Prakash, Chapter 1. Two rows of the same printed table both start 1, 2, 3 — and then one goes to 4 and the other to 5. https://prepshorts.com/v/g06-maths-ch01-m02-t01/index.m3u8 700 2026-08-28 yes no no https://prepshorts.com/learn/class-6/maths/patterns-in-mathematics/every-number-sequence-is-a-rule-not-a-list/hi2026-10-03 https://prepshorts.com/poster/g06-maths-ch01-m02-t01-1280.6ef8f8aad1.jpg Class 6 Maths Ch 1 in Hindi · हर number sequence एक नियम है NCERT Class 6 Maths Chapter 1 in Hindi · कक्षा 6, अध्याय 1, हिंदी में. 1, 2, 3 — इसके बाद क्या आएगा? ये रहे 3 numbers, एक के बाद एक: 1, 2, 3।. https://prepshorts.com/v/g06-maths-ch01-m02-t01/index.m3u8 700 2026-08-28 yes no no https://prepshorts.com/learn/class-6/maths/patterns-in-mathematics/drawing-a-sequence-makes-its-rule-visible2026-10-03 https://prepshorts.com/poster/g06-maths-ch01-m02-t02-1280.20156dad10.jpg Drawing a sequence makes its rule visible NCERT Class 6 Maths Ganita Prakash, Chapter 1. “Triangular number” isn't a label — it's a claim that that many dots really do go into a triangle. Ten do. https://prepshorts.com/v/g06-maths-ch01-m02-t02/index.m3u8 781 2026-08-28 yes no no https://prepshorts.com/learn/class-6/maths/patterns-in-mathematics/drawing-a-sequence-makes-its-rule-visible/hi2026-10-03 https://prepshorts.com/poster/g06-maths-ch01-m02-t02-1280.20156dad10.jpg Class 6 Maths Ch 1 in Hindi · sequence का चित्र बनाने NCERT Class 6 Maths Chapter 1 in Hindi · कक्षा 6, अध्याय 1, हिंदी में. 10 dots से triangle बनेगा? और 11 dots से? https://prepshorts.com/v/g06-maths-ch01-m02-t02/index.m3u8 781 2026-08-28 yes no no https://prepshorts.com/learn/class-6/maths/patterns-in-mathematics/why-adding-the-odd-numbers-gives-the-squares2026-10-03 https://prepshorts.com/poster/g06-maths-ch01-m02-t03-1280.5a4ffade54.jpg Why does adding odd numbers give square numbers? NCERT Class 6 Maths Ganita Prakash, Chapter 1. Six lines of addition say the odd numbers add to a square six times. https://prepshorts.com/v/g06-maths-ch01-m02-t03/index.m3u8 604 2026-08-28 yes no no https://prepshorts.com/learn/class-6/maths/patterns-in-mathematics/why-adding-the-odd-numbers-gives-the-squares/hi2026-10-03 https://prepshorts.com/poster/g06-maths-ch01-m02-t03-1280.5a4ffade54.jpg Class 6 Maths Ch 1 in Hindi · odd numbers जोड़ने से squares NCERT Class 6 Maths Chapter 1 in Hindi · कक्षा 6, अध्याय 1, हिंदी में. Why adding the odd numbers gives the squares. https://prepshorts.com/v/g06-maths-ch01-m02-t03/index.m3u8 604 2026-08-28 yes no no https://prepshorts.com/learn/class-6/maths/patterns-in-mathematics/sequences-that-turn-out-to-be-the-same-sequence-in-disguise2026-10-03 https://prepshorts.com/poster/g06-maths-ch01-m02-t04-1280.a59c9f6550.jpg Sequences that turn out to be the same sequence in disguise NCERT Class 6 Maths, Ch 1. Sequences that turn out to be the same sequence in disguise. Fit two consecutive triangular arrays together and read off a square. https://prepshorts.com/v/g06-maths-ch01-m02-t04/index.m3u8 719 2026-08-28 yes no no https://prepshorts.com/learn/class-6/maths/patterns-in-mathematics/sequences-that-turn-out-to-be-the-same-sequence-in-disguise/hi2026-10-03 https://prepshorts.com/poster/g06-maths-ch01-m02-t04-1280.a59c9f6550.jpg Class 6 Maths Ch 1 in Hindi · वे sequences जो भेस बदले हुए NCERT Class 6 Maths Chapter 1 in Hindi · कक्षा 6, अध्याय 1, हिंदी में. Sequences that turn out to be the same sequence in disguise. https://prepshorts.com/v/g06-maths-ch01-m02-t04/index.m3u8 719 2026-08-28 yes no no https://prepshorts.com/learn/class-6/maths/patterns-in-mathematics/shapes-come-in-sequences-too-with-rules-of-their-own2026-10-03 https://prepshorts.com/poster/g06-maths-ch01-m03-t01-1280.5c27a01d23.jpg Shapes come in sequences too, with rules of their own NCERT Class 6 Maths Ganita Prakash, Chapter 1. Four of Table 3's five shape sequences let you draw the next shape. https://prepshorts.com/v/g06-maths-ch01-m03-t01/index.m3u8 689 2026-08-28 yes no no https://prepshorts.com/learn/class-6/maths/patterns-in-mathematics/shapes-come-in-sequences-too-with-rules-of-their-own/hi2026-10-03 https://prepshorts.com/poster/g06-maths-ch01-m03-t01-1280.5c27a01d23.jpg Class 6 Maths Ch 1 in Hindi · आकृतियाँ भी sequences में आती NCERT Class 6 Maths Chapter 1 in Hindi · कक्षा 6, अध्याय 1, हिंदी में. triangle, square, pentagon, hexagon — इसके बाद क्या आएगा? https://prepshorts.com/v/g06-maths-ch01-m03-t01/index.m3u8 689 2026-08-28 yes no no https://prepshorts.com/learn/class-6/maths/patterns-in-mathematics/counting-the-parts-of-a-shape-sequence-produces-a-number2026-10-03 https://prepshorts.com/poster/g06-maths-ch01-m03-t02-1280.a4dcb0df45.jpg From shape sequences to number sequences Class 6 Maths Ganita Prakash, Ch 1. Stacked squares and stacked triangles both give 1, 4, 9, 16, 25 — for reasons that have nothing to do with each other. https://prepshorts.com/v/g06-maths-ch01-m03-t02/index.m3u8 668 2026-08-28 yes no no https://prepshorts.com/learn/class-6/maths/patterns-in-mathematics/counting-the-parts-of-a-shape-sequence-produces-a-number/hi2026-10-03 https://prepshorts.com/poster/g06-maths-ch01-m03-t02-1280.a4dcb0df45.jpg Class 6 Maths Ch 1 in Hindi · आकृतियों की sequence के हिस्से NCERT Class 6 Maths Chapter 1 in Hindi · कक्षा 6, अध्याय 1, हिंदी में. Counting the parts of a shape sequence produces a number sequence. https://prepshorts.com/v/g06-maths-ch01-m03-t02/index.m3u8 668 2026-08-28 yes no no https://prepshorts.com/learn/class-6/maths/lines-and-angles/a-point-fixes-a-location-a-segment-is-the-shortest-route2026-10-03 https://prepshorts.com/poster/g06-maths-ch02-m01-t01-1280.ac04ae2178.jpg Points, line segments, rays and lines NCERT Class 6 Maths Ganita Prakash, Chapter 2. Geometry opens by naming two things nobody can draw. State what a point determines and what it does not have. https://prepshorts.com/v/g06-maths-ch02-m01-t01/index.m3u8 519 2026-08-28 yes no no https://prepshorts.com/learn/class-6/maths/lines-and-angles/a-point-fixes-a-location-a-segment-is-the-shortest-route/hi2026-10-03 https://prepshorts.com/poster/g06-maths-ch02-m01-t01-1280.ac04ae2178.jpg Class 6 Maths Ch 2 in Hindi · point एक जगह तय करता NCERT Class 6 Maths Chapter 2 in Hindi · कक्षा 6, अध्याय 2, हिंदी में. A point fixes a location; a segment is the shortest route between two points. https://prepshorts.com/v/g06-maths-ch02-m01-t01/index.m3u8 519 2026-08-28 yes no no https://prepshorts.com/learn/class-6/maths/lines-and-angles/line-and-ray-what-changes-when-you-refuse-to-stop2026-10-03 https://prepshorts.com/poster/g06-maths-ch02-m01-t02-1280.76592cc398.jpg Line and ray: what changes when you refuse to stop Class 6 Maths, Ch 2. A line is a segment with the stopping taken away — and that one change is why two dots on a page decide an endless object completely. https://prepshorts.com/v/g06-maths-ch02-m01-t02/index.m3u8 662 2026-08-28 yes no no https://prepshorts.com/learn/class-6/maths/lines-and-angles/line-and-ray-what-changes-when-you-refuse-to-stop/hi2026-10-03 https://prepshorts.com/poster/g06-maths-ch02-m01-t02-1280.76592cc398.jpg Class 6 Maths Ch 2 in Hindi · Line और ray NCERT Class 6 Maths Chapter 2 in Hindi · कक्षा 6, अध्याय 2, हिंदी में. Line and ray: what changes when you refuse to stop. https://prepshorts.com/v/g06-maths-ch02-m01-t02/index.m3u8 662 2026-08-28 yes no no https://prepshorts.com/learn/class-6/maths/lines-and-angles/an-angle-is-an-amount-of-turn-not-a-pair-of-drawn-arms2026-10-03 https://prepshorts.com/poster/g06-maths-ch02-m02-t01-1280.46d7452b2a.jpg An angle is an amount of turn, not a pair of drawn arms NCERT Class 6 Maths Ganita Prakash, Chapter 2. An angle is an amount of turn, not a pair of drawn arms. Count how many angles a given set of points can name. https://prepshorts.com/v/g06-maths-ch02-m02-t01/index.m3u8 694 2026-08-28 yes no no https://prepshorts.com/learn/class-6/maths/lines-and-angles/an-angle-is-an-amount-of-turn-not-a-pair-of-drawn-arms/hi2026-10-03 https://prepshorts.com/poster/g06-maths-ch02-m02-t01-1280.46d7452b2a.jpg Class 6 Maths Ch 2 in Hindi · angle घुमाव की एक मात्रा है NCERT Class 6 Maths Chapter 2 in Hindi · कक्षा 6, अध्याय 2, हिंदी में. An angle is an amount of turn, not a pair of drawn arms. https://prepshorts.com/v/g06-maths-ch02-m02-t01/index.m3u8 694 2026-08-28 yes no no https://prepshorts.com/learn/class-6/maths/lines-and-angles/comparing-two-angles-without-measuring-either-of-them2026-10-03 https://prepshorts.com/poster/g06-maths-ch02-m02-t02-1280.15835ff2b6.jpg Comparing two angles without measuring either of them Class 6 Maths Ganita Prakash, Ch 2. Comparing two angles without measuring either of them. Explain equality a second way, in terms of equal amounts of turn. https://prepshorts.com/v/g06-maths-ch02-m02-t02/index.m3u8 742 2026-08-28 yes no no https://prepshorts.com/learn/class-6/maths/lines-and-angles/comparing-two-angles-without-measuring-either-of-them/hi2026-10-03 https://prepshorts.com/poster/g06-maths-ch02-m02-t02-1280.15835ff2b6.jpg Class 6 Maths Ch 2 in Hindi · दो angles की तुलना NCERT Class 6 Maths Chapter 2 in Hindi · कक्षा 6, अध्याय 2, हिंदी में. 2 angles, लगभग बराबर खुले — कौन बड़ा है? https://prepshorts.com/v/g06-maths-ch02-m02-t02/index.m3u8 742 2026-08-28 yes no no https://prepshorts.com/learn/class-6/maths/lines-and-angles/straight-and-right-angles-as-the-landmarks-of-a-full-turn2026-10-03 https://prepshorts.com/poster/g06-maths-ch02-m03-t01-1280.5e63a78311.jpg Straight and right angles as the landmarks of a full turn NCERT Class 6 Maths Ganita Prakash, Chapter 2. A right angle isn't “a corner that looks square”. Name that angle and mark it in a figure. https://prepshorts.com/v/g06-maths-ch02-m03-t01/index.m3u8 735 2026-08-28 yes no no https://prepshorts.com/learn/class-6/maths/lines-and-angles/straight-and-right-angles-as-the-landmarks-of-a-full-turn/hi2026-10-03 https://prepshorts.com/poster/g06-maths-ch02-m03-t01-1280.5e63a78311.jpg Class 6 Maths Ch 2 in Hindi · Straight angle और right angle NCERT Class 6 Maths Chapter 2 in Hindi · कक्षा 6, अध्याय 2, हिंदी में. Straight and right angles as the landmarks of a full turn. https://prepshorts.com/v/g06-maths-ch02-m03-t01/index.m3u8 735 2026-08-28 yes no no https://prepshorts.com/learn/class-6/maths/lines-and-angles/the-degree-why-a-full-turn-was-cut-into-360-equal-parts2026-10-03 https://prepshorts.com/poster/g06-maths-ch02-m03-t02-1280.fe0aa7c0b6.jpg Why are there 360 degrees in a full turn? NCERT Class 6 Maths Ganita Prakash, Chapter 2. A degree wasn't discovered — it was manufactured, by cutting one full turn into 360 equal slices. https://prepshorts.com/v/g06-maths-ch02-m03-t02/index.m3u8 779 2026-08-28 yes no no https://prepshorts.com/learn/class-6/maths/lines-and-angles/the-degree-why-a-full-turn-was-cut-into-360-equal-parts/hi2026-10-03 https://prepshorts.com/poster/g06-maths-ch02-m03-t02-1280.fe0aa7c0b6.jpg Class 6 Maths Ch 2 in Hindi · Degree: पूरे घुमाव को 360 NCERT Class 6 Maths Chapter 2 in Hindi · कक्षा 6, अध्याय 2, हिंदी में. The degree: why a full turn was cut into 360 equal parts. https://prepshorts.com/v/g06-maths-ch02-m03-t02/index.m3u8 779 2026-08-28 yes no no https://prepshorts.com/learn/class-6/maths/lines-and-angles/reading-and-drawing-an-angle-with-a-protractor2026-10-03 https://prepshorts.com/poster/g06-maths-ch02-m03-t03-1280.76f342f8b9.jpg Reading and drawing an angle with a protractor NCERT Class 6 Maths Ganita Prakash, Chapter 2. Every protractor reading is a subtraction. Read the same angle from the numbered scale instead of by counting. https://prepshorts.com/v/g06-maths-ch02-m03-t03/index.m3u8 917 2026-08-28 yes no no https://prepshorts.com/learn/class-6/maths/lines-and-angles/reading-and-drawing-an-angle-with-a-protractor/hi2026-10-03 https://prepshorts.com/poster/g06-maths-ch02-m03-t03-1280.76f342f8b9.jpg Class 6 Maths Ch 2 in Hindi · protractor से angle पढ़ना NCERT Class 6 Maths Chapter 2 in Hindi · कक्षा 6, अध्याय 2, हिंदी में. Reading and drawing an angle with a protractor. https://prepshorts.com/v/g06-maths-ch02-m03-t03/index.m3u8 917 2026-08-28 yes no no https://prepshorts.com/learn/class-6/maths/lines-and-angles/acute-obtuse-and-reflex-one-classification-covering-every2026-10-03 https://prepshorts.com/poster/g06-maths-ch02-m04-t01-1280.b5a0f3fb87.jpg Acute, right, obtuse and reflex angles NCERT Class 6 Maths Ganita Prakash, Chapter 2. Acute, right, obtuse — most people stop there. State the degree measures of a straight angle and a right angle. https://prepshorts.com/v/g06-maths-ch02-m04-t01/index.m3u8 830 2026-08-28 yes no no https://prepshorts.com/learn/class-6/maths/lines-and-angles/acute-obtuse-and-reflex-one-classification-covering-every/hi2026-10-03 https://prepshorts.com/poster/g06-maths-ch02-m04-t01-1280.b5a0f3fb87.jpg Class 6 Maths Ch 2 in Hindi · Acute, obtuse और reflex NCERT Class 6 Maths Chapter 2 in Hindi · कक्षा 6, अध्याय 2, हिंदी में. Acute, obtuse and reflex: one classification covering every angle. https://prepshorts.com/v/g06-maths-ch02-m04-t01/index.m3u8 830 2026-08-28 yes no no https://prepshorts.com/learn/class-6/maths/number-play/the-same-children-different-numbers-a-number-depends-on-what2026-10-03 https://prepshorts.com/poster/g06-maths-ch03-m01-t01-1280.4ed5a23179.jpg Why the same group gives different numbers NCERT Class 6 Maths Ganita Prakash, Chapter 3. Eight children say eight numbers. State, in your own words, what each child in the picture is counting. https://prepshorts.com/v/g06-maths-ch03-m01-t01/index.m3u8 595 2026-08-28 yes no no https://prepshorts.com/learn/class-6/maths/number-play/the-same-children-different-numbers-a-number-depends-on-what/hi2026-10-03 https://prepshorts.com/poster/g06-maths-ch03-m01-t01-1280.4ed5a23179.jpg Class 6 Maths Ch 3 in Hindi · वही बच्चे, अलग numbers NCERT Class 6 Maths Chapter 3 in Hindi · कक्षा 6, अध्याय 3, हिंदी में. The same children, different numbers: a number depends on what is being counted. https://prepshorts.com/v/g06-maths-ch03-m01-t01/index.m3u8 595 2026-08-28 yes no no https://prepshorts.com/learn/class-6/maths/number-play/supercells-a-number-s-status-comes-from-its-neighbours2026-10-03 https://prepshorts.com/poster/g06-maths-ch03-m01-t02-1280.86c712015c.jpg Supercells: a number's status comes from its neighbours NCERT Class 6 Maths Ganita Prakash, Chapter 3. 34 is a supercell and 694 isn't, though 694 is twenty times bigger. https://prepshorts.com/v/g06-maths-ch03-m01-t02/index.m3u8 635 2026-08-28 yes no no https://prepshorts.com/learn/class-6/maths/number-play/supercells-a-number-s-status-comes-from-its-neighbours/hi2026-10-03 https://prepshorts.com/poster/g06-maths-ch03-m01-t02-1280.86c712015c.jpg Class 6 Maths Ch 3 in Hindi · Supercells NCERT Class 6 Maths Chapter 3 in Hindi · कक्षा 6, अध्याय 3, हिंदी में. Supercells: a number's status comes from its neighbours. https://prepshorts.com/v/g06-maths-ch03-m01-t02/index.m3u8 635 2026-08-28 yes no no https://prepshorts.com/learn/class-6/maths/number-play/placing-a-large-number-on-the-number-line-by-feel2026-10-03 https://prepshorts.com/poster/g06-maths-ch03-m01-t03-1280.763e8a8c21.jpg Placing a large number on the number line by feel NCERT Class 6 Maths Ganita Prakash, Chapter 3. Placing a large number on the number line by feel. Read the step of a number line from two labelled marks. https://prepshorts.com/v/g06-maths-ch03-m01-t03/index.m3u8 626 2026-08-28 yes no no https://prepshorts.com/learn/class-6/maths/number-play/placing-a-large-number-on-the-number-line-by-feel/hi2026-10-03 https://prepshorts.com/poster/g06-maths-ch03-m01-t03-1280.763e8a8c21.jpg Class 6 Maths Ch 3 in Hindi · बड़े number को number line NCERT Class 6 Maths Chapter 3 in Hindi · कक्षा 6, अध्याय 3, हिंदी में. Placing a large number on the number line by feel. https://prepshorts.com/v/g06-maths-ch03-m01-t03/index.m3u8 626 2026-08-28 yes no no https://prepshorts.com/learn/class-6/maths/number-play/how-many-numbers-have-a-given-number-of-digits-and-why-digit2026-10-03 https://prepshorts.com/poster/g06-maths-ch03-m02-t01-1280.019b00dcad.jpg Counting numbers by digit length, and digit sums NCERT Class 6 Maths Ganita Prakash, Chapter 3. There are 90,000 five-digit numbers, and you can know that without writing one down. https://prepshorts.com/v/g06-maths-ch03-m02-t01/index.m3u8 640 2026-08-28 yes no no https://prepshorts.com/learn/class-6/maths/number-play/how-many-numbers-have-a-given-number-of-digits-and-why-digit/hi2026-10-03 https://prepshorts.com/poster/g06-maths-ch03-m02-t01-1280.019b00dcad.jpg Class 6 Maths Ch 3 in Hindi · तय अंकों वाले कितने numbers NCERT Class 6 Maths Chapter 3 in Hindi · कक्षा 6, अध्याय 3, हिंदी में. How many numbers have a given number of digits, and why digit sums behave. https://prepshorts.com/v/g06-maths-ch03-m02-t01/index.m3u8 640 2026-08-28 yes no no https://prepshorts.com/learn/class-6/maths/number-play/palindromes-and-why-reverse-and-add-usually-lands-on-one2026-10-03 https://prepshorts.com/poster/g06-maths-ch03-m02-t02-1280.8cb800ec95.jpg Palindrome numbers: why reverse and add works NCERT Class 6 Maths, Chapter 3. Add a two-digit number to its reverse and you always get eleven lots of its digit sum — which is symmetric by construction. https://prepshorts.com/v/g06-maths-ch03-m02-t02/index.m3u8 644 2026-08-28 yes no no https://prepshorts.com/learn/class-6/maths/number-play/palindromes-and-why-reverse-and-add-usually-lands-on-one/hi2026-10-03 https://prepshorts.com/poster/g06-maths-ch03-m02-t02-1280.8cb800ec95.jpg Class 6 Maths Ch 3 in Hindi · Palindromes NCERT Class 6 Maths Chapter 3 in Hindi · कक्षा 6, अध्याय 3, हिंदी में. Palindromes, and why reverse-and-add usually lands on one. https://prepshorts.com/v/g06-maths-ch03-m02-t02/index.m3u8 644 2026-08-28 yes no no https://prepshorts.com/learn/class-6/maths/number-play/kaprekar-s-6174-a-process-that-always-ends-in-the-same-place2026-10-03 https://prepshorts.com/poster/g06-maths-ch03-m02-t03-1280.38fd89ccae.jpg Kaprekar's constant 6174 NCERT Class 6 Maths Ganita Prakash, Chapter 3. 6174 rebuilds itself out of its own digits — and it is the only four-digit number that does. https://prepshorts.com/v/g06-maths-ch03-m02-t03/index.m3u8 581 2026-08-28 yes no no https://prepshorts.com/learn/class-6/maths/number-play/kaprekar-s-6174-a-process-that-always-ends-in-the-same-place/hi2026-10-03 https://prepshorts.com/poster/g06-maths-ch03-m02-t03-1280.38fd89ccae.jpg Class 6 Maths Ch 3 in Hindi · Kaprekar का 6174 NCERT Class 6 Maths Chapter 3 in Hindi · कक्षा 6, अध्याय 3, हिंदी में. Kaprekar's 6174: a process that always ends in the same place. https://prepshorts.com/v/g06-maths-ch03-m02-t03/index.m3u8 581 2026-08-28 yes no no https://prepshorts.com/learn/class-6/maths/number-play/clock-times-and-calendar-dates-patterns-the-format-lets-you2026-10-03 https://prepshorts.com/poster/g06-maths-ch03-m02-t04-1280.caff9e2a20.jpg Number patterns in clock times and dates NCERT Class 6 Maths Ganita Prakash, Chapter 3. Every palindromic date this century falls in February — all 29 of them, no exceptions. https://prepshorts.com/v/g06-maths-ch03-m02-t04/index.m3u8 638 2026-08-28 yes no no https://prepshorts.com/learn/class-6/maths/number-play/clock-times-and-calendar-dates-patterns-the-format-lets-you/hi2026-10-03 https://prepshorts.com/poster/g06-maths-ch03-m02-t04-1280.caff9e2a20.jpg Class 6 Maths Ch 3 in Hindi · घड़ी के समय और calendar NCERT Class 6 Maths Chapter 3 in Hindi · कक्षा 6, अध्याय 3, हिंदी में. Clock times and calendar dates: patterns the format lets you have. https://prepshorts.com/v/g06-maths-ch03-m02-t04/index.m3u8 638 2026-08-28 yes no no https://prepshorts.com/learn/class-6/maths/number-play/rearranging-a-sum-so-it-can-be-done-in-your-head2026-10-03 https://prepshorts.com/poster/g06-maths-ch03-m03-t01-1280.de9376333e.jpg Rearranging a sum so it can be done in your head NCERT Class 6 Maths Ganita Prakash, Chapter 3. Out of every whole thousand there is, exactly one cannot be built from the book's five numbers — 1,000. https://prepshorts.com/v/g06-maths-ch03-m03-t01/index.m3u8 625 2026-08-28 yes no no https://prepshorts.com/learn/class-6/maths/number-play/rearranging-a-sum-so-it-can-be-done-in-your-head/hi2026-10-03 https://prepshorts.com/poster/g06-maths-ch03-m03-t01-1280.de9376333e.jpg Class 6 Maths Ch 3 in Hindi · जोड़ को ऐसे फिर से सजाना कि वह NCERT Class 6 Maths Chapter 3 in Hindi · कक्षा 6, अध्याय 3, हिंदी में. Rearranging a sum so it can be done in your head. https://prepshorts.com/v/g06-maths-ch03-m03-t01/index.m3u8 625 2026-08-28 yes no no https://prepshorts.com/learn/class-6/maths/number-play/estimation-when-an-approximate-answer-is-the-right-answer2026-10-03 https://prepshorts.com/poster/g06-maths-ch03-m03-t02-1280.9d99f4347b.jpg Estimation: when an approximate answer is the right answer Class 6 Maths, Ch 3. Paromita rounds 96 up to 100 and then multiplies by five year groups — so she did not round once, she rounded five times, all upward. https://prepshorts.com/v/g06-maths-ch03-m03-t02/index.m3u8 611 2026-08-28 yes no no https://prepshorts.com/learn/class-6/maths/number-play/estimation-when-an-approximate-answer-is-the-right-answer/hi2026-10-03 https://prepshorts.com/poster/g06-maths-ch03-m03-t02-1280.9d99f4347b.jpg Class 6 Maths Ch 3 in Hindi · आकलन: जब लगभग वाला जवाब ही सही NCERT Class 6 Maths Chapter 3 in Hindi · कक्षा 6, अध्याय 3, हिंदी में. एक school में कितने बच्चे हैं? एक school में कितने बच्चे हैं? https://prepshorts.com/v/g06-maths-ch03-m03-t02/index.m3u8 611 2026-08-28 yes no no https://prepshorts.com/learn/class-6/maths/number-play/the-collatz-conjecture-a-question-a-child-can-ask-and-nobody2026-10-03 https://prepshorts.com/poster/g06-maths-ch03-m04-t01-1280.dfa41565ba.jpg The Collatz conjecture, explained simply NCERT Class 6 Maths Ganita Prakash, Chapter 3. From 100 the chain rises seven times and never once gets above 100. https://prepshorts.com/v/g06-maths-ch03-m04-t01/index.m3u8 576 2026-08-28 yes no no https://prepshorts.com/learn/class-6/maths/number-play/the-collatz-conjecture-a-question-a-child-can-ask-and-nobody/hi2026-10-03 https://prepshorts.com/poster/g06-maths-ch03-m04-t01-1280.dfa41565ba.jpg Class 6 Maths Ch 3 in Hindi · Collatz परिकल्पना NCERT Class 6 Maths Chapter 3 in Hindi · कक्षा 6, अध्याय 3, हिंदी में. The Collatz conjecture: a question a child can ask and nobody can settle. https://prepshorts.com/v/g06-maths-ch03-m04-t01/index.m3u8 576 2026-08-28 yes no no https://prepshorts.com/learn/class-6/maths/number-play/winning-strategies-working-a-game-backwards-from-its-end2026-10-03 https://prepshorts.com/poster/g06-maths-ch03-m04-t02-1280.9baf8912af.jpg Winning strategies: working a game backwards from its end NCERT Class 6 Maths Ganita Prakash, Chapter 3. Forwards, this game has 223,317 complete plays. Backwards, it has six numbers. https://prepshorts.com/v/g06-maths-ch03-m04-t02/index.m3u8 542 2026-08-28 yes no no https://prepshorts.com/learn/class-6/maths/number-play/winning-strategies-working-a-game-backwards-from-its-end/hi2026-10-03 https://prepshorts.com/poster/g06-maths-ch03-m04-t02-1280.9baf8912af.jpg Class 6 Maths Ch 3 in Hindi · जीतने की युक्तियाँ NCERT Class 6 Maths Chapter 3 in Hindi · कक्षा 6, अध्याय 3, हिंदी में. Winning strategies: working a game backwards from its end. https://prepshorts.com/v/g06-maths-ch03-m04-t02/index.m3u8 542 2026-08-28 yes no no https://prepshorts.com/learn/class-6/maths/data-handling-and-presentation/turning-an-argument-into-a-question-you-can-settle-with-data2026-10-03 https://prepshorts.com/poster/g06-maths-ch04-m01-t01-1280.7ebec701b9.jpg Turning an argument into a question you can settle with data NCERT Class 6 Maths Ganita Prakash, Chapter 4. Navya is certain cricket is her class's favourite. Two children in a class are arguing. https://prepshorts.com/v/g06-maths-ch04-m01-t01/index.m3u8 546 2026-08-28 yes no no https://prepshorts.com/learn/class-6/maths/data-handling-and-presentation/turning-an-argument-into-a-question-you-can-settle-with-data/hi2026-10-03 https://prepshorts.com/poster/g06-maths-ch04-m01-t01-1280.7ebec701b9.jpg Class 6 Maths Ch 4 in Hindi · बहस को ऐसे सवाल में बदलना जिसे NCERT Class 6 Maths Chapter 4 in Hindi · कक्षा 6, अध्याय 4, हिंदी में. Turning an argument into a question you can settle with data. https://prepshorts.com/v/g06-maths-ch04-m01-t01/index.m3u8 546 2026-08-28 yes no no https://prepshorts.com/learn/class-6/maths/data-handling-and-presentation/tally-marks-and-frequency-organising-data-so-it-can-be-read2026-10-03 https://prepshorts.com/poster/g06-maths-ch04-m01-t02-1280.6478fdacf5.jpg Tally marks and frequency: organising data so it can be read NCERT Class 6 Maths Ganita Prakash, Chapter 4. A tally mark is not a tidier numeral. Record a running count using tally marks, bundling every fifth stroke. https://prepshorts.com/v/g06-maths-ch04-m01-t02/index.m3u8 536 2026-08-28 yes no no https://prepshorts.com/learn/class-6/maths/data-handling-and-presentation/tally-marks-and-frequency-organising-data-so-it-can-be-read/hi2026-10-03 https://prepshorts.com/poster/g06-maths-ch04-m01-t02-1280.6478fdacf5.jpg Class 6 Maths Ch 4 in Hindi · Tally marks और frequency NCERT Class 6 Maths Chapter 4 in Hindi · कक्षा 6, अध्याय 4, हिंदी में. Tally marks and frequency: organising data so it can be read. https://prepshorts.com/v/g06-maths-ch04-m01-t02/index.m3u8 536 2026-08-28 yes no no https://prepshorts.com/learn/class-6/maths/data-handling-and-presentation/pictographs-and-why-the-scale-has-to-be-stated2026-10-03 https://prepshorts.com/poster/g06-maths-ch04-m02-t01-1280.62cb3debd1.jpg Pictographs: why the scale must be stated NCERT Class 6 Maths Ganita Prakash, Chapter 4. Five symbols mean five students on one page and fifty on the next. https://prepshorts.com/v/g06-maths-ch04-m02-t01/index.m3u8 626 2026-08-28 yes no no https://prepshorts.com/learn/class-6/maths/data-handling-and-presentation/pictographs-and-why-the-scale-has-to-be-stated/hi2026-10-03 https://prepshorts.com/poster/g06-maths-ch04-m02-t01-1280.62cb3debd1.jpg Class 6 Maths Ch 4 in Hindi · Pictographs NCERT Class 6 Maths Chapter 4 in Hindi · कक्षा 6, अध्याय 4, हिंदी में. Pictographs, and why the scale has to be stated. https://prepshorts.com/v/g06-maths-ch04-m02-t01/index.m3u8 626 2026-08-28 yes no no https://prepshorts.com/learn/class-6/maths/data-handling-and-presentation/reading-a-bar-graph-what-length-is-standing-for2026-10-03 https://prepshorts.com/poster/g06-maths-ch04-m03-t01-1280.05819e208f.jpg Reading a bar graph: what length is standing for Class 6 Maths Ganita Prakash, Ch 4. Reading a bar graph: what length is standing for. Read a named value off a bar graph using the graph's stated scale. https://prepshorts.com/v/g06-maths-ch04-m03-t01/index.m3u8 603 2026-08-28 yes no no https://prepshorts.com/learn/class-6/maths/data-handling-and-presentation/reading-a-bar-graph-what-length-is-standing-for/hi2026-10-03 https://prepshorts.com/poster/g06-maths-ch04-m03-t01-1280.05819e208f.jpg Class 6 Maths Ch 4 in Hindi · Bar graph पढ़ना NCERT Class 6 Maths Chapter 4 in Hindi · कक्षा 6, अध्याय 4, हिंदी में. Reading a bar graph: what length is standing for. https://prepshorts.com/v/g06-maths-ch04-m03-t01/index.m3u8 603 2026-08-28 yes no no https://prepshorts.com/learn/class-6/maths/data-handling-and-presentation/drawing-a-bar-graph-and-choosing-a-scale-that-fits2026-10-03 https://prepshorts.com/poster/g06-maths-ch04-m03-t02-1280.93ff76683d.jpg Drawing a bar graph, and choosing a scale that fits NCERT Class 6 Maths Ganita Prakash, Chapter 4. Drawing a bar graph is a division problem wearing a ruler. How many students will one unit of length be worth? https://prepshorts.com/v/g06-maths-ch04-m03-t02/index.m3u8 606 2026-08-28 yes no no https://prepshorts.com/learn/class-6/maths/data-handling-and-presentation/drawing-a-bar-graph-and-choosing-a-scale-that-fits/hi2026-10-03 https://prepshorts.com/poster/g06-maths-ch04-m03-t02-1280.93ff76683d.jpg Class 6 Maths Ch 4 in Hindi · Bar graph बनाना NCERT Class 6 Maths Chapter 4 in Hindi · कक्षा 6, अध्याय 4, हिंदी में. Drawing a bar graph, and choosing a scale that fits. https://prepshorts.com/v/g06-maths-ch04-m03-t02/index.m3u8 606 2026-08-28 yes no no https://prepshorts.com/learn/class-6/maths/data-handling-and-presentation/what-makes-a-data-picture-clear-and-worth-looking-at2026-10-03 https://prepshorts.com/poster/g06-maths-ch04-m04-t01-1280.94c8d5bc00.jpg What makes a good graph? Class 6 data handling NCERT Class 6 Maths Ganita Prakash, Chapter 4. A table of the seven continental summits is completely accurate and almost useless. https://prepshorts.com/v/g06-maths-ch04-m04-t01/index.m3u8 591 2026-08-28 yes no no https://prepshorts.com/learn/class-6/maths/data-handling-and-presentation/what-makes-a-data-picture-clear-and-worth-looking-at/hi2026-10-03 https://prepshorts.com/poster/g06-maths-ch04-m04-t01-1280.94c8d5bc00.jpg Class 6 Maths Ch 4 in Hindi · data की तस्वीर को साफ़ NCERT Class 6 Maths Chapter 4 in Hindi · कक्षा 6, अध्याय 4, हिंदी में. What makes a data picture clear and worth looking at. https://prepshorts.com/v/g06-maths-ch04-m04-t01/index.m3u8 591 2026-08-28 yes no no https://prepshorts.com/learn/class-6/maths/data-handling-and-presentation/how-a-decorated-graph-can-mislead-an-honest-reader2026-10-03 https://prepshorts.com/poster/g06-maths-ch04-m04-t02-1280.30b811e3f8.jpg How a graph can mislead: spotting the trick NCERT Class 6 Maths Ganita Prakash, Chapter 4. Widen the triangles as you heighten them and the picture quietly claims that taller mountains are broader. https://prepshorts.com/v/g06-maths-ch04-m04-t02/index.m3u8 618 2026-08-28 yes no no https://prepshorts.com/learn/class-6/maths/data-handling-and-presentation/how-a-decorated-graph-can-mislead-an-honest-reader/hi2026-10-03 https://prepshorts.com/poster/g06-maths-ch04-m04-t02-1280.30b811e3f8.jpg Class 6 Maths Ch 4 in Hindi · सजा हुआ graph एक ईमानदार पढ़ने NCERT Class 6 Maths Chapter 4 in Hindi · कक्षा 6, अध्याय 4, हिंदी में. How a decorated graph can mislead an honest reader. https://prepshorts.com/v/g06-maths-ch04-m04-t02/index.m3u8 618 2026-08-28 yes no no https://prepshorts.com/learn/class-6/maths/prime-time/common-multiples-why-the-first-idli-vada-is-152026-10-03 https://prepshorts.com/poster/g06-maths-ch05-m01-t01-1280.3576fd2339.jpg Common multiples explained with the idli-vada game NCERT Class 6 Maths Ganita Prakash, Chapter 5. Why does the FIRST “apple-banana” land on 15 — and why does the pattern break for 4 and 6? https://prepshorts.com/v/g06-maths-ch05-m01-t01/index.m3u8 668 2026-08-28 yes no no https://prepshorts.com/learn/class-6/maths/prime-time/common-multiples-why-the-first-idli-vada-is-15/hi2026-10-03 https://prepshorts.com/poster/g06-maths-ch05-m01-t01-1280.3576fd2339.jpg Class 6 Maths Ch 5 in Hindi · Common multiples NCERT Class 6 Maths Chapter 5 in Hindi · कक्षा 6, अध्याय 5, हिंदी में. Common multiples: why the first "idli-vada" is 15. https://prepshorts.com/v/g06-maths-ch05-m01-t01/index.m3u8 668 2026-08-28 yes no no https://prepshorts.com/learn/class-6/maths/prime-time/common-factors-which-jump-sizes-can-land-on-a-number2026-10-03 https://prepshorts.com/poster/g06-maths-ch05-m01-t02-1280.a04a876886.jpg Common factors: which jump sizes can land on a number NCERT Class 6 Maths Ganita Prakash, Chapter 5. Which jump lengths land exactly on 24 — and why do 14 and 36 share almost nothing? https://prepshorts.com/v/g06-maths-ch05-m01-t02/index.m3u8 608 2026-08-28 yes no no https://prepshorts.com/learn/class-6/maths/prime-time/common-factors-which-jump-sizes-can-land-on-a-number/hi2026-10-03 https://prepshorts.com/poster/g06-maths-ch05-m01-t02-1280.a04a876886.jpg Class 6 Maths Ch 5 in Hindi · Common factors NCERT Class 6 Maths Chapter 5 in Hindi · कक्षा 6, अध्याय 5, हिंदी में. Common factors: which jump sizes can land on a number. https://prepshorts.com/v/g06-maths-ch05-m01-t02/index.m3u8 608 2026-08-28 yes no no https://prepshorts.com/learn/class-6/maths/prime-time/prime-and-composite-the-rectangle-test-for-a-number-s2026-10-03 https://prepshorts.com/poster/g06-maths-ch05-m02-t01-1280.e271db0c85.jpg Prime and composite numbers NCERT Class 6 Maths Ganita Prakash, Chapter 5. Twelve figs pack into three different rectangles. Seven pack into one. That difference has a name. https://prepshorts.com/v/g06-maths-ch05-m02-t01/index.m3u8 673 2026-08-28 yes no no https://prepshorts.com/learn/class-6/maths/prime-time/prime-and-composite-the-rectangle-test-for-a-number-s/hi2026-10-03 https://prepshorts.com/poster/g06-maths-ch05-m02-t01-1280.e271db0c85.jpg Class 6 Maths Ch 5 in Hindi · Prime और composite NCERT Class 6 Maths Chapter 5 in Hindi · कक्षा 6, अध्याय 5, हिंदी में. Prime and composite: the rectangle test for a number's factors. https://prepshorts.com/v/g06-maths-ch05-m02-t01/index.m3u8 673 2026-08-28 yes no no https://prepshorts.com/learn/class-6/maths/prime-time/the-sieve-of-eratosthenes-finding-primes-by-removing2026-10-03 https://prepshorts.com/poster/g06-maths-ch05-m02-t02-1280.257af86a95.jpg The sieve of Eratosthenes NCERT Class 6 Maths Ganita Prakash, Chapter 5. Twenty-five primes below 100, found without a single division. Here are the numbers from one to one hundred. https://prepshorts.com/v/g06-maths-ch05-m02-t02/index.m3u8 575 2026-08-28 yes no no https://prepshorts.com/learn/class-6/maths/prime-time/the-sieve-of-eratosthenes-finding-primes-by-removing/hi2026-10-03 https://prepshorts.com/poster/g06-maths-ch05-m02-t02-1280.257af86a95.jpg Class 6 Maths Ch 5 in Hindi · Eratosthenes की छलनी NCERT Class 6 Maths Chapter 5 in Hindi · कक्षा 6, अध्याय 5, हिंदी में. The sieve of Eratosthenes: finding primes by removing multiples. https://prepshorts.com/v/g06-maths-ch05-m02-t02/index.m3u8 575 2026-08-28 yes no no https://prepshorts.com/learn/class-6/maths/prime-time/co-prime-pairs-and-why-sharing-no-factor-is-what-matters2026-10-03 https://prepshorts.com/poster/g06-maths-ch05-m03-t01-1280.f3f236ff63.jpg What are co-prime numbers, and why do they matter? NCERT Class 6 Maths Ganita Prakash, Chapter 5. 4 and 9 are co-prime, and neither one is prime. The name is a trap — and the fix is three pictures of one fact. https://prepshorts.com/v/g06-maths-ch05-m03-t01/index.m3u8 634 2026-08-28 yes no no https://prepshorts.com/learn/class-6/maths/prime-time/co-prime-pairs-and-why-sharing-no-factor-is-what-matters/hi2026-10-03 https://prepshorts.com/poster/g06-maths-ch05-m03-t01-1280.f3f236ff63.jpg Class 6 Maths Ch 5 in Hindi · Co-prime जोड़ियाँ NCERT Class 6 Maths Chapter 5 in Hindi · कक्षा 6, अध्याय 5, हिंदी में. Co-prime pairs, and why sharing no factor is what matters. https://prepshorts.com/v/g06-maths-ch05-m03-t01/index.m3u8 634 2026-08-28 yes no no https://prepshorts.com/learn/class-6/maths/prime-time/prime-factorisation-and-why-there-is-only-one-of-them-per2026-10-03 https://prepshorts.com/poster/g06-maths-ch05-m03-t02-1280.03dc1a1a84.jpg Why prime factorisation is unique NCERT Class 6 Maths Ganita Prakash, Chapter 5. A student's arithmetic is perfectly correct and her conclusion is wrong. https://prepshorts.com/v/g06-maths-ch05-m03-t02/index.m3u8 579 2026-08-28 yes no no https://prepshorts.com/learn/class-6/maths/prime-time/prime-factorisation-and-why-there-is-only-one-of-them-per/hi2026-10-03 https://prepshorts.com/poster/g06-maths-ch05-m03-t02-1280.03dc1a1a84.jpg Class 6 Maths Ch 5 in Hindi · Prime factorisation NCERT Class 6 Maths Chapter 5 in Hindi · कक्षा 6, अध्याय 5, हिंदी में. कक्षा में सवाल पूछा गया: क्या 56 और 63 सह-अभाज्य हैं? https://prepshorts.com/v/g06-maths-ch05-m03-t02/index.m3u8 579 2026-08-28 yes no no https://prepshorts.com/learn/class-6/maths/prime-time/reading-co-primality-and-divisibility-straight-off-the-prime2026-10-03 https://prepshorts.com/poster/g06-maths-ch05-m03-t03-1280.b6306b9dd9.jpg Co-primes and divisibility from prime factors NCERT Class 6 Maths Ganita Prakash, Chapter 5. 42 has every prime that 12 has, and 12 still doesn't divide it. https://prepshorts.com/v/g06-maths-ch05-m03-t03/index.m3u8 495 2026-08-28 yes no no https://prepshorts.com/learn/class-6/maths/prime-time/reading-co-primality-and-divisibility-straight-off-the-prime/hi2026-10-03 https://prepshorts.com/poster/g06-maths-ch05-m03-t03-1280.b6306b9dd9.jpg Class 6 Maths Ch 5 in Hindi · Prime factorisation से सीधे NCERT Class 6 Maths Chapter 5 in Hindi · कक्षा 6, अध्याय 5, हिंदी में. क्या 56 और 63 सह-अभाज्य हैं? एक सवाल से शुरू करते हैं।. https://prepshorts.com/v/g06-maths-ch05-m03-t03/index.m3u8 495 2026-08-28 yes no no https://prepshorts.com/learn/class-6/maths/prime-time/divisibility-tests-for-10-5-2-4-and-8-why-only-the-last2026-10-03 https://prepshorts.com/poster/g06-maths-ch05-m04-t01-1280.76c197fbef.jpg Divisibility tests for 2, 4, 5, 8 and 10 NCERT Class 6 Maths Ganita Prakash, Chapter 5. Five divisibility shortcuts that look like five tricks. The last video of the chapter. https://prepshorts.com/v/g06-maths-ch05-m04-t01/index.m3u8 648 2026-08-28 yes no no https://prepshorts.com/learn/class-6/maths/prime-time/divisibility-tests-for-10-5-2-4-and-8-why-only-the-last/hi2026-10-03 https://prepshorts.com/poster/g06-maths-ch05-m04-t01-1280.76c197fbef.jpg Class 6 Maths Ch 5 in Hindi · 10, 5, 2 NCERT Class 6 Maths Chapter 5 in Hindi · कक्षा 6, अध्याय 5, हिंदी में. ये रही एक संख्या — 8560। 2 से 10 तक की कौन-कौन सी संख्याएँ इसे बाँटती हैं? https://prepshorts.com/v/g06-maths-ch05-m04-t01/index.m3u8 648 2026-08-28 yes no no https://prepshorts.com/learn/class-6/maths/perimeter-and-area/perimeter-as-the-distance-all-the-way-round2026-10-03 https://prepshorts.com/poster/g06-maths-ch06-m01-t01-1280.cdb2ca53c1.jpg Perimeter as the distance all the way round Class 6 Maths Ganita Prakash, Ch 6. Perimeter is the length of a walk round the edge — so a boundary can only be counted when every step is the same length. https://prepshorts.com/v/g06-maths-ch06-m01-t01/index.m3u8 610 2026-08-28 yes no no https://prepshorts.com/learn/class-6/maths/perimeter-and-area/perimeter-as-the-distance-all-the-way-round/hi2026-10-03 https://prepshorts.com/poster/g06-maths-ch06-m01-t01-1280.cdb2ca53c1.jpg Class 6 Maths Ch 6 in Hindi · Perimeter NCERT Class 6 Maths Chapter 6 in Hindi · कक्षा 6, अध्याय 6, हिंदी में. Perimeter as the distance all the way round. https://prepshorts.com/v/g06-maths-ch06-m01-t01/index.m3u8 610 2026-08-28 yes no no https://prepshorts.com/learn/class-6/maths/perimeter-and-area/the-rectangle-and-square-formulas-are-shortcuts-for-the-same2026-10-03 https://prepshorts.com/poster/g06-maths-ch06-m01-t02-1280.94c240fc27.jpg Perimeter of a rectangle and a square NCERT Class 6 Maths Ganita Prakash, Chapter 6. The rectangle and square formulas are shortcuts for the same addition. https://prepshorts.com/v/g06-maths-ch06-m01-t02/index.m3u8 585 2026-08-28 yes no no https://prepshorts.com/learn/class-6/maths/perimeter-and-area/the-rectangle-and-square-formulas-are-shortcuts-for-the-same/hi2026-10-03 https://prepshorts.com/poster/g06-maths-ch06-m01-t02-1280.94c240fc27.jpg Class 6 Maths Ch 6 in Hindi · Rectangle और square NCERT Class 6 Maths Chapter 6 in Hindi · कक्षा 6, अध्याय 6, हिंदी में. The rectangle and square formulas are shortcuts for the same addition. https://prepshorts.com/v/g06-maths-ch06-m01-t02/index.m3u8 585 2026-08-28 yes no no https://prepshorts.com/learn/class-6/maths/perimeter-and-area/triangles-and-regular-polygons-when-equal-sides-let-you2026-10-03 https://prepshorts.com/poster/g06-maths-ch06-m01-t03-1280.c9024d9afd.jpg Perimeter of triangles and regular polygons NCERT Class 6 Maths Ganita Prakash, Chapter 6. Triangles and regular polygons: when equal sides let you multiply. https://prepshorts.com/v/g06-maths-ch06-m01-t03/index.m3u8 596 2026-08-28 yes no no https://prepshorts.com/learn/class-6/maths/perimeter-and-area/triangles-and-regular-polygons-when-equal-sides-let-you/hi2026-10-03 https://prepshorts.com/poster/g06-maths-ch06-m01-t03-1280.c9024d9afd.jpg Class 6 Maths Ch 6 in Hindi · Triangles और regular polygons NCERT Class 6 Maths Chapter 6 in Hindi · कक्षा 6, अध्याय 6, हिंदी में. Triangles and regular polygons: when equal sides let you multiply. https://prepshorts.com/v/g06-maths-ch06-m01-t03/index.m3u8 596 2026-08-28 yes no no https://prepshorts.com/learn/class-6/maths/perimeter-and-area/area-as-a-count-of-unit-squares2026-10-03 https://prepshorts.com/poster/g06-maths-ch06-m02-t01-1280.996390041c.jpg Area as a count of unit squares — Class 6 NCERT Class 6 Maths Ganita Prakash, Chapter 6. Area as a count of unit squares. State what area measures and distinguish it from perimeter. https://prepshorts.com/v/g06-maths-ch06-m02-t01/index.m3u8 597 2026-08-28 yes no no https://prepshorts.com/learn/class-6/maths/perimeter-and-area/area-as-a-count-of-unit-squares/hi2026-10-03 https://prepshorts.com/poster/g06-maths-ch06-m02-t01-1280.996390041c.jpg Class 6 Maths Ch 6 in Hindi · Area, यानी unit squares NCERT Class 6 Maths Chapter 6 in Hindi · कक्षा 6, अध्याय 6, हिंदी में. एक आकृति के बारे में 2 अलग सवाल: किनारी पर चक्कर कितना लंबा है, और अंदर कितनी जगह है? https://prepshorts.com/v/g06-maths-ch06-m02-t01/index.m3u8 597 2026-08-28 yes no no https://prepshorts.com/learn/class-6/maths/perimeter-and-area/why-area-is-measured-in-squares-and-not-in-circles2026-10-03 https://prepshorts.com/poster/g06-maths-ch06-m02-t02-1280.f958408913.jpg Why is area measured in square units? NCERT Class 6 Maths Ganita Prakash, Chapter 6. Why area is measured in squares and not in circles. State what a shape must do to serve as a unit of area. https://prepshorts.com/v/g06-maths-ch06-m02-t02/index.m3u8 600 2026-08-28 yes no no https://prepshorts.com/learn/class-6/maths/perimeter-and-area/why-area-is-measured-in-squares-and-not-in-circles/hi2026-10-03 https://prepshorts.com/poster/g06-maths-ch06-m02-t02-1280.f958408913.jpg Class 6 Maths Ch 6 in Hindi · Area squares में क्यों नापा NCERT Class 6 Maths Chapter 6 in Hindi · कक्षा 6, अध्याय 6, हिंदी में. क्षेत्रफल हमेशा वर्गों में क्यों गिना जाता है — गोलों में क्यों नहीं? https://prepshorts.com/v/g06-maths-ch06-m02-t02/index.m3u8 600 2026-08-28 yes no no https://prepshorts.com/learn/class-6/maths/perimeter-and-area/estimating-the-area-of-a-shape-with-no-formula2026-10-03 https://prepshorts.com/poster/g06-maths-ch06-m02-t03-1280.b5206671f1.jpg Estimating the area of a shape with no formula NCERT Class 6 Maths Ganita Prakash, Chapter 6. Estimating the area of a shape with no formula. Trace a shape onto squared paper and count its squares. https://prepshorts.com/v/g06-maths-ch06-m02-t03/index.m3u8 539 2026-08-28 yes no no https://prepshorts.com/learn/class-6/maths/perimeter-and-area/estimating-the-area-of-a-shape-with-no-formula/hi2026-10-03 https://prepshorts.com/poster/g06-maths-ch06-m02-t03-1280.b5206671f1.jpg Class 6 Maths Ch 6 in Hindi · बिना formula वाली आकृति NCERT Class 6 Maths Chapter 6 in Hindi · कक्षा 6, अध्याय 6, हिंदी में. 2 आकृतियाँ — एक लहराती, एक 9 नुकीले सिरों वाली। किसके अंदर ज़्यादा जगह है? https://prepshorts.com/v/g06-maths-ch06-m02-t03/index.m3u8 539 2026-08-28 yes no no https://prepshorts.com/learn/class-6/maths/perimeter-and-area/same-area-many-perimeters-why-one-does-not-determine-the2026-10-03 https://prepshorts.com/poster/g06-maths-ch06-m03-t01-1280.a9e444c9d6.jpg Same area, different perimeters NCERT Class 6 Maths Ganita Prakash, Chapter 6. Same area, many perimeters: why one does not determine the other. https://prepshorts.com/v/g06-maths-ch06-m03-t01/index.m3u8 654 2026-08-28 yes no no https://prepshorts.com/learn/class-6/maths/perimeter-and-area/same-area-many-perimeters-why-one-does-not-determine-the/hi2026-10-03 https://prepshorts.com/poster/g06-maths-ch06-m03-t01-1280.a9e444c9d6.jpg Class 6 Maths Ch 6 in Hindi · एक ही area, कई perimeters NCERT Class 6 Maths Chapter 6 in Hindi · कक्षा 6, अध्याय 6, हिंदी में. Same area, many perimeters: why one does not determine the other. https://prepshorts.com/v/g06-maths-ch06-m03-t01/index.m3u8 654 2026-08-28 yes no no https://prepshorts.com/learn/class-6/maths/perimeter-and-area/why-a-triangle-takes-exactly-half-the-rectangle-around-it2026-10-03 https://prepshorts.com/poster/g06-maths-ch06-m04-t01-1280.b1c029c631.jpg Why is a triangle half of its rectangle? NCERT Class 6 Maths Ganita Prakash, Chapter 6. A triangle takes exactly half the rectangle around it — whatever shape the triangle is. https://prepshorts.com/v/g06-maths-ch06-m04-t01/index.m3u8 550 2026-08-28 yes no no https://prepshorts.com/learn/class-6/maths/perimeter-and-area/why-a-triangle-takes-exactly-half-the-rectangle-around-it/hi2026-10-03 https://prepshorts.com/poster/g06-maths-ch06-m04-t01-1280.b1c029c631.jpg Class 6 Maths Ch 6 in Hindi · Triangle अपने चारों ओर NCERT Class 6 Maths Chapter 6 in Hindi · कक्षा 6, अध्याय 6, हिंदी में. Why a triangle takes exactly half the rectangle around it. https://prepshorts.com/v/g06-maths-ch06-m04-t01/index.m3u8 550 2026-08-28 yes no no https://prepshorts.com/learn/class-6/maths/fractions/a-fraction-as-an-equal-share-and-why-one-ninth-is-less-than2026-10-03 https://prepshorts.com/poster/g06-maths-ch07-m01-t01-1280.7fcccdc78e.jpg What a fraction is: equal shares Class 6 Maths Ganita Prakash, Ch 7. The number underneath a fraction counts the people, not the pieces you own — which reverses five years of instinct. https://prepshorts.com/v/g06-maths-ch07-m01-t01/index.m3u8 587 2026-08-28 yes no no https://prepshorts.com/learn/class-6/maths/fractions/a-fraction-as-an-equal-share-and-why-one-ninth-is-less-than/hi2026-10-03 https://prepshorts.com/poster/g06-maths-ch07-m01-t01-1280.7fcccdc78e.jpg Class 6 Maths Ch 7 in Hindi · भिन्न यानी बराबर हिस्सा NCERT Class 6 Maths Chapter 7 in Hindi · कक्षा 6, अध्याय 7, हिंदी में. 1 बटा 5 और 1 बटा 9 — इनमें बड़ा कौन सा है? https://prepshorts.com/v/g06-maths-ch07-m01-t01/index.m3u8 587 2026-08-28 yes no no https://prepshorts.com/learn/class-6/maths/fractions/a-fraction-as-a-part-of-one-whole2026-10-03 https://prepshorts.com/poster/g06-maths-ch07-m01-t02-1280.912e5bfa6a.jpg A fraction as a part of one whole NCERT Class 6 Maths Ganita Prakash, Chapter 7. A fraction as a part of one whole. Identify the whole in a picture before naming any piece of it. https://prepshorts.com/v/g06-maths-ch07-m01-t02/index.m3u8 604 2026-08-28 yes no no https://prepshorts.com/learn/class-6/maths/fractions/a-fraction-as-a-part-of-one-whole/hi2026-10-03 https://prepshorts.com/poster/g06-maths-ch07-m01-t02-1280.912e5bfa6a.jpg Class 6 Maths Ch 7 in Hindi · भिन्न यानी एक पूरी चीज़ NCERT Class 6 Maths Chapter 7 in Hindi · कक्षा 6, अध्याय 7, हिंदी में. A fraction as a part of one whole. और आज पूरी चीज़ गोल नहीं है।. https://prepshorts.com/v/g06-maths-ch07-m01-t02/index.m3u8 604 2026-08-28 yes no no https://prepshorts.com/learn/class-6/maths/fractions/measuring-a-length-by-choosing-a-smaller-unit2026-10-03 https://prepshorts.com/poster/g06-maths-ch07-m01-t03-1280.00f798980f.jpg Measuring a length by choosing a smaller unit NCERT Class 6 Maths Ganita Prakash, Chapter 7. When a length will not sit whole inside your unit, you do not need a cleverer number — you need a smaller unit. https://prepshorts.com/v/g06-maths-ch07-m01-t03/index.m3u8 545 2026-08-28 yes no no https://prepshorts.com/learn/class-6/maths/fractions/measuring-a-length-by-choosing-a-smaller-unit/hi2026-10-03 https://prepshorts.com/poster/g06-maths-ch07-m01-t03-1280.00f798980f.jpg Class 6 Maths Ch 7 in Hindi · छोटी unit चुनकर किसी लंबाई NCERT Class 6 Maths Chapter 7 in Hindi · कक्षा 6, अध्याय 7, हिंदी में. कागज़ की एक पट्टी को 1 मान लीजिए। एक पेंसिल उससे छोटी है — तो क्या उसे नाप नहीं सकते? https://prepshorts.com/v/g06-maths-ch07-m01-t03/index.m3u8 545 2026-08-28 yes no no https://prepshorts.com/learn/class-6/maths/fractions/every-fraction-has-one-place-on-the-number-line2026-10-03 https://prepshorts.com/poster/g06-maths-ch07-m02-t01-1280.c75bfb1aac.jpg Every fraction has one place on the number line NCERT Class 6 Maths Ganita Prakash, Chapter 7. A fraction is not a pair of numbers stacked up. Read the length of a drawn bar on a number line as a fraction. https://prepshorts.com/v/g06-maths-ch07-m02-t01/index.m3u8 577 2026-08-28 yes no no https://prepshorts.com/learn/class-6/maths/fractions/every-fraction-has-one-place-on-the-number-line/hi2026-10-03 https://prepshorts.com/poster/g06-maths-ch07-m02-t01-1280.c75bfb1aac.jpg Class 6 Maths Ch 7 in Hindi · हर भिन्न की number line NCERT Class 6 Maths Chapter 7 in Hindi · कक्षा 6, अध्याय 7, हिंदी में. Every fraction has one place on the number line. https://prepshorts.com/v/g06-maths-ch07-m02-t01/index.m3u8 577 2026-08-28 yes no no https://prepshorts.com/learn/class-6/maths/fractions/mixed-fractions-naming-what-lies-past-12026-10-03 https://prepshorts.com/poster/g06-maths-ch07-m02-t02-1280.b9e3d2ae9d.jpg Mixed fractions: naming what lies past 1 NCERT Class 6 Maths Ganita Prakash, Chapter 7. Some fractions pass one whole and some do not, and you can tell which without working anything out. https://prepshorts.com/v/g06-maths-ch07-m02-t02/index.m3u8 580 2026-08-28 yes no no https://prepshorts.com/learn/class-6/maths/fractions/mixed-fractions-naming-what-lies-past-1/hi2026-10-03 https://prepshorts.com/poster/g06-maths-ch07-m02-t02-1280.b9e3d2ae9d.jpg Class 6 Maths Ch 7 in Hindi · Mixed fractions NCERT Class 6 Maths Chapter 7 in Hindi · कक्षा 6, अध्याय 7, हिंदी में. Mixed fractions: naming what lies past 1. https://prepshorts.com/v/g06-maths-ch07-m02-t02/index.m3u8 580 2026-08-28 yes no no https://prepshorts.com/learn/class-6/maths/fractions/equivalent-fractions-many-names-one-number-and-lowest-terms2026-10-03 https://prepshorts.com/poster/g06-maths-ch07-m03-t01-1280.4840fa9ee4.jpg Equivalent fractions and lowest terms NCERT Class 6 Maths Ganita Prakash, Chapter 7. One length, three different measuring steps, three different names — and all three are the same number. https://prepshorts.com/v/g06-maths-ch07-m03-t01/index.m3u8 612 2026-08-28 yes no no https://prepshorts.com/learn/class-6/maths/fractions/equivalent-fractions-many-names-one-number-and-lowest-terms/hi2026-10-03 https://prepshorts.com/poster/g06-maths-ch07-m03-t01-1280.4840fa9ee4.jpg Class 6 Maths Ch 7 in Hindi · Equivalent fractions: कई नाम NCERT Class 6 Maths Chapter 7 in Hindi · कक्षा 6, अध्याय 7, हिंदी में. Equivalent fractions: many names, one number, and lowest terms. https://prepshorts.com/v/g06-maths-ch07-m03-t01/index.m3u8 612 2026-08-28 yes no no https://prepshorts.com/learn/class-6/maths/fractions/comparing-two-fractions-by-giving-them-a-common-fractional2026-10-03 https://prepshorts.com/poster/g06-maths-ch07-m03-t02-1280.76c4d8ebe3.jpg Comparing fractions with a common unit NCERT Class 6 Maths Ganita Prakash, Chapter 7. Two counts made in different step sizes cannot be ranked. State the comparison method as an ordered procedure. https://prepshorts.com/v/g06-maths-ch07-m03-t02/index.m3u8 590 2026-08-28 yes no no https://prepshorts.com/learn/class-6/maths/fractions/comparing-two-fractions-by-giving-them-a-common-fractional/hi2026-10-03 https://prepshorts.com/poster/g06-maths-ch07-m03-t02-1280.76c4d8ebe3.jpg Class 6 Maths Ch 7 in Hindi · दो भिन्नों को एक साझा NCERT Class 6 Maths Chapter 7 in Hindi · कक्षा 6, अध्याय 7, हिंदी में. 1 चॉकलेट 2 बच्चों में, या 5 चॉकलेट 8 बच्चों में — किसे ज़्यादा मिलता है? https://prepshorts.com/v/g06-maths-ch07-m03-t02/index.m3u8 590 2026-08-28 yes no no https://prepshorts.com/learn/class-6/maths/fractions/brahmagupta-s-method-you-can-only-add-units-of-the-same-size2026-10-03 https://prepshorts.com/poster/g06-maths-ch07-m04-t01-1280.87589021f8.jpg Adding fractions: Brahmagupta's method NCERT Class 6 Maths Ganita Prakash, Chapter 7. You can only add units of the same size. Add the tops and the bottoms and see exactly what goes wrong. https://prepshorts.com/v/g06-maths-ch07-m04-t01/index.m3u8 542 2026-08-28 yes no no https://prepshorts.com/learn/class-6/maths/fractions/brahmagupta-s-method-you-can-only-add-units-of-the-same-size/hi2026-10-03 https://prepshorts.com/poster/g06-maths-ch07-m04-t01-1280.87589021f8.jpg Class 6 Maths Ch 7 in Hindi · Brahmagupta का तरीक़ा NCERT Class 6 Maths Chapter 7 in Hindi · कक्षा 6, अध्याय 7, हिंदी में. Brahmagupta's method: you can only add units of the same size. https://prepshorts.com/v/g06-maths-ch07-m04-t01/index.m3u8 542 2026-08-28 yes no no https://prepshorts.com/learn/class-6/maths/fractions/where-our-way-of-writing-fractions-comes-from2026-10-03 https://prepshorts.com/poster/g06-maths-ch07-m04-t02-1280.1f7fb242ee.jpg Where our way of writing fractions comes from NCERT Class 6 Maths Ganita Prakash, Chapter 7. The stacked form you write fractions in is already sitting in an Indian manuscript. https://prepshorts.com/v/g06-maths-ch07-m04-t02/index.m3u8 628 2026-08-28 yes no no https://prepshorts.com/learn/class-6/maths/fractions/where-our-way-of-writing-fractions-comes-from/hi2026-10-03 https://prepshorts.com/poster/g06-maths-ch07-m04-t02-1280.1f7fb242ee.jpg Class 6 Maths Ch 7 in Hindi · भिन्न लिखने का हमारा तरीक़ा NCERT Class 6 Maths Chapter 7 in Hindi · कक्षा 6, अध्याय 7, हिंदी में. Where our way of writing fractions comes from. https://prepshorts.com/v/g06-maths-ch07-m04-t02/index.m3u8 628 2026-08-28 yes no no https://prepshorts.com/learn/class-6/maths/playing-with-constructions/every-curve-in-these-figures-is-part-of-a-circle2026-10-03 https://prepshorts.com/poster/g06-maths-ch08-m01-t01-1280.a7cdb1d2d4.jpg Every curve in these figures is part of a circle NCERT Class 6 Maths Ganita Prakash, Chapter 8. Every curve in these figures is part of a circle — and here a straight line counts as one too. https://prepshorts.com/v/g06-maths-ch08-m01-t01/index.m3u8 549 2026-08-28 yes no no https://prepshorts.com/learn/class-6/maths/playing-with-constructions/every-curve-in-these-figures-is-part-of-a-circle/hi2026-10-03 https://prepshorts.com/poster/g06-maths-ch08-m01-t01-1280.a7cdb1d2d4.jpg Class 6 Maths Ch 8 in Hindi · इन figures का हर curve किसी NCERT Class 6 Maths Chapter 8 in Hindi · कक्षा 6, अध्याय 8, हिंदी में. Every curve in these figures is part of a circle. https://prepshorts.com/v/g06-maths-ch08-m01-t01/index.m3u8 549 2026-08-28 yes no no https://prepshorts.com/learn/class-6/maths/playing-with-constructions/working-out-the-order-in-which-a-figure-has-to-be-drawn2026-10-03 https://prepshorts.com/poster/g06-maths-ch08-m01-t02-1280.96e68082ae.jpg Working out the order in which a figure has to be drawn NCERT Class 6 Maths Ganita Prakash, Chapter 8. The hard part of a construction is the order, not the hand. Start with whatever needs nothing. https://prepshorts.com/v/g06-maths-ch08-m01-t02/index.m3u8 539 2026-08-28 yes no no https://prepshorts.com/learn/class-6/maths/playing-with-constructions/working-out-the-order-in-which-a-figure-has-to-be-drawn/hi2026-10-03 https://prepshorts.com/poster/g06-maths-ch08-m01-t02-1280.96e68082ae.jpg Class 6 Maths Ch 8 in Hindi · यह निकालना कि किसी figure NCERT Class 6 Maths Chapter 8 in Hindi · कक्षा 6, अध्याय 8, हिंदी में. Working out the order in which a figure has to be drawn. https://prepshorts.com/v/g06-maths-ch08-m01-t02/index.m3u8 539 2026-08-28 yes no no https://prepshorts.com/learn/class-6/maths/playing-with-constructions/the-two-properties-that-define-a-rectangle-and-the-one-more2026-10-03 https://prepshorts.com/poster/g06-maths-ch08-m02-t01-1280.d33128f84b.jpg What makes a rectangle a rectangle NCERT Class 6 Maths Ganita Prakash, Chapter 8. A figure earns a name by passing a test, not by looking right. Second: all four angles are ninety degrees. https://prepshorts.com/v/g06-maths-ch08-m02-t01/index.m3u8 590 2026-08-28 yes no no https://prepshorts.com/learn/class-6/maths/playing-with-constructions/the-two-properties-that-define-a-rectangle-and-the-one-more/hi2026-10-03 https://prepshorts.com/poster/g06-maths-ch08-m02-t01-1280.d33128f84b.jpg Class 6 Maths Ch 8 in Hindi · rectangle को परिभाषित करने NCERT Class 6 Maths Chapter 8 in Hindi · कक्षा 6, अध्याय 8, हिंदी में. क्या square एक rectangle है? कौन क्या है, बताना आसान है।. https://prepshorts.com/v/g06-maths-ch08-m02-t01/index.m3u8 590 2026-08-28 yes no no https://prepshorts.com/learn/class-6/maths/playing-with-constructions/naming-corners-in-order-and-why-a-rotated-square-is-still-a2026-10-03 https://prepshorts.com/poster/g06-maths-ch08-m02-t02-1280.9ca7a657fc.jpg Naming the corners of a square in order NCERT Class 6 Maths Ganita Prakash, Chapter 8. ABCD is a walk round the boundary, not four labels — which is why a rotated square is still a square. https://prepshorts.com/v/g06-maths-ch08-m02-t02/index.m3u8 521 2026-08-28 yes no no https://prepshorts.com/learn/class-6/maths/playing-with-constructions/naming-corners-in-order-and-why-a-rotated-square-is-still-a/hi2026-10-03 https://prepshorts.com/poster/g06-maths-ch08-m02-t02-1280.9ca7a657fc.jpg Class 6 Maths Ch 8 in Hindi · कोनों के नाम क्रम से लिखना NCERT Class 6 Maths Chapter 8 in Hindi · कक्षा 6, अध्याय 8, हिंदी में. rectangle A B C D — क्या इसे A B D C भी कह सकते हैं? https://prepshorts.com/v/g06-maths-ch08-m02-t02/index.m3u8 521 2026-08-28 yes no no https://prepshorts.com/learn/class-6/maths/playing-with-constructions/constructing-a-square-or-rectangle-from-its-side-lengths2026-10-03 https://prepshorts.com/poster/g06-maths-ch08-m03-t01-1280.244f6ece1a.jpg Constructing a square or rectangle from its side lengths NCERT Class 6 Maths Ganita Prakash, Chapter 8. A square built from its side length, with a reason given for every step before it is drawn. https://prepshorts.com/v/g06-maths-ch08-m03-t01/index.m3u8 542 2026-08-28 yes no no https://prepshorts.com/learn/class-6/maths/playing-with-constructions/constructing-a-square-or-rectangle-from-its-side-lengths/hi2026-10-03 https://prepshorts.com/poster/g06-maths-ch08-m03-t01-1280.244f6ece1a.jpg Class 6 Maths Ch 8 in Hindi · भुजाओं की लंबाई से square NCERT Class 6 Maths Chapter 8 in Hindi · कक्षा 6, अध्याय 8, हिंदी में. Constructing a square or rectangle from its side lengths. https://prepshorts.com/v/g06-maths-ch08-m03-t01/index.m3u8 542 2026-08-28 yes no no https://prepshorts.com/learn/class-6/maths/playing-with-constructions/the-shortest-and-longest-crossing-inside-a-rectangle2026-10-03 https://prepshorts.com/poster/g06-maths-ch08-m03-t02-1280.eb0d44375a.jpg The shortest and longest crossing inside a rectangle NCERT Class 6 Maths Ganita Prakash, Chapter 8. The first quantity in this chapter that is not a number but a range. https://prepshorts.com/v/g06-maths-ch08-m03-t02/index.m3u8 542 2026-08-28 yes no no https://prepshorts.com/learn/class-6/maths/playing-with-constructions/the-shortest-and-longest-crossing-inside-a-rectangle/hi2026-10-03 https://prepshorts.com/poster/g06-maths-ch08-m03-t02-1280.eb0d44375a.jpg Class 6 Maths Ch 8 in Hindi · rectangle के अंदर सबसे छोटा NCERT Class 6 Maths Chapter 8 in Hindi · कक्षा 6, अध्याय 8, हिंदी में. The shortest and longest crossing inside a rectangle. https://prepshorts.com/v/g06-maths-ch08-m03-t02/index.m3u8 542 2026-08-28 yes no no https://prepshorts.com/learn/class-6/maths/playing-with-constructions/which-rectangles-break-into-identical-squares-and-which-do2026-10-03 https://prepshorts.com/poster/g06-maths-ch08-m03-t03-1280.a32f22dee3.jpg Which rectangles split into equal squares NCERT Class 6 Maths Ganita Prakash, Chapter 8. A construction problem with no measurements in it at all, and that is exactly the point. https://prepshorts.com/v/g06-maths-ch08-m03-t03/index.m3u8 540 2026-08-28 yes no no https://prepshorts.com/learn/class-6/maths/playing-with-constructions/which-rectangles-break-into-identical-squares-and-which-do/hi2026-10-03 https://prepshorts.com/poster/g06-maths-ch08-m03-t03-1280.a32f22dee3.jpg Class 6 Maths Ch 8 in Hindi · कौन-से rectangles एक जैसे NCERT Class 6 Maths Chapter 8 in Hindi · कक्षा 6, अध्याय 8, हिंदी में. Which rectangles break into identical squares, and which do not. https://prepshorts.com/v/g06-maths-ch08-m03-t03/index.m3u8 540 2026-08-28 yes no no https://prepshorts.com/learn/class-6/maths/playing-with-constructions/why-a-rectangle-s-diagonals-are-equal-and-when-they-split2026-10-03 https://prepshorts.com/poster/g06-maths-ch08-m04-t01-1280.94076cdf4e.jpg The diagonals of a rectangle and a square NCERT Class 6 Maths Ganita Prakash, Chapter 8. A rectangle's diagonals cut its corners into eight angles. Join P to R. Then join Q to S. https://prepshorts.com/v/g06-maths-ch08-m04-t01/index.m3u8 544 2026-08-28 yes no no https://prepshorts.com/learn/class-6/maths/playing-with-constructions/why-a-rectangle-s-diagonals-are-equal-and-when-they-split/hi2026-10-03 https://prepshorts.com/poster/g06-maths-ch08-m04-t01-1280.94076cdf4e.jpg Class 6 Maths Ch 8 in Hindi · rectangle के diagonals बराबर NCERT Class 6 Maths Chapter 8 in Hindi · कक्षा 6, अध्याय 8, हिंदी में. Why a rectangle's diagonals are equal, and when they split the corners evenly. https://prepshorts.com/v/g06-maths-ch08-m04-t01/index.m3u8 544 2026-08-28 yes no no https://prepshorts.com/learn/class-6/maths/playing-with-constructions/constructing-a-rectangle-from-one-side-and-a-diagonal2026-10-03 https://prepshorts.com/poster/g06-maths-ch08-m04-t02-1280.bce8d856cf.jpg Constructing a rectangle from one side and a diagonal NCERT Class 6 Maths Ganita Prakash, Chapter 8. Constructing a rectangle when nobody gives you two sides — only one side and a diagonal. https://prepshorts.com/v/g06-maths-ch08-m04-t02/index.m3u8 598 2026-08-28 yes no no https://prepshorts.com/learn/class-6/maths/playing-with-constructions/constructing-a-rectangle-from-one-side-and-a-diagonal/hi2026-10-03 https://prepshorts.com/poster/g06-maths-ch08-m04-t02-1280.bce8d856cf.jpg Class 6 Maths Ch 8 in Hindi · एक भुजा और एक diagonal NCERT Class 6 Maths Chapter 8 in Hindi · कक्षा 6, अध्याय 8, हिंदी में. Constructing a rectangle from one side and a diagonal. https://prepshorts.com/v/g06-maths-ch08-m04-t02/index.m3u8 598 2026-08-28 yes no no https://prepshorts.com/learn/class-6/maths/playing-with-constructions/the-points-that-are-the-same-distance-from-two-given-points2026-10-03 https://prepshorts.com/poster/g06-maths-ch08-m04-t03-1280.c0898df5d2.jpg The points that are the same distance from two given points NCERT Class 6 Maths Ganita Prakash, Chapter 8. Find a point a known distance from each of two known points. The fifth cannot, and that is the whole point. https://prepshorts.com/v/g06-maths-ch08-m04-t03/index.m3u8 576 2026-08-28 yes no no https://prepshorts.com/learn/class-6/maths/playing-with-constructions/the-points-that-are-the-same-distance-from-two-given-points/hi2026-10-03 https://prepshorts.com/poster/g06-maths-ch08-m04-t03-1280.c0898df5d2.jpg Class 6 Maths Ch 8 in Hindi · वे points जो दो दिए गए points NCERT Class 6 Maths Chapter 8 in Hindi · कक्षा 6, अध्याय 8, हिंदी में. The points that are the same distance from two given points. https://prepshorts.com/v/g06-maths-ch08-m04-t03/index.m3u8 576 2026-08-28 yes no no https://prepshorts.com/learn/class-6/maths/symmetry/a-line-of-symmetry-is-a-fold-that-makes-the-halves-coincide2026-10-03 https://prepshorts.com/poster/g06-maths-ch09-m01-t01-1280.252298941f.jpg A line of symmetry is a fold that makes the halves coincide NCERT Class 6 Maths Ganita Prakash, Chapter 9. A line of symmetry is not a line that looks central. Identify figures that have no line of symmetry at all. https://prepshorts.com/v/g06-maths-ch09-m01-t01/index.m3u8 541 2026-08-28 yes no no https://prepshorts.com/learn/class-6/maths/symmetry/a-line-of-symmetry-is-a-fold-that-makes-the-halves-coincide/hi2026-10-03 https://prepshorts.com/poster/g06-maths-ch09-m01-t01-1280.252298941f.jpg Class 6 Maths Ch 9 in Hindi · line of symmetry वह fold NCERT Class 6 Maths Chapter 9 in Hindi · कक्षा 6, अध्याय 9, हिंदी में. A line of symmetry is a fold that makes the halves coincide. https://prepshorts.com/v/g06-maths-ch09-m01-t01/index.m3u8 541 2026-08-28 yes no no https://prepshorts.com/learn/class-6/maths/symmetry/why-a-figure-can-have-several-lines-of-symmetry2026-10-03 https://prepshorts.com/poster/g06-maths-ch09-m01-t02-1280.0f921fcb71.jpg How many lines of symmetry can a shape have? NCERT Class 6 Maths Ganita Prakash, Chapter 9. Symmetry is a count, not a yes or no. Fold a square four different ways and every one of them works. https://prepshorts.com/v/g06-maths-ch09-m01-t02/index.m3u8 548 2026-08-28 yes no no https://prepshorts.com/learn/class-6/maths/symmetry/why-a-figure-can-have-several-lines-of-symmetry/hi2026-10-03 https://prepshorts.com/poster/g06-maths-ch09-m01-t02-1280.0f921fcb71.jpg Class 6 Maths Ch 9 in Hindi · एक figure की कई lines NCERT Class 6 Maths Chapter 9 in Hindi · कक्षा 6, अध्याय 9, हिंदी में. Why a figure can have several lines of symmetry. https://prepshorts.com/v/g06-maths-ch09-m01-t02/index.m3u8 548 2026-08-28 yes no no https://prepshorts.com/learn/class-6/maths/symmetry/symmetry-as-reflection-the-fold-line-acts-as-a-mirror2026-10-03 https://prepshorts.com/poster/g06-maths-ch09-m01-t03-1280.348ddf3291.jpg Symmetry as reflection: the fold line acts as a mirror NCERT Class 6 Maths Ganita Prakash, Chapter 9. Folding paper is where it starts. Reflecting points is what lets you talk about figures too big to fold. https://prepshorts.com/v/g06-maths-ch09-m01-t03/index.m3u8 556 2026-08-28 yes no no https://prepshorts.com/learn/class-6/maths/symmetry/symmetry-as-reflection-the-fold-line-acts-as-a-mirror/hi2026-10-03 https://prepshorts.com/poster/g06-maths-ch09-m01-t03-1280.348ddf3291.jpg Class 6 Maths Ch 9 in Hindi · Symmetry एक reflection की तरह NCERT Class 6 Maths Chapter 9 in Hindi · कक्षा 6, अध्याय 9, हिंदी में. Symmetry as reflection: the fold line acts as a mirror. https://prepshorts.com/v/g06-maths-ch09-m01-t03/index.m3u8 556 2026-08-28 yes no no https://prepshorts.com/learn/class-6/maths/symmetry/fold-blot-cut-punch-making-a-figure-that-is-symmetric-by2026-10-03 https://prepshorts.com/poster/g06-maths-ch09-m01-t04-1280.969e6e4c6e.jpg Making symmetric figures by folding and cutting NCERT Class 6 Maths Ganita Prakash, Chapter 9. The chapter changes direction here. Plan the folds and the one straight cut that will produce a stated hole. https://prepshorts.com/v/g06-maths-ch09-m01-t04/index.m3u8 584 2026-08-28 yes no no https://prepshorts.com/learn/class-6/maths/symmetry/fold-blot-cut-punch-making-a-figure-that-is-symmetric-by/hi2026-10-03 https://prepshorts.com/poster/g06-maths-ch09-m01-t04-1280.969e6e4c6e.jpg Class 6 Maths Ch 9 in Hindi · मोड़ो, धब्बा लगाओ, काटो NCERT Class 6 Maths Chapter 9 in Hindi · कक्षा 6, अध्याय 9, हिंदी में. अब तक symmetry ढूँढनी पड़ती थी: आकृति दी गई, line है या नहीं? https://prepshorts.com/v/g06-maths-ch09-m01-t04/index.m3u8 584 2026-08-28 yes no no https://prepshorts.com/learn/class-6/maths/symmetry/an-angle-of-symmetry-turning-a-figure-onto-itself2026-10-03 https://prepshorts.com/poster/g06-maths-ch09-m02-t01-1280.3da736976b.jpg An angle of symmetry: turning a figure onto itself NCERT Class 6 Maths Ganita Prakash, Chapter 9. A paper windmill has no line of symmetry anywhere. Identify the centre of rotation of a given figure. https://prepshorts.com/v/g06-maths-ch09-m02-t01/index.m3u8 562 2026-08-28 yes no no https://prepshorts.com/learn/class-6/maths/symmetry/an-angle-of-symmetry-turning-a-figure-onto-itself/hi2026-10-03 https://prepshorts.com/poster/g06-maths-ch09-m02-t01-1280.3da736976b.jpg Class 6 Maths Ch 9 in Hindi · Angle of symmetry NCERT Class 6 Maths Chapter 9 in Hindi · कक्षा 6, अध्याय 9, हिंदी में. An angle of symmetry: turning a figure onto itself. https://prepshorts.com/v/g06-maths-ch09-m02-t01/index.m3u8 562 2026-08-28 yes no no https://prepshorts.com/learn/class-6/maths/symmetry/counting-the-angles-of-symmetry-of-polygons-and-radial-arm2026-10-03 https://prepshorts.com/poster/g06-maths-ch09-m02-t02-1280.76db675820.jpg Angles of rotational symmetry in polygons NCERT Class 6 Maths Ganita Prakash, Chapter 9. How many angles of symmetry does a figure get? Not the number of arms — that answer gets knocked down twice. https://prepshorts.com/v/g06-maths-ch09-m02-t02/index.m3u8 623 2026-08-28 yes no no https://prepshorts.com/learn/class-6/maths/symmetry/counting-the-angles-of-symmetry-of-polygons-and-radial-arm/hi2026-10-03 https://prepshorts.com/poster/g06-maths-ch09-m02-t02-1280.76db675820.jpg Class 6 Maths Ch 9 in Hindi · polygons और radial arms वाली NCERT Class 6 Maths Chapter 9 in Hindi · कक्षा 6, अध्याय 9, हिंदी में. Counting the angles of symmetry of polygons and radial-arm figures. https://prepshorts.com/v/g06-maths-ch09-m02-t02/index.m3u8 623 2026-08-28 yes no no https://prepshorts.com/learn/class-6/maths/symmetry/line-symmetry-and-rotational-symmetry-are-independent-of2026-10-03 https://prepshorts.com/poster/g06-maths-ch09-m02-t03-1280.f12937fc73.jpg Line symmetry and rotational symmetry NCERT Class 6 Maths Ganita Prakash, Chapter 9. Folding and turning are separate tests. A figure can pass either, both, or neither, and all four really happen. https://prepshorts.com/v/g06-maths-ch09-m02-t03/index.m3u8 586 2026-08-28 yes no no https://prepshorts.com/learn/class-6/maths/symmetry/line-symmetry-and-rotational-symmetry-are-independent-of/hi2026-10-03 https://prepshorts.com/poster/g06-maths-ch09-m02-t03-1280.f12937fc73.jpg Class 6 Maths Ch 9 in Hindi · Line symmetry और rotational NCERT Class 6 Maths Chapter 9 in Hindi · कक्षा 6, अध्याय 9, हिंदी में. Line symmetry and rotational symmetry are independent of each other. https://prepshorts.com/v/g06-maths-ch09-m02-t03/index.m3u8 586 2026-08-28 yes no no https://prepshorts.com/learn/class-6/maths/the-other-side-of-zero/numbering-the-floors-below-the-ground-why-zero-needs-another2026-10-03 https://prepshorts.com/poster/g06-maths-ch10-m01-t01-1280.a39be77540.jpg Why numbers go below zero NCERT Class 6 Maths Ganita Prakash, Chapter 10. Numbering the floors below the ground is a naming problem before it is a rule. https://prepshorts.com/v/g06-maths-ch10-m01-t01/index.m3u8 547 2026-08-28 yes no no https://prepshorts.com/learn/class-6/maths/the-other-side-of-zero/numbering-the-floors-below-the-ground-why-zero-needs-another/hi2026-10-03 https://prepshorts.com/poster/g06-maths-ch10-m01-t01-1280.a39be77540.jpg Class 6 Maths Ch 10 in Hindi · ज़मीन के नीचे की मंज़िलों NCERT Class 6 Maths Chapter 10 in Hindi · कक्षा 6, अध्याय 10, हिंदी में. Numbering the floors below the ground: why zero needs another side. https://prepshorts.com/v/g06-maths-ch10-m01-t01/index.m3u8 547 2026-08-28 yes no no https://prepshorts.com/learn/class-6/maths/the-other-side-of-zero/addition-as-movement-starting-position-plus-movement-gives2026-10-03 https://prepshorts.com/poster/g06-maths-ch10-m01-t02-1280.11e6189acd.jpg Adding integers as movement on a line NCERT Class 6 Maths Ganita Prakash, Chapter 10. Adding a negative number needs no rule about signs — only a change in what addition means. https://prepshorts.com/v/g06-maths-ch10-m01-t02/index.m3u8 596 2026-08-28 yes no no https://prepshorts.com/learn/class-6/maths/the-other-side-of-zero/addition-as-movement-starting-position-plus-movement-gives/hi2026-10-03 https://prepshorts.com/poster/g06-maths-ch10-m01-t02-1280.11e6189acd.jpg Class 6 Maths Ch 10 in Hindi · जोड़ एक चाल की तरह NCERT Class 6 Maths Chapter 10 in Hindi · कक्षा 6, अध्याय 10, हिंदी में. आप floor plus 1 पर हैं और plus 2 दबाते हैं — lift कहाँ रुकेगी? https://prepshorts.com/v/g06-maths-ch10-m01-t02/index.m3u8 596 2026-08-28 yes no no https://prepshorts.com/learn/class-6/maths/the-other-side-of-zero/subtraction-as-the-movement-that-gets-you-from-start-to2026-10-03 https://prepshorts.com/poster/g06-maths-ch10-m01-t03-1280.9930d06bd4.jpg Subtracting integers as movement NCERT Class 6 Maths Ganita Prakash, Chapter 10. Subtraction has two meanings, and with negatives you have to choose between them every single step. https://prepshorts.com/v/g06-maths-ch10-m01-t03/index.m3u8 556 2026-08-28 yes no no https://prepshorts.com/learn/class-6/maths/the-other-side-of-zero/subtraction-as-the-movement-that-gets-you-from-start-to/hi2026-10-03 https://prepshorts.com/poster/g06-maths-ch10-m01-t03-1280.9930d06bd4.jpg Class 6 Maths Ch 10 in Hindi · घटाना वह चाल है जो आपको NCERT Class 6 Maths Chapter 10 in Hindi · कक्षा 6, अध्याय 10, हिंदी में. Subtraction as the movement that gets you from start to target. https://prepshorts.com/v/g06-maths-ch10-m01-t03/index.m3u8 556 2026-08-28 yes no no https://prepshorts.com/learn/class-6/maths/the-other-side-of-zero/laying-the-integers-out-in-order-and-why-8-is-less-than-22026-10-03 https://prepshorts.com/poster/g06-maths-ch10-m02-t01-1280.63af399e5b.jpg Why is −8 less than −2? Integers on a number line NCERT Class 6 Maths Ganita Prakash, Chapter 10. Why is −8 less than −2, when 8 is bigger than 2? Compare two floor numbers by saying which floor is lower. https://prepshorts.com/v/g06-maths-ch10-m02-t01/index.m3u8 542 2026-08-28 yes no no https://prepshorts.com/learn/class-6/maths/the-other-side-of-zero/laying-the-integers-out-in-order-and-why-8-is-less-than-2/hi2026-10-03 https://prepshorts.com/poster/g06-maths-ch10-m02-t01-1280.63af399e5b.jpg Class 6 Maths Ch 10 in Hindi · Integers को क्रम से बिछाना NCERT Class 6 Maths Chapter 10 in Hindi · कक्षा 6, अध्याय 10, हिंदी में. minus 8 बड़ा है या minus 2? इनमें से सबसे नीचे कौन है? https://prepshorts.com/v/g06-maths-ch10-m02-t01/index.m3u8 542 2026-08-28 yes no no https://prepshorts.com/learn/class-6/maths/the-other-side-of-zero/the-additive-inverse-and-how-it-turns-every-subtraction-into2026-10-03 https://prepshorts.com/poster/g06-maths-ch10-m02-t02-1280.6382326c75.jpg The additive inverse of an integer NCERT Class 6 Maths Ganita Prakash, Chapter 10. The additive inverse is the end of subtraction, not a rule about signs. https://prepshorts.com/v/g06-maths-ch10-m02-t02/index.m3u8 534 2026-08-28 yes no no https://prepshorts.com/learn/class-6/maths/the-other-side-of-zero/the-additive-inverse-and-how-it-turns-every-subtraction-into/hi2026-10-03 https://prepshorts.com/poster/g06-maths-ch10-m02-t02-1280.6382326c75.jpg Class 6 Maths Ch 10 in Hindi · योज्य प्रतिलोम NCERT Class 6 Maths Ch 10 in Hindi · कक्षा 6, अध्याय 10 हिंदी. दरवाज़े पर खड़े-खड़े ग़लती से plus 3 दब गया। अब कौन सा बटन दबाएँ कि lift फिर से 0 पर आ जाए? https://prepshorts.com/v/g06-maths-ch10-m02-t02/index.m3u8 534 2026-08-28 yes no no https://prepshorts.com/learn/class-6/maths/the-other-side-of-zero/zero-pairs-why-a-positive-and-a-negative-token-cancel2026-10-03 https://prepshorts.com/poster/g06-maths-ch10-m03-t01-1280.d2d2288019.jpg Zero pairs: why +1 and −1 cancel out Class 6 Maths Ganita Prakash, Ch 10. One green token and one red token cancel — and that single fact is why addition cannot depend on the order you do it in. https://prepshorts.com/v/g06-maths-ch10-m03-t01/index.m3u8 542 2026-08-28 yes no no https://prepshorts.com/learn/class-6/maths/the-other-side-of-zero/zero-pairs-why-a-positive-and-a-negative-token-cancel/hi2026-10-03 https://prepshorts.com/poster/g06-maths-ch10-m03-t01-1280.d2d2288019.jpg Class 6 Maths Ch 10 in Hindi · Zero pairs NCERT Class 6 Maths Chapter 10 in Hindi · कक्षा 6, अध्याय 10, हिंदी में. Zero pairs: why a positive and a negative token cancel. https://prepshorts.com/v/g06-maths-ch10-m03-t01/index.m3u8 542 2026-08-28 yes no no https://prepshorts.com/learn/class-6/maths/the-other-side-of-zero/subtracting-with-tokens-by-first-putting-zero-pairs-in2026-10-03 https://prepshorts.com/poster/g06-maths-ch10-m03-t02-1280.48ec004adb.jpg Subtracting with tokens by first putting zero pairs in NCERT Class 6 Maths Ganita Prakash, Chapter 10. Take away four red tokens when there are none there. Put zero pairs in first and suddenly there are. https://prepshorts.com/v/g06-maths-ch10-m03-t02/index.m3u8 561 2026-08-28 yes no no https://prepshorts.com/learn/class-6/maths/the-other-side-of-zero/subtracting-with-tokens-by-first-putting-zero-pairs-in/hi2026-10-03 https://prepshorts.com/poster/g06-maths-ch10-m03-t02-1280.48ec004adb.jpg Class 6 Maths Ch 10 in Hindi · Tokens से घटाना NCERT Class 6 Maths Chapter 10 in Hindi · कक्षा 6, अध्याय 10, हिंदी में. मेज़ पर 5 हरे token हैं, और सवाल कहता है 6 हरे निकालिए। छठा कहाँ से आएगा? https://prepshorts.com/v/g06-maths-ch10-m03-t02/index.m3u8 561 2026-08-28 yes no no https://prepshorts.com/learn/class-6/maths/the-other-side-of-zero/credits-debits-and-what-a-negative-balance-actually-means2026-10-03 https://prepshorts.com/poster/g06-maths-ch10-m04-t01-1280.f38c10a68b.jpg Credits, debits, and what a negative balance actually means NCERT Class 6 Maths Ganita Prakash, Chapter 10. A negative balance is not a smaller number. It is a direction — and the bank means something specific by it. https://prepshorts.com/v/g06-maths-ch10-m04-t01/index.m3u8 542 2026-08-28 yes no no https://prepshorts.com/learn/class-6/maths/the-other-side-of-zero/credits-debits-and-what-a-negative-balance-actually-means/hi2026-10-03 https://prepshorts.com/poster/g06-maths-ch10-m04-t01-1280.f38c10a68b.jpg Class 6 Maths Ch 10 in Hindi · जमा, नामे NCERT Class 6 Maths Chapter 10 in Hindi · कक्षा 6, अध्याय 10, हिंदी में. Credits, debits, and what a negative balance actually means. https://prepshorts.com/v/g06-maths-ch10-m04-t01/index.m3u8 542 2026-08-28 yes no no https://prepshorts.com/learn/class-6/maths/the-other-side-of-zero/sea-level-and-freezing-point-zero-as-a-chosen-reference-not2026-10-03 https://prepshorts.com/poster/g06-maths-ch10-m04-t02-1280.53b56d7b08.jpg Zero as a chosen reference point NCERT Class 6 Maths Ganita Prakash, Chapter 10. Sea level is not where the sea is. Zero is a chosen reference here, not an absence of anything. https://prepshorts.com/v/g06-maths-ch10-m04-t02/index.m3u8 574 2026-08-28 yes no no https://prepshorts.com/learn/class-6/maths/the-other-side-of-zero/sea-level-and-freezing-point-zero-as-a-chosen-reference-not/hi2026-10-03 https://prepshorts.com/poster/g06-maths-ch10-m04-t02-1280.53b56d7b08.jpg Class 6 Maths Ch 10 in Hindi · समुद्र तल और हिमांक NCERT Class 6 Maths Chapter 10 in Hindi · कक्षा 6, अध्याय 10, हिंदी में. पहाड़ी 1400 मीटर ऊँची है। पर 1400 मीटर किससे ऊपर? https://prepshorts.com/v/g06-maths-ch10-m04-t02/index.m3u8 574 2026-08-28 yes no no https://prepshorts.com/learn/class-6/maths/the-other-side-of-zero/integer-grids-and-why-the-total-comes-out-the-same-every2026-10-03 https://prepshorts.com/poster/g06-maths-ch10-m04-t03-1280.3885fcc891.jpg Integer grids and their constant totals NCERT Class 6 Maths Ganita Prakash, Chapter 10. The total in an integer grid is decided before you play. Circle whatever you like and it comes out the same. https://prepshorts.com/v/g06-maths-ch10-m04-t03/index.m3u8 588 2026-08-28 yes no no https://prepshorts.com/learn/class-6/maths/the-other-side-of-zero/integer-grids-and-why-the-total-comes-out-the-same-every/hi2026-10-03 https://prepshorts.com/poster/g06-maths-ch10-m04-t03-1280.3885fcc891.jpg Class 6 Maths Ch 10 in Hindi · Integer grids NCERT Class 6 Maths Chapter 10 in Hindi · कक्षा 6, अध्याय 10, हिंदी में. Integer grids, and why the total comes out the same every time. https://prepshorts.com/v/g06-maths-ch10-m04-t03/index.m3u8 588 2026-08-28 yes no no https://prepshorts.com/learn/class-6/maths/the-other-side-of-zero/brahmagupta-s-rules-and-how-long-it-took-the-world-to-accept2026-10-03 https://prepshorts.com/poster/g06-maths-ch10-m04-t04-1280.6ebdc6a57c.jpg Brahmagupta's rules for negative numbers NCERT Class 6 Maths Ganita Prakash, Chapter 10. Brahmagupta wrote the rules for negative numbers down. Apply each of the five subtraction rules likewise. https://prepshorts.com/v/g06-maths-ch10-m04-t04/index.m3u8 533 2026-08-28 yes no no https://prepshorts.com/learn/class-6/maths/the-other-side-of-zero/brahmagupta-s-rules-and-how-long-it-took-the-world-to-accept/hi2026-10-03 https://prepshorts.com/poster/g06-maths-ch10-m04-t04-1280.6ebdc6a57c.jpg Class 6 Maths Ch 10 in Hindi · Brahmagupta के नियम NCERT Class 6 Maths Chapter 10 in Hindi · कक्षा 6, अध्याय 10, हिंदी में. Brahmagupta's rules, and how long it took the world to accept them. https://prepshorts.com/v/g06-maths-ch10-m04-t04/index.m3u8 533 2026-08-28 yes no no https://prepshorts.com/learn/class-7/maths/large-numbers-around-us/what-it-actually-takes-to-make-one-lakh2026-10-03 https://prepshorts.com/poster/g07-maths-ch01-m01-t01-1280.98b07bc064.jpg How big is one lakh? Class 7 large numbers NCERT Class 7 Maths Ganita Prakash, Chapter 1. Taste one variety of rice a day for a hundred years and you manage 36,500 — nowhere near a lakh. https://prepshorts.com/v/g07-maths-ch01-m01-t01/index.m3u8 573 2026-08-28 yes no no https://prepshorts.com/learn/class-7/maths/large-numbers-around-us/what-it-actually-takes-to-make-one-lakh/hi2026-10-03 https://prepshorts.com/poster/g07-maths-ch01-m01-t01-1280.98b07bc064.jpg Class 7 Maths Ch 1 in Hindi · एक लाख बनाने में असल में क्या NCERT Class 7 Maths Chapter 1 in Hindi · कक्षा 7, अध्याय 1, हिंदी में. What it actually takes to make one lakh. https://prepshorts.com/v/g07-maths-ch01-m01-t01/index.m3u8 573 2026-08-28 yes no no https://prepshorts.com/learn/class-7/maths/large-numbers-around-us/the-land-of-tens-each-place-is-ten-of-the-one-before2026-10-03 https://prepshorts.com/poster/g07-maths-ch01-m01-t02-1280.42e26b0080.jpg The Land of Tens: each place is ten of the one before NCERT Class 7 Maths Ganita Prakash, Chapter 1. Our way of writing numbers is the cheapest possible recipe for building one. https://prepshorts.com/v/g07-maths-ch01-m01-t02/index.m3u8 558 2026-08-28 yes no no https://prepshorts.com/learn/class-7/maths/large-numbers-around-us/the-land-of-tens-each-place-is-ten-of-the-one-before/hi2026-10-03 https://prepshorts.com/poster/g07-maths-ch01-m01-t02-1280.42e26b0080.jpg Class 7 Maths Ch 1 in Hindi · दहाइयों का देश NCERT Class 7 Maths Chapter 1 in Hindi · कक्षा 7, अध्याय 1, हिंदी में. The Land of Tens: each place is ten of the one before. https://prepshorts.com/v/g07-maths-ch01-m01-t02/index.m3u8 558 2026-08-28 yes no no https://prepshorts.com/learn/class-7/maths/large-numbers-around-us/crores-and-millions-one-number-two-naming-systems2026-10-03 https://prepshorts.com/poster/g07-maths-ch01-m01-t03-1280.90638ea4b6.jpg Crores and millions: one number, two naming systems NCERT Class 7 Maths Ganita Prakash, Chapter 1. A lakh is not a million and a crore is not a billion. Ten lakh is a one with six zeros after it. https://prepshorts.com/v/g07-maths-ch01-m01-t03/index.m3u8 537 2026-08-28 yes no no https://prepshorts.com/learn/class-7/maths/large-numbers-around-us/crores-and-millions-one-number-two-naming-systems/hi2026-10-03 https://prepshorts.com/poster/g07-maths-ch01-m01-t03-1280.90638ea4b6.jpg Class 7 Maths Ch 1 in Hindi · करोड़ और million: एक संख्या NCERT Class 7 Maths Chapter 1 in Hindi · कक्षा 7, अध्याय 1, हिंदी में. Crores and millions: one number, two naming systems. https://prepshorts.com/v/g07-maths-ch01-m01-t03/index.m3u8 537 2026-08-28 yes no no https://prepshorts.com/learn/class-7/maths/large-numbers-around-us/when-an-approximate-answer-is-the-better-answer2026-10-03 https://prepshorts.com/poster/g07-maths-ch01-m02-t01-1280.e8d6977762.jpg When is an approximate answer the better one? NCERT Class 7 Maths Ganita Prakash, Chapter 1. Rounding is a judgement about consequences, not a rule about digits. https://prepshorts.com/v/g07-maths-ch01-m02-t01/index.m3u8 554 2026-08-28 yes no no https://prepshorts.com/learn/class-7/maths/large-numbers-around-us/when-an-approximate-answer-is-the-better-answer/hi2026-10-03 https://prepshorts.com/poster/g07-maths-ch01-m02-t01-1280.e8d6977762.jpg Class 7 Maths Ch 1 in Hindi · जब अंदाज़े वाला जवाब ही बेहतर NCERT Class 7 Maths Chapter 1 in Hindi · कक्षा 7, अध्याय 1, हिंदी में. When an approximate answer is the better answer. https://prepshorts.com/v/g07-maths-ch01-m02-t01/index.m3u8 554 2026-08-28 yes no no https://prepshorts.com/learn/class-7/maths/large-numbers-around-us/rounding-to-a-nearest-neighbour-and-choosing-which-one2026-10-03 https://prepshorts.com/poster/g07-maths-ch01-m02-t02-1280.a7b8068a2b.jpg Rounding to a nearest neighbour, and choosing which one NCERT Class 7 Maths Ganita Prakash, Chapter 1. A number does not have a nearest round number. Now I ask you for the nearest round number. https://prepshorts.com/v/g07-maths-ch01-m02-t02/index.m3u8 602 2026-08-28 yes no no https://prepshorts.com/learn/class-7/maths/large-numbers-around-us/rounding-to-a-nearest-neighbour-and-choosing-which-one/hi2026-10-03 https://prepshorts.com/poster/g07-maths-ch01-m02-t02-1280.a7b8068a2b.jpg Class 7 Maths Ch 1 in Hindi · निकटतम पड़ोसी तक पूर्णांकन NCERT Class 7 Maths Chapter 1 in Hindi · कक्षा 7, अध्याय 1, हिंदी में. 6,72,85,183 का nearest round number क्या है? https://prepshorts.com/v/g07-maths-ch01-m02-t02/index.m3u8 602 2026-08-28 yes no no https://prepshorts.com/learn/class-7/maths/large-numbers-around-us/factorise-and-regroup-instead-of-multiplying-head-on2026-10-03 https://prepshorts.com/poster/g07-maths-ch01-m03-t01-1280.5d07067292.jpg Factorise and regroup instead of multiplying head-on NCERT Class 7 Maths Ganita Prakash, Chapter 1. The multiplying-by-five shortcut is not about five. The multiplying-by-five shortcut is not about five. https://prepshorts.com/v/g07-maths-ch01-m03-t01/index.m3u8 593 2026-08-28 yes no no https://prepshorts.com/learn/class-7/maths/large-numbers-around-us/factorise-and-regroup-instead-of-multiplying-head-on/hi2026-10-03 https://prepshorts.com/poster/g07-maths-ch01-m03-t01-1280.5d07067292.jpg Class 7 Maths Ch 1 in Hindi · सीधे गुणा करने के बजाय गुणनखंड NCERT Class 7 Maths Chapter 1 in Hindi · कक्षा 7, अध्याय 1, हिंदी में. 116 × 5 को मन में, एक line में कैसे करें? https://prepshorts.com/v/g07-maths-ch01-m03-t01/index.m3u8 593 2026-08-28 yes no no https://prepshorts.com/learn/class-7/maths/large-numbers-around-us/predicting-how-many-digits-a-product-will-have-before2026-10-03 https://prepshorts.com/poster/g07-maths-ch01-m03-t02-1280.ae51ddadab.jpg How many digits a product will have NCERT Class 7 Maths Ganita Prakash, Chapter 1. You can say how many digits a product will have before you multiply. https://prepshorts.com/v/g07-maths-ch01-m03-t02/index.m3u8 578 2026-08-28 yes no no https://prepshorts.com/learn/class-7/maths/large-numbers-around-us/predicting-how-many-digits-a-product-will-have-before/hi2026-10-03 https://prepshorts.com/poster/g07-maths-ch01-m03-t02-1280.ae51ddadab.jpg Class 7 Maths Ch 1 in Hindi · गुणा करने से पहले ही बताना NCERT Class 7 Maths Chapter 1 in Hindi · कक्षा 7, अध्याय 1, हिंदी में. Predicting how many digits a product will have, before multiplying. https://prepshorts.com/v/g07-maths-ch01-m03-t02/index.m3u8 578 2026-08-28 yes no no https://prepshorts.com/learn/class-7/maths/large-numbers-around-us/answering-could-this-possibly-fit-by-estimating-in-stages2026-10-03 https://prepshorts.com/poster/g07-maths-ch01-m04-t01-1280.d6b9aebd08.jpg Answering "could this possibly fit?" by estimating in stages NCERT Class 7 Maths Ganita Prakash, Chapter 1. Could this possibly fit? Turn a "could it possibly fit" question into two quantities that can be compared. https://prepshorts.com/v/g07-maths-ch01-m04-t01/index.m3u8 607 2026-08-28 yes no no https://prepshorts.com/learn/class-7/maths/large-numbers-around-us/answering-could-this-possibly-fit-by-estimating-in-stages/hi2026-10-03 https://prepshorts.com/poster/g07-maths-ch01-m04-t01-1280.d6b9aebd08.jpg Class 7 Maths Ch 1 in Hindi · "क्या यह कभी समा सकता है?" NCERT Class 7 Maths Chapter 1 in Hindi · कक्षा 7, अध्याय 1, हिंदी में. क्या 1 करोड़ 24 लाख लोगों का एक शहर 1 लाख buses में समा सकता है? https://prepshorts.com/v/g07-maths-ch01-m04-t01/index.m3u8 607 2026-08-28 yes no no https://prepshorts.com/learn/class-7/maths/arithmetic-expressions/writing-a-situation-as-an-expression-before-computing-it2026-10-03 https://prepshorts.com/poster/g07-maths-ch02-m01-t01-1280.89e9478310.jpg Writing a situation as an expression before computing it NCERT Class 7 Maths Ganita Prakash, Chapter 2. An arithmetic expression is a name for a number, not an instruction to work one out. https://prepshorts.com/v/g07-maths-ch02-m01-t01/index.m3u8 535 2026-08-28 yes no no https://prepshorts.com/learn/class-7/maths/arithmetic-expressions/writing-a-situation-as-an-expression-before-computing-it/hi2026-10-03 https://prepshorts.com/poster/g07-maths-ch02-m01-t01-1280.89e9478310.jpg Class 7 Maths Ch 2 in Hindi · हिसाब लगाने से पहले किसी NCERT Class 7 Maths Chapter 2 in Hindi · कक्षा 7, अध्याय 2, हिंदी में. Writing a situation as an expression before computing it. https://prepshorts.com/v/g07-maths-ch02-m01-t01/index.m3u8 535 2026-08-28 yes no no https://prepshorts.com/learn/class-7/maths/arithmetic-expressions/comparing-two-expressions-by-reasoning-not-by-evaluating2026-10-03 https://prepshorts.com/poster/g07-maths-ch02-m01-t02-1280.162fd7df45.jpg Comparing two expressions by reasoning, not by evaluating NCERT Class 7 Maths Ganita Prakash, Chapter 2. Deciding which of two expressions is larger is a question about their values. https://prepshorts.com/v/g07-maths-ch02-m01-t02/index.m3u8 537 2026-08-28 yes no no https://prepshorts.com/learn/class-7/maths/arithmetic-expressions/comparing-two-expressions-by-reasoning-not-by-evaluating/hi2026-10-03 https://prepshorts.com/poster/g07-maths-ch02-m01-t02-1280.162fd7df45.jpg Class 7 Maths Ch 2 in Hindi · दो expressions की तुलना NCERT Class 7 Maths Chapter 2 in Hindi · कक्षा 7, अध्याय 2, हिंदी में. 1023 जमा 125 बड़ा है या 1022 जमा 128? जैसे 10 जमा 2, बड़ा है 7 जमा 1 से।. https://prepshorts.com/v/g07-maths-ch02-m01-t02/index.m3u8 537 2026-08-28 yes no no https://prepshorts.com/learn/class-7/maths/arithmetic-expressions/brackets-decide-which-operation-happens-first2026-10-03 https://prepshorts.com/poster/g07-maths-ch02-m02-t01-1280.f042bf0b91.jpg BODMAS: why brackets decide the order of operations NCERT Class 7 Maths Ganita Prakash, Chapter 2. An expression with two operations can be read two ways. Thirty, plus five, times four. https://prepshorts.com/v/g07-maths-ch02-m02-t01/index.m3u8 525 2026-08-28 yes no no https://prepshorts.com/learn/class-7/maths/arithmetic-expressions/brackets-decide-which-operation-happens-first/hi2026-10-03 https://prepshorts.com/poster/g07-maths-ch02-m02-t01-1280.f042bf0b91.jpg Class 7 Maths Ch 2 in Hindi · Brackets तय करते हैं कि कौन-सा NCERT Class 7 Maths Chapter 2 in Hindi · कक्षा 7, अध्याय 2, हिंदी में. 30 जमा 5 गुणा 4: जवाब 140 है या 50? भाषा में भी यही मुश्किल आती है।. https://prepshorts.com/v/g07-maths-ch02-m02-t01/index.m3u8 525 2026-08-28 yes no no https://prepshorts.com/learn/class-7/maths/arithmetic-expressions/every-expression-can-be-rewritten-as-a-sum-of-terms2026-10-03 https://prepshorts.com/poster/g07-maths-ch02-m02-t02-1280.c80f8b3e30.jpg Every expression can be rewritten as a sum of terms NCERT Class 7 Maths Ganita Prakash, Chapter 2. One move turns any expression into a plain addition: replace every subtraction with the addition of an inverse. https://prepshorts.com/v/g07-maths-ch02-m02-t02/index.m3u8 591 2026-08-28 yes no no https://prepshorts.com/learn/class-7/maths/arithmetic-expressions/every-expression-can-be-rewritten-as-a-sum-of-terms/hi2026-10-03 https://prepshorts.com/poster/g07-maths-ch02-m02-t02-1280.c80f8b3e30.jpg Class 7 Maths Ch 2 in Hindi · हर expression को terms के sum NCERT Class 7 Maths Chapter 2 in Hindi · कक्षा 7, अध्याय 2, हिंदी में. 30 जमा 5 गुणा 4, बिना किसी bracket के: इसका जवाब कैसे तय होता है? https://prepshorts.com/v/g07-maths-ch02-m02-t02/index.m3u8 591 2026-08-28 yes no no https://prepshorts.com/learn/class-7/maths/arithmetic-expressions/commutative-and-associative-why-order-and-grouping-are-free2026-10-03 https://prepshorts.com/poster/g07-maths-ch02-m03-t01-1280.c47907ff9b.jpg Commutative and associative properties explained NCERT Class 7 Maths Ganita Prakash, Chapter 2. The freedom to shuffle belongs to the terms of a sum, not to the symbols on the page. https://prepshorts.com/v/g07-maths-ch02-m03-t01/index.m3u8 541 2026-08-28 yes no no https://prepshorts.com/learn/class-7/maths/arithmetic-expressions/commutative-and-associative-why-order-and-grouping-are-free/hi2026-10-03 https://prepshorts.com/poster/g07-maths-ch02-m03-t01-1280.c47907ff9b.jpg Class 7 Maths Ch 2 in Hindi · Commutative और associative NCERT Class 7 Maths Chapter 2 in Hindi · कक्षा 7, अध्याय 2, हिंदी में. 6 घटा 4 में अगर जगह बदल सकते हैं, तो क्या 6 घटा 4 और 4 घटा 6 बराबर हैं? https://prepshorts.com/v/g07-maths-ch02-m03-t01/index.m3u8 541 2026-08-28 yes no no https://prepshorts.com/learn/class-7/maths/arithmetic-expressions/removing-a-bracket-after-a-minus-sign-flips-every-term2026-10-03 https://prepshorts.com/poster/g07-maths-ch02-m03-t02-1280.4adbd29d11.jpg Removing brackets after a minus sign NCERT Class 7 Maths Ganita Prakash, Chapter 2. The sign flip is not a rule to memorise. It is forced by what taking away means. https://prepshorts.com/v/g07-maths-ch02-m03-t02/index.m3u8 603 2026-08-28 yes no no https://prepshorts.com/learn/class-7/maths/arithmetic-expressions/removing-a-bracket-after-a-minus-sign-flips-every-term/hi2026-10-03 https://prepshorts.com/poster/g07-maths-ch02-m03-t02-1280.4adbd29d11.jpg Class 7 Maths Ch 2 in Hindi · minus चिह्न के बाद bracket NCERT Class 7 Maths Chapter 2 in Hindi · कक्षा 7, अध्याय 2, हिंदी में. Removing a bracket after a minus sign flips every term inside. https://prepshorts.com/v/g07-maths-ch02-m03-t02/index.m3u8 603 2026-08-28 yes no no https://prepshorts.com/learn/class-7/maths/arithmetic-expressions/the-distributive-property-and-using-it-to-compute-faster2026-10-03 https://prepshorts.com/poster/g07-maths-ch02-m03-t03-1280.29cc7458c2.jpg The distributive property, and using it to compute faster NCERT Class 7 Maths Ganita Prakash, Chapter 2. The distributive property is not something you do to brackets. The closing scene overturns the obvious moral. https://prepshorts.com/v/g07-maths-ch02-m03-t03/index.m3u8 540 2026-08-28 yes no no https://prepshorts.com/learn/class-7/maths/arithmetic-expressions/the-distributive-property-and-using-it-to-compute-faster/hi2026-10-03 https://prepshorts.com/poster/g07-maths-ch02-m03-t03-1280.29cc7458c2.jpg Class 7 Maths Ch 2 in Hindi · Distributive property NCERT Class 7 Maths Chapter 2 in Hindi · कक्षा 7, अध्याय 2, हिंदी में. The distributive property, and using it to compute faster. https://prepshorts.com/v/g07-maths-ch02-m03-t03/index.m3u8 540 2026-08-28 yes no no https://prepshorts.com/learn/class-7/maths/a-peek-beyond-the-point/why-whole-units-are-not-enough-to-measure-with2026-10-03 https://prepshorts.com/poster/g07-maths-ch03-m01-t01-1280.debe5fda44.jpg Why do we need decimals? Class 7 explanation NCERT Class 7 Maths Ganita Prakash, Chapter 3. Most first lessons on tenths present them as notation to be learned. https://prepshorts.com/v/g07-maths-ch03-m01-t01/index.m3u8 524 2026-08-28 yes no no https://prepshorts.com/learn/class-7/maths/a-peek-beyond-the-point/why-whole-units-are-not-enough-to-measure-with/hi2026-10-03 https://prepshorts.com/poster/g07-maths-ch03-m01-t01-1280.debe5fda44.jpg Class 7 Maths Ch 3 in Hindi · नापने के लिए पूरी units काफ़ी NCERT Class 7 Maths Chapter 3 in Hindi · कक्षा 7, अध्याय 3, हिंदी में. Why whole units are not enough to measure with. https://prepshorts.com/v/g07-maths-ch03-m01-t01/index.m3u8 524 2026-08-28 yes no no https://prepshorts.com/learn/class-7/maths/a-peek-beyond-the-point/a-tenth-part2026-10-03 https://prepshorts.com/poster/g07-maths-ch03-m01-t02-1280.37f7be9afc.jpg A tenth part Class 7 Maths, Ch 3. The lesson that makes decimals possible, taught entirely without the decimal point — which does not arrive for another two sections. https://prepshorts.com/v/g07-maths-ch03-m01-t02/index.m3u8 551 2026-08-28 yes no no https://prepshorts.com/learn/class-7/maths/a-peek-beyond-the-point/a-tenth-part/hi2026-10-03 https://prepshorts.com/poster/g07-maths-ch03-m01-t02-1280.37f7be9afc.jpg Class 7 Maths Ch 3 in Hindi · दसवाँ भाग NCERT Class 7 Maths Chapter 3 in Hindi · कक्षा 7, अध्याय 3, हिंदी में. A tenth part. अब 0 से शुरू करके पेंसिल के सिरे तक चलो।. https://prepshorts.com/v/g07-maths-ch03-m01-t02/index.m3u8 551 2026-08-28 yes no no https://prepshorts.com/learn/class-7/maths/a-peek-beyond-the-point/a-hundredth-part-and-continuing-the-split2026-10-03 https://prepshorts.com/poster/g07-maths-ch03-m01-t03-1280.3963dcca31.jpg A hundredth part, and continuing the split NCERT Class 7 Maths Ganita Prakash, Chapter 3. The second turn of the handle. Break a unit or a tenth apart mid-subtraction and say what was traded for what. https://prepshorts.com/v/g07-maths-ch03-m01-t03/index.m3u8 582 2026-08-28 yes no no https://prepshorts.com/learn/class-7/maths/a-peek-beyond-the-point/a-hundredth-part-and-continuing-the-split/hi2026-10-03 https://prepshorts.com/poster/g07-maths-ch03-m01-t03-1280.3963dcca31.jpg Class 7 Maths Ch 3 in Hindi · सौवाँ भाग NCERT Class 7 Maths Chapter 3 in Hindi · कक्षा 7, अध्याय 3, हिंदी में. A hundredth part, and continuing the split. https://prepshorts.com/v/g07-maths-ch03-m01-t03/index.m3u8 582 2026-08-28 yes no no https://prepshorts.com/learn/class-7/maths/a-peek-beyond-the-point/extending-indian-place-value-to-the-right-of-the-point2026-10-03 https://prepshorts.com/poster/g07-maths-ch03-m02-t01-1280.a42f960214.jpg Extending Indian place value to the right of the point NCERT Class 7 Maths Ganita Prakash, Chapter 3. This is the explanation the previous two were saving the point for. https://prepshorts.com/v/g07-maths-ch03-m02-t01/index.m3u8 546 2026-08-28 yes no no https://prepshorts.com/learn/class-7/maths/a-peek-beyond-the-point/extending-indian-place-value-to-the-right-of-the-point/hi2026-10-03 https://prepshorts.com/poster/g07-maths-ch03-m02-t01-1280.a42f960214.jpg Class 7 Maths Ch 3 in Hindi · भारतीय place value को point NCERT Class 7 Maths Chapter 3 in Hindi · कक्षा 7, अध्याय 3, हिंदी में. इकाई को 10 में ही क्यों काटते हैं? अब एक पेंसिल को इस पैमाने पर लिटाकर रखते हैं।. https://prepshorts.com/v/g07-maths-ch03-m02-t01/index.m3u8 546 2026-08-28 yes no no https://prepshorts.com/learn/class-7/maths/a-peek-beyond-the-point/why-measurement-units-are-built-in-tens2026-10-03 https://prepshorts.com/poster/g07-maths-ch03-m02-t02-1280.95f77adb80.jpg Why mm, cm and m go up in tens: decimal units NCERT Class 7 Maths Ganita Prakash, Chapter 3. Metric conversion is usually taught as a table of facts and a rule about moving the point. https://prepshorts.com/v/g07-maths-ch03-m02-t02/index.m3u8 556 2026-08-28 yes no no https://prepshorts.com/learn/class-7/maths/a-peek-beyond-the-point/why-measurement-units-are-built-in-tens/hi2026-10-03 https://prepshorts.com/poster/g07-maths-ch03-m02-t02-1280.95f77adb80.jpg Class 7 Maths Ch 3 in Hindi · नाप की units दस-दस में क्यों NCERT Class 7 Maths Chapter 3 in Hindi · कक्षा 7, अध्याय 3, हिंदी में. Why measurement units are built in tens. https://prepshorts.com/v/g07-maths-ch03-m02-t02/index.m3u8 556 2026-08-28 yes no no https://prepshorts.com/learn/class-7/maths/a-peek-beyond-the-point/locating-a-decimal-on-the-number-line-and-comparing-two2026-10-03 https://prepshorts.com/poster/g07-maths-ch03-m03-t01-1280.24516272b3.jpg Locating a decimal on the number line, and comparing two decimals NCERT Class 7 Maths Ganita Prakash, Chapter 3. Placing a decimal on the line and comparing two decimals are taught as separate skills. https://prepshorts.com/v/g07-maths-ch03-m03-t01/index.m3u8 603 2026-08-28 yes no no https://prepshorts.com/learn/class-7/maths/a-peek-beyond-the-point/locating-a-decimal-on-the-number-line-and-comparing-two/hi2026-10-03 https://prepshorts.com/poster/g07-maths-ch03-m03-t01-1280.24516272b3.jpg Class 7 Maths Ch 3 in Hindi · number line पर decimal ढूँढ़ना NCERT Class 7 Maths Chapter 3 in Hindi · कक्षा 7, अध्याय 3, हिंदी में. 1.4 number line पर कहाँ बैठता है? इसमें पूरी इकाई 1 है, तो यह 1 और 2 के बीच कहीं है।. https://prepshorts.com/v/g07-maths-ch03-m03-t01/index.m3u8 603 2026-08-28 yes no no https://prepshorts.com/learn/class-7/maths/a-peek-beyond-the-point/adding-and-subtracting-decimals-by-aligning-place-value2026-10-03 https://prepshorts.com/poster/g07-maths-ch03-m03-t02-1280.c734a50f3c.jpg Adding and subtracting decimals by aligning place value Class 7 Maths Ganita Prakash, Ch 3. This is the lesson that feels like it is teaching nothing, because it very nearly is — and that is the point worth making. https://prepshorts.com/v/g07-maths-ch03-m03-t02/index.m3u8 584 2026-08-28 yes no no https://prepshorts.com/learn/class-7/maths/a-peek-beyond-the-point/adding-and-subtracting-decimals-by-aligning-place-value/hi2026-10-03 https://prepshorts.com/poster/g07-maths-ch03-m03-t02-1280.c734a50f3c.jpg Class 7 Maths Ch 3 in Hindi · place value को सीध में रखकर NCERT Class 7 Maths Chapter 3 in Hindi · कक्षा 7, अध्याय 3, हिंदी में. 2.7 मीटर और 3.5 मीटर कपड़ा, कुल कितना? बटा 10 वाले खाने में 5 में से 7 नहीं निकलते।. https://prepshorts.com/v/g07-maths-ch03-m03-t02/index.m3u8 584 2026-08-28 yes no no https://prepshorts.com/learn/class-7/maths/a-peek-beyond-the-point/what-a-misplaced-decimal-point-costs2026-10-03 https://prepshorts.com/poster/g07-maths-ch03-m04-t01-1280.c2ebf78eeb.jpg What a misplaced decimal point costs NCERT Class 7 Maths Ganita Prakash, Chapter 3. A string of digits is not yet a quantity. State the two things a digit string needs before it names a quantity. https://prepshorts.com/v/g07-maths-ch03-m04-t01/index.m3u8 560 2026-08-28 yes no no https://prepshorts.com/learn/class-7/maths/a-peek-beyond-the-point/what-a-misplaced-decimal-point-costs/hi2026-10-03 https://prepshorts.com/poster/g07-maths-ch03-m04-t01-1280.c2ebf78eeb.jpg Class 7 Maths Ch 3 in Hindi · ग़लत जगह लगे decimal point NCERT Class 7 Maths Chapter 3 in Hindi · कक्षा 7, अध्याय 3, हिंदी में. board पर 1, 8, 8 लिखा है। इसकी कीमत क्या है? 188 सेंटीमीटर या 188 मीटर? 188 या 1.88? https://prepshorts.com/v/g07-maths-ch03-m04-t01/index.m3u8 560 2026-08-28 yes no no https://prepshorts.com/learn/class-7/maths/a-peek-beyond-the-point/when-a-decimal-looking-number-is-not-a-decimal-4-5-hours-5-52026-10-03 https://prepshorts.com/poster/g07-maths-ch03-m04-t02-1280.2188694706.jpg When 4.5 is not really a decimal NCERT Class 7 Maths Ganita Prakash, Chapter 3. 4.5 hours is four and a half. 5.5 overs is not five and a half. https://prepshorts.com/v/g07-maths-ch03-m04-t02/index.m3u8 519 2026-08-28 yes no no https://prepshorts.com/learn/class-7/maths/a-peek-beyond-the-point/when-a-decimal-looking-number-is-not-a-decimal-4-5-hours-5-5/hi2026-10-03 https://prepshorts.com/poster/g07-maths-ch03-m04-t02-1280.2188694706.jpg Class 7 Maths Ch 3 in Hindi · जब decimal जैसा दिखने वाला NCERT Class 7 Maths Chapter 3 in Hindi · कक्षा 7, अध्याय 3, हिंदी में. बस दोपहर से 4.5 घंटे बाद आएगी। 4:05, 4:50 या 4:25? https://prepshorts.com/v/g07-maths-ch03-m04-t02/index.m3u8 519 2026-08-28 yes no no https://prepshorts.com/learn/class-7/maths/a-peek-beyond-the-point/rival-ways-of-splitting-off-the-fractional-part-and-why-the2026-10-03 https://prepshorts.com/poster/g07-maths-ch03-m04-t03-1280.3258ddaa33.jpg Where the decimal point came from NCERT Class 7 Maths Ganita Prakash, Chapter 3. Almost everyone believes decimals arrived with the decimal point. https://prepshorts.com/v/g07-maths-ch03-m04-t03/index.m3u8 557 2026-08-28 yes no no https://prepshorts.com/learn/class-7/maths/a-peek-beyond-the-point/rival-ways-of-splitting-off-the-fractional-part-and-why-the/hi2026-10-03 https://prepshorts.com/poster/g07-maths-ch03-m04-t03-1280.3258ddaa33.jpg Class 7 Maths Ch 3 in Hindi · fractional हिस्से को अलग करने NCERT Class 7 Maths Chapter 3 in Hindi · कक्षा 7, अध्याय 3, हिंदी में. दशमलव में क्या गणित से निकला, और क्या लोगों ने तय किया? https://prepshorts.com/v/g07-maths-ch03-m04-t03/index.m3u8 557 2026-08-28 yes no no https://prepshorts.com/learn/class-7/maths/expressions-using-letter-numbers/a-letter-number-stands-for-any-number-not-one-number2026-10-03 https://prepshorts.com/poster/g07-maths-ch04-m01-t01-1280.fa78909a1f.jpg A letter-number stands for any number, not one number NCERT Class 7 Maths Ganita Prakash, Chapter 4. Algebra does not add a new kind of number to arithmetic. It is the rule that made all the answers. https://prepshorts.com/v/g07-maths-ch04-m01-t01/index.m3u8 571 2026-08-28 yes no no https://prepshorts.com/learn/class-7/maths/expressions-using-letter-numbers/a-letter-number-stands-for-any-number-not-one-number/hi2026-10-03 https://prepshorts.com/poster/g07-maths-ch04-m01-t01-1280.fa78909a1f.jpg Class 7 Maths Ch 4 in Hindi · letter-number किसी भी number NCERT Class 7 Maths Chapter 4 in Hindi · कक्षा 7, अध्याय 4, हिंदी में. A letter-number stands for any number, not one number. https://prepshorts.com/v/g07-maths-ch04-m01-t01/index.m3u8 571 2026-08-28 yes no no https://prepshorts.com/learn/class-7/maths/expressions-using-letter-numbers/why-every-rule-of-arithmetic-carries-over-to-algebra2026-10-03 https://prepshorts.com/poster/g07-maths-ch04-m01-t02-1280.cb24f43a07.jpg Why the rules of arithmetic work in algebra too NCERT Class 7 Maths Ganita Prakash, Chapter 4. A chapter about letters stops, one page in, to revise arithmetic with no letters in it anywhere. https://prepshorts.com/v/g07-maths-ch04-m01-t02/index.m3u8 562 2026-08-28 yes no no https://prepshorts.com/learn/class-7/maths/expressions-using-letter-numbers/why-every-rule-of-arithmetic-carries-over-to-algebra/hi2026-10-03 https://prepshorts.com/poster/g07-maths-ch04-m01-t02-1280.cb24f43a07.jpg Class 7 Maths Ch 4 in Hindi · arithmetic का हर नियम algebra NCERT Class 7 Maths Chapter 4 in Hindi · कक्षा 7, अध्याय 4, हिंदी में. 23 minus 10 गुणा 2: जवाब 26 है या 3? यह भटकना नहीं है, यही असली बात है।. https://prepshorts.com/v/g07-maths-ch04-m01-t02/index.m3u8 562 2026-08-28 yes no no https://prepshorts.com/learn/class-7/maths/expressions-using-letter-numbers/the-dropped-multiplication-sign-and-what-it-silently-means2026-10-03 https://prepshorts.com/poster/g07-maths-ch04-m02-t01-1280.4bda306d74.jpg The dropped multiplication sign, and what it silently means NCERT Class 7 Maths Ganita Prakash, Chapter 4. 4n is not a new object. It is 4 × n with a symbol the reader is expected to put back, every single time. https://prepshorts.com/v/g07-maths-ch04-m02-t01/index.m3u8 569 2026-08-28 yes no no https://prepshorts.com/learn/class-7/maths/expressions-using-letter-numbers/the-dropped-multiplication-sign-and-what-it-silently-means/hi2026-10-03 https://prepshorts.com/poster/g07-maths-ch04-m02-t01-1280.4bda306d74.jpg Class 7 Maths Ch 4 in Hindi · हटाया गया गुणा का चिह्न NCERT Class 7 Maths Ch 4 in Hindi · कक्षा 7, अध्याय 4 हिंदी. 4 n का मतलब 4 गुणा n है, बस गुणा का चिह्न छुपा है। पर जब d बराबर 6 हो, तो 3 d कितना है, 36 या 18? https://prepshorts.com/v/g07-maths-ch04-m02-t01/index.m3u8 569 2026-08-28 yes no no https://prepshorts.com/learn/class-7/maths/expressions-using-letter-numbers/collecting-like-terms-and-what-simplest-form-is-for2026-10-03 https://prepshorts.com/poster/g07-maths-ch04-m02-t02-1280.bc389e3a2b.jpg Collecting like terms, and what "simplest form" is for NCERT Class 7 Maths Ganita Prakash, Chapter 4. Simplifying is not tidying up. Simplify an expression by collecting terms that carry the same letter-number. https://prepshorts.com/v/g07-maths-ch04-m02-t02/index.m3u8 607 2026-08-28 yes no no https://prepshorts.com/learn/class-7/maths/expressions-using-letter-numbers/collecting-like-terms-and-what-simplest-form-is-for/hi2026-10-03 https://prepshorts.com/poster/g07-maths-ch04-m02-t02-1280.bc389e3a2b.jpg Class 7 Maths Ch 4 in Hindi · like terms इकट्ठा करना NCERT Class 7 Maths Chapter 4 in Hindi · कक्षा 7, अध्याय 4, हिंदी में. Collecting like terms, and what "simplest form" is for. https://prepshorts.com/v/g07-maths-ch04-m02-t02/index.m3u8 607 2026-08-28 yes no no https://prepshorts.com/learn/class-7/maths/expressions-using-letter-numbers/turning-a-pattern-into-a-formula-that-predicts2026-10-03 https://prepshorts.com/poster/g07-maths-ch04-m03-t01-1280.31d53f0c1c.jpg Turning a pattern into a formula that predicts NCERT Class 7 Maths Ganita Prakash, Chapter 4. A formula is worth writing only if it answers cases nobody checked. So the method never starts with symbols. https://prepshorts.com/v/g07-maths-ch04-m03-t01/index.m3u8 567 2026-08-28 yes no no https://prepshorts.com/learn/class-7/maths/expressions-using-letter-numbers/turning-a-pattern-into-a-formula-that-predicts/hi2026-10-03 https://prepshorts.com/poster/g07-maths-ch04-m03-t01-1280.31d53f0c1c.jpg Class 7 Maths Ch 4 in Hindi · pattern को ऐसे formula NCERT Class 7 Maths Chapter 4 in Hindi · कक्षा 7, अध्याय 4, हिंदी में. Turning a pattern into a formula that predicts. https://prepshorts.com/v/g07-maths-ch04-m03-t01/index.m3u8 567 2026-08-28 yes no no https://prepshorts.com/learn/class-7/maths/expressions-using-letter-numbers/why-a-formula-says-in-one-line-what-words-take-a-paragraph2026-10-03 https://prepshorts.com/poster/g07-maths-ch04-m03-t02-1280.6bf836b495.jpg Why algebra says it shorter than words NCERT Class 7 Maths Ganita Prakash, Chapter 4. Algebra is shorter than ordinary language for the same reason it is stronger. https://prepshorts.com/v/g07-maths-ch04-m03-t02/index.m3u8 538 2026-08-28 yes no no https://prepshorts.com/learn/class-7/maths/expressions-using-letter-numbers/why-a-formula-says-in-one-line-what-words-take-a-paragraph/hi2026-10-03 https://prepshorts.com/poster/g07-maths-ch04-m03-t02-1280.6bf836b495.jpg Class 7 Maths Ch 4 in Hindi · जो बात शब्द एक paragraph NCERT Class 7 Maths Chapter 4 in Hindi · कक्षा 7, अध्याय 4, हिंदी में. Why a formula says in one line what words take a paragraph to say. https://prepshorts.com/v/g07-maths-ch04-m03-t02/index.m3u8 538 2026-08-28 yes no no https://prepshorts.com/learn/class-7/maths/parallel-and-intersecting-lines/the-four-angles-at-a-crossing-vertically-opposite-and-linear2026-10-03 https://prepshorts.com/poster/g07-maths-ch05-m01-t01-1280.733fea38a9.jpg Vertically opposite angles and linear pairs NCERT Class 7 Maths Ganita Prakash, Chapter 5. Two lines cross and four angles open out. How many different sizes can those four be? https://prepshorts.com/v/g07-maths-ch05-m01-t01/index.m3u8 531 2026-08-28 yes no no https://prepshorts.com/learn/class-7/maths/parallel-and-intersecting-lines/the-four-angles-at-a-crossing-vertically-opposite-and-linear/hi2026-10-03 https://prepshorts.com/poster/g07-maths-ch05-m01-t01-1280.733fea38a9.jpg Class 7 Maths Ch 5 in Hindi · कटान पर बने चार angles NCERT Class 7 Maths Chapter 5 in Hindi · कक्षा 7, अध्याय 5, हिंदी में. The four angles at a crossing: vertically opposite and linear pairs. https://prepshorts.com/v/g07-maths-ch05-m01-t01/index.m3u8 531 2026-08-28 yes no no https://prepshorts.com/learn/class-7/maths/parallel-and-intersecting-lines/perpendicular-lines-as-the-case-where-all-four-are-equal2026-10-03 https://prepshorts.com/poster/g07-maths-ch05-m01-t02-1280.6f083acc5b.jpg Perpendicular lines as the case where all four are equal NCERT Class 7 Maths Ganita Prakash, Chapter 5. Perpendicular is not a fact about which way two lines point. Two lines cross and make four angles in two sizes. https://prepshorts.com/v/g07-maths-ch05-m01-t02/index.m3u8 551 2026-08-28 yes no no https://prepshorts.com/learn/class-7/maths/parallel-and-intersecting-lines/perpendicular-lines-as-the-case-where-all-four-are-equal/hi2026-10-03 https://prepshorts.com/poster/g07-maths-ch05-m01-t02-1280.6f083acc5b.jpg Class 7 Maths Ch 5 in Hindi · Perpendicular lines NCERT Class 7 Maths Chapter 5 in Hindi · कक्षा 7, अध्याय 5, हिंदी में. क्या 2 lines ऐसे काट सकती हैं कि चारों angle बिल्कुल बराबर हों? https://prepshorts.com/v/g07-maths-ch05-m01-t02/index.m3u8 551 2026-08-28 yes no no https://prepshorts.com/learn/class-7/maths/parallel-and-intersecting-lines/what-parallel-actually-claims-and-why-it-is-hard-to-check2026-10-03 https://prepshorts.com/poster/g07-maths-ch05-m02-t01-1280.787b381c2d.jpg What are parallel lines, and how can you check? NCERT Class 7 Maths Ganita Prakash, Chapter 5. “Parallel” is a claim about what happens for ever, made from a drawing eight centimetres long. https://prepshorts.com/v/g07-maths-ch05-m02-t01/index.m3u8 555 2026-08-28 yes no no https://prepshorts.com/learn/class-7/maths/parallel-and-intersecting-lines/what-parallel-actually-claims-and-why-it-is-hard-to-check/hi2026-10-03 https://prepshorts.com/poster/g07-maths-ch05-m02-t01-1280.787b381c2d.jpg Class 7 Maths Ch 5 in Hindi · "Parallel" असल में क्या दावा NCERT Class 7 Maths Chapter 5 in Hindi · कक्षा 7, अध्याय 5, हिंदी में. What "parallel" actually claims, and why it is hard to check. https://prepshorts.com/v/g07-maths-ch05-m02-t01/index.m3u8 555 2026-08-28 yes no no https://prepshorts.com/learn/class-7/maths/parallel-and-intersecting-lines/a-transversal-creates-two-matching-sets-of-four-angles2026-10-03 https://prepshorts.com/poster/g07-maths-ch05-m03-t01-1280.e498f533e1.jpg A transversal creates two matching sets of four angles NCERT Class 7 Maths Ganita Prakash, Chapter 5. Eight angles look like eight facts to memorise. Define a transversal, and identify one in a figure. https://prepshorts.com/v/g07-maths-ch05-m03-t01/index.m3u8 561 2026-08-28 yes no no https://prepshorts.com/learn/class-7/maths/parallel-and-intersecting-lines/a-transversal-creates-two-matching-sets-of-four-angles/hi2026-10-03 https://prepshorts.com/poster/g07-maths-ch05-m03-t01-1280.e498f533e1.jpg Class 7 Maths Ch 5 in Hindi · Transversal चार-चार angles NCERT Class 7 Maths Chapter 5 in Hindi · कक्षा 7, अध्याय 5, हिंदी में. एक तीसरी line 2 lines को काटे, तो 8 angle बनते हैं। क्या वे आठों अलग हो सकते हैं? https://prepshorts.com/v/g07-maths-ch05-m03-t01/index.m3u8 561 2026-08-28 yes no no https://prepshorts.com/learn/class-7/maths/parallel-and-intersecting-lines/corresponding-angles-are-equal-exactly-when-the-lines-are2026-10-03 https://prepshorts.com/poster/g07-maths-ch05-m03-t02-1280.eeb85db413.jpg Corresponding angles and parallel lines NCERT Class 7 Maths, Ch 5. This is the hinge of the chapter, and the shape matters more than the content: there are two statements here, facing opposite ways. https://prepshorts.com/v/g07-maths-ch05-m03-t02/index.m3u8 541 2026-08-28 yes no no https://prepshorts.com/learn/class-7/maths/parallel-and-intersecting-lines/corresponding-angles-are-equal-exactly-when-the-lines-are/hi2026-10-03 https://prepshorts.com/poster/g07-maths-ch05-m03-t02-1280.eeb85db413.jpg Class 7 Maths Ch 5 in Hindi · Corresponding angles ठीक तभी NCERT Class 7 Maths Chapter 5 in Hindi · कक्षा 7, अध्याय 5, हिंदी में. 2 lines समांतर दिखें, तो क्या वे सच में समांतर हैं? https://prepshorts.com/v/g07-maths-ch05-m03-t02/index.m3u8 541 2026-08-28 yes no no https://prepshorts.com/learn/class-7/maths/parallel-and-intersecting-lines/drawing-a-parallel-line-using-the-corresponding-angle-test2026-10-03 https://prepshorts.com/poster/g07-maths-ch05-m04-t01-1280.47f51211d1.jpg Drawing a parallel line using the corresponding-angle test NCERT Class 7 Maths Ganita Prakash, Chapter 5. A construction is only worth something if it carries its own guarantee. https://prepshorts.com/v/g07-maths-ch05-m04-t01/index.m3u8 540 2026-08-28 yes no no https://prepshorts.com/learn/class-7/maths/parallel-and-intersecting-lines/drawing-a-parallel-line-using-the-corresponding-angle-test/hi2026-10-03 https://prepshorts.com/poster/g07-maths-ch05-m04-t01-1280.47f51211d1.jpg Class 7 Maths Ch 5 in Hindi · Corresponding-angle वाली जाँच NCERT Class 7 Maths Chapter 5 in Hindi · कक्षा 7, अध्याय 5, हिंदी में. समांतर lines बनाना एक बात है, और ऐसे बनाना कि उन पर शक ही न हो, दूसरी।. https://prepshorts.com/v/g07-maths-ch05-m04-t01/index.m3u8 540 2026-08-28 yes no no https://prepshorts.com/learn/class-7/maths/parallel-and-intersecting-lines/alternate-angles-and-interior-angles-that-add-to-1802026-10-03 https://prepshorts.com/poster/g07-maths-ch05-m05-t01-1280.fe3b507d23.jpg Alternate angles, and interior angles that add to 180° NCERT Class 7 Maths Ganita Prakash, Chapter 5. Nothing new is assumed in this topic, and that is the whole video. https://prepshorts.com/v/g07-maths-ch05-m05-t01/index.m3u8 550 2026-08-28 yes no no https://prepshorts.com/learn/class-7/maths/parallel-and-intersecting-lines/alternate-angles-and-interior-angles-that-add-to-180/hi2026-10-03 https://prepshorts.com/poster/g07-maths-ch05-m05-t01-1280.fe3b507d23.jpg Class 7 Maths Ch 5 in Hindi · Alternate angles NCERT Class 7 Maths Chapter 5 in Hindi · कक्षा 7, अध्याय 5, हिंदी में. Alternate angles, and interior angles that add to 180°. https://prepshorts.com/v/g07-maths-ch05-m05-t01/index.m3u8 550 2026-08-28 yes no no https://prepshorts.com/learn/class-7/maths/parallel-and-intersecting-lines/parallel-illusions-why-the-eye-is-not-a-proof2026-10-03 https://prepshorts.com/poster/g07-maths-ch05-m06-t01-1280.1dc14ad6bf.jpg Parallel illusions: why the eye is not a proof NCERT Class 7 Maths Ganita Prakash, Chapter 5. This topic attacks its own evidence. State what an illusion of parallelism is, and give an example of one. https://prepshorts.com/v/g07-maths-ch05-m06-t01/index.m3u8 551 2026-08-28 yes no no https://prepshorts.com/learn/class-7/maths/parallel-and-intersecting-lines/parallel-illusions-why-the-eye-is-not-a-proof/hi2026-10-03 https://prepshorts.com/poster/g07-maths-ch05-m06-t01-1280.1dc14ad6bf.jpg Class 7 Maths Ch 5 in Hindi · Parallel के भ्रम NCERT Class 7 Maths Ch 5 in Hindi · कक्षा 7, अध्याय 5, हिंदी में. सीधी lines मुड़ी हुई दिख सकती हैं, पड़ी lines झुकी हुई: आँख पूरी तरह उल्टा बता सकती है।. https://prepshorts.com/v/g07-maths-ch05-m06-t01/index.m3u8 551 2026-08-28 yes no no https://prepshorts.com/learn/class-7/maths/number-play/encoding-a-line-up-as-a-sequence-of-numbers2026-10-03 https://prepshorts.com/poster/g07-maths-ch06-m01-t01-1280.7a388a0006.jpg Encoding a line-up as a sequence of numbers NCERT Class 7 Maths Ganita Prakash, Chapter 6. Seven children in a line, each saying how many people ahead of them are taller. https://prepshorts.com/v/g07-maths-ch06-m01-t01/index.m3u8 544 2026-08-28 yes no no https://prepshorts.com/learn/class-7/maths/number-play/encoding-a-line-up-as-a-sequence-of-numbers/hi2026-10-03 https://prepshorts.com/poster/g07-maths-ch06-m01-t01-1280.7a388a0006.jpg Class 7 Maths Ch 6 in Hindi · एक line-up को numbers NCERT Class 7 Maths Chapter 6 in Hindi · कक्षा 7, अध्याय 6, हिंदी में. Encoding a line-up as a sequence of numbers. https://prepshorts.com/v/g07-maths-ch06-m01-t01/index.m3u8 544 2026-08-28 yes no no https://prepshorts.com/learn/class-7/maths/number-play/odd-and-even-as-can-this-be-arranged-in-pairs2026-10-03 https://prepshorts.com/poster/g07-maths-ch06-m02-t01-1280.371b91ae88.jpg Odd and even as "can this be arranged in pairs" NCERT Class 7 Maths Ganita Prakash, Chapter 6. Five boxes, plus signs between them, thirty after the equals. Parity closes doors. https://prepshorts.com/v/g07-maths-ch06-m02-t01/index.m3u8 535 2026-08-28 yes no no https://prepshorts.com/learn/class-7/maths/number-play/odd-and-even-as-can-this-be-arranged-in-pairs/hi2026-10-03 https://prepshorts.com/poster/g07-maths-ch06-m02-t01-1280.371b91ae88.jpg Class 7 Maths Ch 6 in Hindi · सम और विषम NCERT Class 7 Maths Chapter 6 in Hindi · कक्षा 7, अध्याय 6, हिंदी में. Odd and even as "can this be arranged in pairs". https://prepshorts.com/v/g07-maths-ch06-m02-t01/index.m3u8 535 2026-08-28 yes no no https://prepshorts.com/learn/class-7/maths/number-play/the-parity-of-a-sum-or-product-is-fixed-before-you-compute2026-10-03 https://prepshorts.com/poster/g07-maths-ch06-m02-t02-1280.98b4cd7636.jpg Odd and even: the parity of a sum or product NCERT Class 7 Maths Ganita Prakash, Chapter 6. A table with seven rows, three filled in and four blank. Picture a number as dots, paired off, two to a row. https://prepshorts.com/v/g07-maths-ch06-m02-t02/index.m3u8 581 2026-08-28 yes no no https://prepshorts.com/learn/class-7/maths/number-play/the-parity-of-a-sum-or-product-is-fixed-before-you-compute/hi2026-10-03 https://prepshorts.com/poster/g07-maths-ch06-m02-t02-1280.98b4cd7636.jpg Class 7 Maths Ch 6 in Hindi · जोड़ या गुणनफल की parity हिसाब NCERT Class 7 Maths Chapter 6 in Hindi · कक्षा 7, अध्याय 6, हिंदी में. 135 गुणा 654 की जाली में खाने सम हैं या विषम? https://prepshorts.com/v/g07-maths-ch06-m02-t02/index.m3u8 581 2026-08-28 yes no no https://prepshorts.com/learn/class-7/maths/number-play/using-row-and-column-sums-to-prove-a-grid-cannot-be-filled2026-10-03 https://prepshorts.com/poster/g07-maths-ch06-m03-t01-1280.1a5af133fb.jpg Using row and column sums to prove a grid cannot be filled Class 7 Maths Ganita Prakash, Ch 6. A three by three grid holding one to nine, with six numbers ringed round the outside and nobody saying what they are. https://prepshorts.com/v/g07-maths-ch06-m03-t01/index.m3u8 573 2026-08-28 yes no no https://prepshorts.com/learn/class-7/maths/number-play/using-row-and-column-sums-to-prove-a-grid-cannot-be-filled/hi2026-10-03 https://prepshorts.com/poster/g07-maths-ch06-m03-t01-1280.1a5af133fb.jpg Class 7 Maths Ch 6 in Hindi · row और column के जोड़ से साबित NCERT Class 7 Maths Chapter 6 in Hindi · कक्षा 7, अध्याय 6, हिंदी में. Using row and column sums to prove a grid cannot be filled. https://prepshorts.com/v/g07-maths-ch06-m03-t01/index.m3u8 573 2026-08-28 yes no no https://prepshorts.com/learn/class-7/maths/number-play/constructing-magic-squares-and-where-they-came-from2026-10-03 https://prepshorts.com/poster/g07-maths-ch06-m03-t02-1280.070f89f5f4.jpg Constructing magic squares, and where they came from NCERT Class 7 Maths Ganita Prakash, Chapter 6. There are 362,880 ways to fill a three by three grid with 1 to 9. https://prepshorts.com/v/g07-maths-ch06-m03-t02/index.m3u8 596 2026-08-28 yes no no https://prepshorts.com/learn/class-7/maths/number-play/constructing-magic-squares-and-where-they-came-from/hi2026-10-03 https://prepshorts.com/poster/g07-maths-ch06-m03-t02-1280.070f89f5f4.jpg Class 7 Maths Ch 6 in Hindi · magic squares बनाना NCERT Class 7 Maths Chapter 6 in Hindi · कक्षा 7, अध्याय 6, हिंदी में. Constructing magic squares, and where they came from. https://prepshorts.com/v/g07-maths-ch06-m03-t02/index.m3u8 596 2026-08-28 yes no no https://prepshorts.com/learn/class-7/maths/number-play/virahanka-fibonacci-numbers-and-the-poetry-counting-problem2026-10-03 https://prepshorts.com/poster/g07-maths-ch06-m04-t01-1280.6d29735191.jpg Virahāṅka–Fibonacci numbers NCERT Class 7 Maths Ganita Prakash, Chapter 6. 1, 2, 3, 5, 8, 13. The usual story is that somebody stared until they noticed the pattern. https://prepshorts.com/v/g07-maths-ch06-m04-t01/index.m3u8 607 2026-08-28 yes no no https://prepshorts.com/learn/class-7/maths/number-play/virahanka-fibonacci-numbers-and-the-poetry-counting-problem/hi2026-10-03 https://prepshorts.com/poster/g07-maths-ch06-m04-t01-1280.6d29735191.jpg Class 7 Maths Ch 6 in Hindi · Virahāṅka–Fibonacci संख्याएँ NCERT Class 7 Maths Chapter 6 in Hindi · कक्षा 7, अध्याय 6, हिंदी में. 8 ताल की कविता की पंक्ति कितनी तरह से बन सकती है? https://prepshorts.com/v/g07-maths-ch06-m04-t01/index.m3u8 607 2026-08-28 yes no no https://prepshorts.com/learn/class-7/maths/number-play/cryptarithms-recovering-digits-from-constraints-alone2026-10-03 https://prepshorts.com/poster/g07-maths-ch06-m04-t02-1280.d6a4c92b3c.jpg Cryptarithms: recovering digits from constraints alone NCERT Class 7 Maths Ganita Prakash, Chapter 6. T + T + T = UT. You are told nothing about either letter, and yet exactly one pair of digits works. https://prepshorts.com/v/g07-maths-ch06-m04-t02/index.m3u8 608 2026-08-28 yes no no https://prepshorts.com/learn/class-7/maths/number-play/cryptarithms-recovering-digits-from-constraints-alone/hi2026-10-03 https://prepshorts.com/poster/g07-maths-ch06-m04-t02-1280.d6a4c92b3c.jpg Class 7 Maths Ch 6 in Hindi · Cryptarithms NCERT Class 7 Maths Ch 6 in Hindi · कक्षा 7, अध्याय 6, हिंदी में. T + T + T = UT: अंकों की जगह letters हों, तो क्या हर letter के लिए 10 अंक आज़माने पड़ते हैं? https://prepshorts.com/v/g07-maths-ch06-m04-t02/index.m3u8 608 2026-08-28 yes no no https://prepshorts.com/learn/class-7/maths/a-tale-of-three-intersecting-lines/why-a-compass-beats-trial-and-error-for-building-a-triangle2026-10-03 https://prepshorts.com/poster/g07-maths-ch07-m01-t01-1280.1167772e12.jpg Why a compass beats trial and error for building a triangle NCERT Class 7 Maths Ganita Prakash, Chapter 7. A compass is not a tidier ruler. That is the whole video. A compass is not a tidier ruler. https://prepshorts.com/v/g07-maths-ch07-m01-t01/index.m3u8 548 2026-08-28 yes no no https://prepshorts.com/learn/class-7/maths/a-tale-of-three-intersecting-lines/why-a-compass-beats-trial-and-error-for-building-a-triangle/hi2026-10-03 https://prepshorts.com/poster/g07-maths-ch07-m01-t01-1280.1167772e12.jpg Class 7 Maths Ch 7 in Hindi · triangle बनाने में compass NCERT Class 7 Maths Chapter 7 in Hindi · कक्षा 7, अध्याय 7, हिंदी में. Why a compass beats trial and error for building a triangle. https://prepshorts.com/v/g07-maths-ch07-m01-t01/index.m3u8 548 2026-08-28 yes no no https://prepshorts.com/learn/class-7/maths/a-tale-of-three-intersecting-lines/the-triangle-inequality-which-three-lengths-can-close2026-10-03 https://prepshorts.com/poster/g07-maths-ch07-m01-t02-1280.d603ff4735.jpg The triangle inequality: which three lengths can close NCERT Class 7 Maths Ganita Prakash, Chapter 7. Try to build a triangle with sides 3, 4 and 8 and the two arcs sweep past each other without ever meeting. https://prepshorts.com/v/g07-maths-ch07-m01-t02/index.m3u8 571 2026-08-28 yes no no https://prepshorts.com/learn/class-7/maths/a-tale-of-three-intersecting-lines/the-triangle-inequality-which-three-lengths-can-close/hi2026-10-03 https://prepshorts.com/poster/g07-maths-ch07-m01-t02-1280.d603ff4735.jpg Class 7 Maths Ch 7 in Hindi · triangle inequality NCERT Class 7 Maths Chapter 7 in Hindi · कक्षा 7, अध्याय 7, हिंदी में. The triangle inequality: which three lengths can close. https://prepshorts.com/v/g07-maths-ch07-m01-t02/index.m3u8 571 2026-08-28 yes no no https://prepshorts.com/learn/class-7/maths/a-tale-of-three-intersecting-lines/constructing-from-two-sides-and-the-angle-between-them2026-10-03 https://prepshorts.com/poster/g07-maths-ch07-m02-t01-1280.8f4448351d.jpg Constructing from two sides and the angle between them NCERT Class 7 Maths Ganita Prakash, Chapter 7. Three lengths can quarrel with each other. Two sides with the angle wedged between them never can. https://prepshorts.com/v/g07-maths-ch07-m02-t01/index.m3u8 567 2026-08-28 yes no no https://prepshorts.com/learn/class-7/maths/a-tale-of-three-intersecting-lines/constructing-from-two-sides-and-the-angle-between-them/hi2026-10-03 https://prepshorts.com/poster/g07-maths-ch07-m02-t01-1280.8f4448351d.jpg Class 7 Maths Ch 7 in Hindi · दो sides और उनके बीच के angle NCERT Class 7 Maths Chapter 7 in Hindi · कक्षा 7, अध्याय 7, हिंदी में. Constructing from two sides and the angle between them. https://prepshorts.com/v/g07-maths-ch07-m02-t01/index.m3u8 567 2026-08-28 yes no no https://prepshorts.com/learn/class-7/maths/a-tale-of-three-intersecting-lines/constructing-from-two-angles-and-the-side-between-them2026-10-03 https://prepshorts.com/poster/g07-maths-ch07-m02-t02-1280.5a0f7c05aa.jpg Constructing from two angles and the side between them NCERT Class 7 Maths Ganita Prakash, Chapter 7. Two sides with the angle between them can never fail. The explanation builds the case from the drawing. https://prepshorts.com/v/g07-maths-ch07-m02-t02/index.m3u8 564 2026-08-28 yes no no https://prepshorts.com/learn/class-7/maths/a-tale-of-three-intersecting-lines/constructing-from-two-angles-and-the-side-between-them/hi2026-10-03 https://prepshorts.com/poster/g07-maths-ch07-m02-t02-1280.5a0f7c05aa.jpg Class 7 Maths Ch 7 in Hindi · दो angles और उनके बीच की side NCERT Class 7 Maths Chapter 7 in Hindi · कक्षा 7, अध्याय 7, हिंदी में. Constructing from two angles and the side between them. https://prepshorts.com/v/g07-maths-ch07-m02-t02/index.m3u8 564 2026-08-28 yes no no https://prepshorts.com/learn/class-7/maths/a-tale-of-three-intersecting-lines/why-the-three-angles-of-any-triangle-add-to-1802026-10-03 https://prepshorts.com/poster/g07-maths-ch07-m02-t03-1280.e1bb20dcf9.jpg Why do the angles of a triangle add up to 180°? NCERT Class 7 Maths Ganita Prakash, Chapter 7. Measuring a hundred triangles gives a hundred totals near 180° and never tells you why. One line does. https://prepshorts.com/v/g07-maths-ch07-m02-t03/index.m3u8 565 2026-08-28 yes no no https://prepshorts.com/learn/class-7/maths/a-tale-of-three-intersecting-lines/why-the-three-angles-of-any-triangle-add-to-180/hi2026-10-03 https://prepshorts.com/poster/g07-maths-ch07-m02-t03-1280.e1bb20dcf9.jpg Class 7 Maths Ch 7 in Hindi · किसी भी triangle के तीनों NCERT Class 7 Maths Chapter 7 in Hindi · कक्षा 7, अध्याय 7, हिंदी में. 60 और 70 वाला त्रिभुज 5 के आधार पर बनाओ या 7 के, तीसरा angle हर बार 50 आता है। क्यों? https://prepshorts.com/v/g07-maths-ch07-m02-t03/index.m3u8 565 2026-08-28 yes no no https://prepshorts.com/learn/class-7/maths/a-tale-of-three-intersecting-lines/what-an-altitude-is-and-how-to-construct-one2026-10-03 https://prepshorts.com/poster/g07-maths-ch07-m03-t01-1280.285cae6aea.jpg What is an altitude of a triangle? How to draw one NCERT Class 7 Maths Ganita Prakash, Chapter 7. Lean a five-metre pole over and it stands 4.70 tall, then 4.10. https://prepshorts.com/v/g07-maths-ch07-m03-t01/index.m3u8 606 2026-08-28 yes no no https://prepshorts.com/learn/class-7/maths/a-tale-of-three-intersecting-lines/what-an-altitude-is-and-how-to-construct-one/hi2026-10-03 https://prepshorts.com/poster/g07-maths-ch07-m03-t01-1280.285cae6aea.jpg Class 7 Maths Ch 7 in Hindi · altitude क्या है NCERT Class 7 Maths Chapter 7 in Hindi · कक्षा 7, अध्याय 7, हिंदी में. त्रिभुज की ऊँचाई कितनी है? एक बच्चे की ऊँचाई, एक पेड़ की ऊँचाई, एक इमारत की ऊँचाई।. https://prepshorts.com/v/g07-maths-ch07-m03-t01/index.m3u8 606 2026-08-28 yes no no https://prepshorts.com/learn/class-7/maths/a-tale-of-three-intersecting-lines/two-independent-ways-to-classify-a-triangle-by-side-and-by2026-10-03 https://prepshorts.com/poster/g07-maths-ch07-m03-t02-1280.61ed157eb4.jpg Classifying triangles by side and by angle NCERT Class 7 Maths Ganita Prakash, Chapter 7. Sorting triangles by sides and sorting them by angles are not two halves of one list. https://prepshorts.com/v/g07-maths-ch07-m03-t02/index.m3u8 613 2026-08-28 yes no no https://prepshorts.com/learn/class-7/maths/a-tale-of-three-intersecting-lines/two-independent-ways-to-classify-a-triangle-by-side-and-by/hi2026-10-03 https://prepshorts.com/poster/g07-maths-ch07-m03-t02-1280.61ed157eb4.jpg Class 7 Maths Ch 7 in Hindi · triangle को छाँटने के दो NCERT Class 7 Maths Chapter 7 in Hindi · कक्षा 7, अध्याय 7, हिंदी में. Two independent ways to classify a triangle: by side and by angle. https://prepshorts.com/v/g07-maths-ch07-m03-t02/index.m3u8 613 2026-08-28 yes no no https://prepshorts.com/learn/class-7/maths/working-with-fractions/a-whole-number-times-a-fraction-read-as-repeated-distance2026-10-03 https://prepshorts.com/poster/g07-maths-ch08-m01-t01-1280.23a3dc988f.jpg A whole number times a fraction, read as repeated distance NCERT Class 7 Maths Ganita Prakash, Chapter 8. Multiplication is never redefined here. Multiplication is never redefined here. https://prepshorts.com/v/g07-maths-ch08-m01-t01/index.m3u8 554 2026-08-28 yes no no https://prepshorts.com/learn/class-7/maths/working-with-fractions/a-whole-number-times-a-fraction-read-as-repeated-distance/hi2026-10-03 https://prepshorts.com/poster/g07-maths-ch08-m01-t01-1280.23a3dc988f.jpg Class 7 Maths Ch 8 in Hindi · एक whole number गुणा NCERT Class 7 Maths Chapter 8 in Hindi · कक्षा 7, अध्याय 8, हिंदी में. 3 को 1 बटा 5 बार कैसे जोड़ें? इसमें कोई नहीं अटकता, 5 गुणा 3, यानी 3 को 5 बार जोड़ना।. https://prepshorts.com/v/g07-maths-ch08-m01-t01/index.m3u8 554 2026-08-28 yes no no https://prepshorts.com/learn/class-7/maths/working-with-fractions/a-fraction-of-a-fraction-and-why-the-numerators-and2026-10-03 https://prepshorts.com/poster/g07-maths-ch08-m01-t02-1280.be7ffdabdc.jpg Multiplying a fraction by a fraction NCERT Class 7 Maths Ganita Prakash, Chapter 8. That the numerators multiply and the denominators multiply is not a convention anyone chose. https://prepshorts.com/v/g07-maths-ch08-m01-t02/index.m3u8 532 2026-08-28 yes no no https://prepshorts.com/learn/class-7/maths/working-with-fractions/a-fraction-of-a-fraction-and-why-the-numerators-and/hi2026-10-03 https://prepshorts.com/poster/g07-maths-ch08-m01-t02-1280.be7ffdabdc.jpg Class 7 Maths Ch 8 in Hindi · fraction का fraction NCERT Class 7 Maths Chapter 8 in Hindi · कक्षा 7, अध्याय 8, हिंदी में. A fraction of a fraction, and why the numerators and denominators multiply. https://prepshorts.com/v/g07-maths-ch08-m01-t02/index.m3u8 532 2026-08-28 yes no no https://prepshorts.com/learn/class-7/maths/working-with-fractions/cancelling-common-factors-before-multiplying-not-after2026-10-03 https://prepshorts.com/poster/g07-maths-ch08-m01-t03-1280.2ce817dab2.jpg Cancelling common factors before multiplying, not after NCERT Class 7 Maths Ganita Prakash, Chapter 8. Cancelling before you multiply is not a new permission. The explanation is careful about the boundary. https://prepshorts.com/v/g07-maths-ch08-m01-t03/index.m3u8 600 2026-08-28 yes no no https://prepshorts.com/learn/class-7/maths/working-with-fractions/cancelling-common-factors-before-multiplying-not-after/hi2026-10-03 https://prepshorts.com/poster/g07-maths-ch08-m01-t03-1280.2ce817dab2.jpg Class 7 Maths Ch 8 in Hindi · गुणा करने से पहले common NCERT Class 7 Maths Chapter 8 in Hindi · कक्षा 7, अध्याय 8, हिंदी में. Cancelling common factors before multiplying, not after. https://prepshorts.com/v/g07-maths-ch08-m01-t03/index.m3u8 600 2026-08-28 yes no no https://prepshorts.com/learn/class-7/maths/working-with-fractions/why-multiplying-can-make-a-number-smaller2026-10-03 https://prepshorts.com/poster/g07-maths-ch08-m01-t04-1280.3ad4155227.jpg Why can multiplying make a number smaller? NCERT Class 7 Maths Ganita Prakash, Chapter 8. “Does multiplying make a number bigger?” is not a question with an answer. https://prepshorts.com/v/g07-maths-ch08-m01-t04/index.m3u8 544 2026-08-28 yes no no https://prepshorts.com/learn/class-7/maths/working-with-fractions/why-multiplying-can-make-a-number-smaller/hi2026-10-03 https://prepshorts.com/poster/g07-maths-ch08-m01-t04-1280.3ad4155227.jpg Class 7 Maths Ch 8 in Hindi · गुणा करने से number छोटा क्यों NCERT Class 7 Maths Chapter 8 in Hindi · कक्षा 7, अध्याय 8, हिंदी में. क्या गुणा करने से संख्या बड़ी होती है? अब 3 गुणा 5 बराबर 15, और 15 दोनों से बड़ा।. https://prepshorts.com/v/g07-maths-ch08-m01-t04/index.m3u8 544 2026-08-28 yes no no https://prepshorts.com/learn/class-7/maths/working-with-fractions/restating-a-division-as-a-missing-factor-multiplication2026-10-03 https://prepshorts.com/poster/g07-maths-ch08-m02-t01-1280.90170c7df9.jpg Restating a division as a missing-factor multiplication NCERT Class 7 Maths Ganita Prakash, Chapter 8. Dividing by a fraction needs no new rule, because division was never an operation in its own right. https://prepshorts.com/v/g07-maths-ch08-m02-t01/index.m3u8 545 2026-08-28 yes no no https://prepshorts.com/learn/class-7/maths/working-with-fractions/restating-a-division-as-a-missing-factor-multiplication/hi2026-10-03 https://prepshorts.com/poster/g07-maths-ch08-m02-t01-1280.90170c7df9.jpg Class 7 Maths Ch 8 in Hindi · division को ग़ायब factor वाले NCERT Class 7 Maths Chapter 8 in Hindi · कक्षा 7, अध्याय 8, हिंदी में. Restating a division as a missing-factor multiplication. https://prepshorts.com/v/g07-maths-ch08-m02-t01/index.m3u8 545 2026-08-28 yes no no https://prepshorts.com/learn/class-7/maths/working-with-fractions/reciprocals-and-brahmagupta-s-rule-for-dividing-fractions2026-10-03 https://prepshorts.com/poster/g07-maths-ch08-m02-t02-1280.716393ac01.jpg Reciprocals, and Brahmagupta's rule for dividing fractions NCERT Class 7 Maths Ganita Prakash, Chapter 8. “Turn the second one upside down and multiply” is a conclusion, not a rule. Brahmagupta wrote down why. https://prepshorts.com/v/g07-maths-ch08-m02-t02/index.m3u8 617 2026-08-28 yes no no https://prepshorts.com/learn/class-7/maths/working-with-fractions/reciprocals-and-brahmagupta-s-rule-for-dividing-fractions/hi2026-10-03 https://prepshorts.com/poster/g07-maths-ch08-m02-t02-1280.716393ac01.jpg Class 7 Maths Ch 8 in Hindi · reciprocals NCERT Class 7 Maths Chapter 8 in Hindi · कक्षा 7, अध्याय 8, हिंदी में. उल्टा करो और गुणा करो: यह नियम है, या किसी बात का नतीजा? https://prepshorts.com/v/g07-maths-ch08-m02-t02/index.m3u8 617 2026-08-28 yes no no https://prepshorts.com/learn/class-7/maths/working-with-fractions/why-dividing-can-make-a-number-bigger2026-10-03 https://prepshorts.com/poster/g07-maths-ch08-m02-t03-1280.e599336968.jpg Why does dividing by a fraction give a bigger number? NCERT Class 7 Maths Ganita Prakash, Chapter 8. 6 ÷ ¼ = 24. Produce a division whose quotient exceeds its dividend, and one whose quotient falls below it. https://prepshorts.com/v/g07-maths-ch08-m02-t03/index.m3u8 586 2026-08-28 yes no no https://prepshorts.com/learn/class-7/maths/working-with-fractions/why-dividing-can-make-a-number-bigger/hi2026-10-03 https://prepshorts.com/poster/g07-maths-ch08-m02-t03-1280.e599336968.jpg Class 7 Maths Ch 8 in Hindi · भाग देने से number बड़ा क्यों NCERT Class 7 Maths Chapter 8 in Hindi · कक्षा 7, अध्याय 8, हिंदी में. भाग देने से संख्या हमेशा छोटी होती है? यहाँ 6 भाग 3, जवाब 2, और 2 तो 6 से छोटा है।. https://prepshorts.com/v/g07-maths-ch08-m02-t03/index.m3u8 586 2026-08-28 yes no no https://prepshorts.com/learn/class-7/maths/working-with-fractions/fractional-relations-between-two-quantities2026-10-03 https://prepshorts.com/poster/g07-maths-ch08-m03-t01-1280.5232e5487c.jpg Fractional relations between two quantities NCERT Class 7 Maths Ganita Prakash, Chapter 8. Nobody measures the miser's gift against a whole coin. Then the square. https://prepshorts.com/v/g07-maths-ch08-m03-t01/index.m3u8 601 2026-08-28 yes no no https://prepshorts.com/learn/class-7/maths/working-with-fractions/fractional-relations-between-two-quantities/hi2026-10-03 https://prepshorts.com/poster/g07-maths-ch08-m03-t01-1280.5232e5487c.jpg Class 7 Maths Ch 8 in Hindi · दो quantities के बीच fraction NCERT Class 7 Maths Chapter 8 in Hindi · कक्षा 7, अध्याय 8, हिंदी में. Fractional relations between two quantities. https://prepshorts.com/v/g07-maths-ch08-m03-t01/index.m3u8 601 2026-08-28 yes no no https://prepshorts.com/learn/class-7/maths/geometric-twins/same-shape-and-same-size-superimposition-as-the-test2026-10-03 https://prepshorts.com/poster/g07-maths-ch09-m01-t01-1280.d02e684d99.jpg Same shape and same size: superimposition as the test NCERT Class 7 Maths Ganita Prakash, Chapter 1. A sign painter must reproduce a symbol on a board standing somewhere else. https://prepshorts.com/v/g07-maths-ch09-m01-t01/index.m3u8 597 2026-08-28 yes no no https://prepshorts.com/learn/class-7/maths/geometric-twins/same-shape-and-same-size-superimposition-as-the-test/hi2026-10-03 https://prepshorts.com/poster/g07-maths-ch09-m01-t01-1280.d02e684d99.jpg Class 7 Maths Ch 1 in Hindi · आकार भी वही, माप भी वही NCERT Class 7 Maths Chapter 1 in Hindi · कक्षा 7, अध्याय 1, हिंदी में. बोर्ड पर बना निशान, दूसरे बोर्ड पर हूबहू कैसे पहुँचे, बिना tracing के? https://prepshorts.com/v/g07-maths-ch09-m01-t01/index.m3u8 597 2026-08-28 yes no no https://prepshorts.com/learn/class-7/maths/geometric-twins/sss-three-sidelengths-fix-a-triangle-completely2026-10-03 https://prepshorts.com/poster/g07-maths-ch09-m02-t01-1280.02dcd3c8c9.jpg SSS: three sidelengths fix a triangle completely NCERT Class 7 Maths Ganita Prakash, Chapter 1. A triangular frame stands on the grass, wider than any ruler in the school. https://prepshorts.com/v/g07-maths-ch09-m02-t01/index.m3u8 589 2026-08-28 yes no no https://prepshorts.com/learn/class-7/maths/geometric-twins/sss-three-sidelengths-fix-a-triangle-completely/hi2026-10-03 https://prepshorts.com/poster/g07-maths-ch09-m02-t01-1280.02dcd3c8c9.jpg Class 7 Maths Ch 1 in Hindi · SSS: तीन sidelengths NCERT Class 7 Maths Ch 1 in Hindi · कक्षा 7, अध्याय 1, हिंदी में. 3 लंबाइयों से त्रिभुज बनाओ, तो circles 2 जगह मिलते हैं, यानी 2 त्रिभुज। फिर नकल पक्की कैसे? https://prepshorts.com/v/g07-maths-ch09-m02-t01/index.m3u8 589 2026-08-28 yes no no https://prepshorts.com/learn/class-7/maths/geometric-twins/naming-congruent-figures-so-the-correspondence-is2026-10-03 https://prepshorts.com/poster/g07-maths-ch09-m02-t02-1280.c0c139b206.jpg Naming congruent figures correctly NCERT Class 7 Maths Ganita Prakash, Chapter 1. The congruence sign is not the equals sign. The congruence sign is not the equals sign. https://prepshorts.com/v/g07-maths-ch09-m02-t02/index.m3u8 567 2026-08-28 yes no no https://prepshorts.com/learn/class-7/maths/geometric-twins/naming-congruent-figures-so-the-correspondence-is/hi2026-10-03 https://prepshorts.com/poster/g07-maths-ch09-m02-t02-1280.c0c139b206.jpg Class 7 Maths Ch 1 in Hindi · congruent आकृतियों को ऐसे नाम NCERT Class 7 Maths Chapter 1 in Hindi · कक्षा 7, अध्याय 1, हिंदी में. Naming congruent figures so the correspondence is unambiguous. https://prepshorts.com/v/g07-maths-ch09-m02-t02/index.m3u8 567 2026-08-28 yes no no https://prepshorts.com/learn/class-7/maths/geometric-twins/sas-and-why-the-angle-has-to-be-the-included-one2026-10-03 https://prepshorts.com/poster/g07-maths-ch09-m02-t03-1280.4d5f2c95b8.jpg SAS congruence: why the angle must be included NCERT Class 7 Maths Ganita Prakash, Chapter 1. The word included carries the whole of the SAS condition. So at least one length is needed. https://prepshorts.com/v/g07-maths-ch09-m02-t03/index.m3u8 549 2026-08-28 yes no no https://prepshorts.com/learn/class-7/maths/geometric-twins/sas-and-why-the-angle-has-to-be-the-included-one/hi2026-10-03 https://prepshorts.com/poster/g07-maths-ch09-m02-t03-1280.4d5f2c95b8.jpg Class 7 Maths Ch 1 in Hindi · SAS, और angle का included होना NCERT Class 7 Maths Chapter 1 in Hindi · कक्षा 7, अध्याय 1, हिंदी में. SAS, and why the angle has to be the included one. https://prepshorts.com/v/g07-maths-ch09-m02-t03/index.m3u8 549 2026-08-28 yes no no https://prepshorts.com/learn/class-7/maths/geometric-twins/asa-and-aas-two-angles-are-enough-to-fix-the-third2026-10-03 https://prepshorts.com/poster/g07-maths-ch09-m02-t04-1280.f944cf0f7c.jpg ASA and AAS: two angles are enough to fix the third NCERT Class 7 Maths Ganita Prakash, Chapter 1. AAS looks like a fifth thing to memorise. Construct a triangle from one side and the two angles at its ends. https://prepshorts.com/v/g07-maths-ch09-m02-t04/index.m3u8 582 2026-08-28 yes no no https://prepshorts.com/learn/class-7/maths/geometric-twins/asa-and-aas-two-angles-are-enough-to-fix-the-third/hi2026-10-03 https://prepshorts.com/poster/g07-maths-ch09-m02-t04-1280.f944cf0f7c.jpg Class 7 Maths Ch 1 in Hindi · ASA और AAS NCERT Class 7 Maths Chapter 1 in Hindi · कक्षा 7, अध्याय 1, हिंदी में. ASA and AAS: two angles are enough to fix the third. https://prepshorts.com/v/g07-maths-ch09-m02-t04/index.m3u8 582 2026-08-28 yes no no https://prepshorts.com/learn/class-7/maths/geometric-twins/rhs-the-right-angled-special-case2026-10-03 https://prepshorts.com/poster/g07-maths-ch09-m02-t05-1280.3304b25122.jpg RHS: the right-angled special case NCERT Class 7 Maths Ganita Prakash, Chapter 1. RHS is not an exception bolted onto the SSA warning. It is the case where the SSA ambiguity turns harmless. https://prepshorts.com/v/g07-maths-ch09-m02-t05/index.m3u8 551 2026-08-28 yes no no https://prepshorts.com/learn/class-7/maths/geometric-twins/rhs-the-right-angled-special-case/hi2026-10-03 https://prepshorts.com/poster/g07-maths-ch09-m02-t05-1280.3304b25122.jpg Class 7 Maths Ch 1 in Hindi · RHS: right angle वाली ख़ास NCERT Class 7 Maths Chapter 1 in Hindi · कक्षा 7, अध्याय 1, हिंदी में. RHS: the right-angled special case. B C बराबर Y Z, 4 सेंटीमीटर।. https://prepshorts.com/v/g07-maths-ch09-m02-t05/index.m3u8 551 2026-08-28 yes no no https://prepshorts.com/learn/class-7/maths/geometric-twins/angles-opposite-equal-sides-are-equal2026-10-03 https://prepshorts.com/poster/g07-maths-ch09-m03-t01-1280.34a0e498f0.jpg Angles opposite equal sides are equal NCERT Class 7 Maths Ganita Prakash, Chapter 1. Congruence has been a test: two triangles arrive and you decide. https://prepshorts.com/v/g07-maths-ch09-m03-t01/index.m3u8 505 2026-08-28 yes no no https://prepshorts.com/learn/class-7/maths/geometric-twins/angles-opposite-equal-sides-are-equal/hi2026-10-03 https://prepshorts.com/poster/g07-maths-ch09-m03-t01-1280.34a0e498f0.jpg Class 7 Maths Ch 1 in Hindi · बराबर भुजाओं के सामने वाले NCERT Class 7 Maths Chapter 1 in Hindi · कक्षा 7, अध्याय 1, हिंदी में. Angles opposite equal sides are equal. त्रिभुज A B C, ऊपर A, नीचे बाएँ B, नीचे दाएँ C।. https://prepshorts.com/v/g07-maths-ch09-m03-t01/index.m3u8 505 2026-08-28 yes no no https://prepshorts.com/learn/class-7/maths/geometric-twins/why-every-equilateral-triangle-has-three-60-angles2026-10-03 https://prepshorts.com/poster/g07-maths-ch09-m03-t02-1280.dde21b4808.jpg Why is each angle of an equilateral triangle 60°? NCERT Class 7 Maths Ganita Prakash, Chapter 1. Equilateral is a claim about lengths — three sides the same, nothing at all about angles. https://prepshorts.com/v/g07-maths-ch09-m03-t02/index.m3u8 528 2026-08-28 yes no no https://prepshorts.com/learn/class-7/maths/geometric-twins/why-every-equilateral-triangle-has-three-60-angles/hi2026-10-03 https://prepshorts.com/poster/g07-maths-ch09-m03-t02-1280.dde21b4808.jpg Class 7 Maths Ch 1 in Hindi · हर equilateral triangle NCERT Class 7 Maths Chapter 1 in Hindi · कक्षा 7, अध्याय 1, हिंदी में. equilateral शब्द सिर्फ़ भुजाओं की बात करता है, angles की नहीं। तो हर angle 60 क्यों? https://prepshorts.com/v/g07-maths-ch09-m03-t02/index.m3u8 528 2026-08-28 yes no no https://prepshorts.com/learn/class-7/maths/operations-with-integers/negative-numbers-on-the-number-line-and-adding-and2026-10-03 https://prepshorts.com/poster/g07-maths-ch10-m01-t01-1280.a0b1bd06f0.jpg Adding and subtracting negative numbers Class 7 Maths Ganita Prakash, Ch 2. A signed number is a piece of compression, and a puck sliding on a straight track is the argument for paying its price. https://prepshorts.com/v/g07-maths-ch10-m01-t01/index.m3u8 553 2026-08-28 yes no no https://prepshorts.com/learn/class-7/maths/operations-with-integers/negative-numbers-on-the-number-line-and-adding-and/hi2026-10-03 https://prepshorts.com/poster/g07-maths-ch10-m01-t01-1280.a0b1bd06f0.jpg Class 7 Maths Ch 2 in Hindi · number line पर negative NCERT Class 7 Maths Chapter 2 in Hindi · कक्षा 7, अध्याय 2, हिंदी में. जोड़ 25, अंतर minus 11: क्या अंतर minus हो सकता है? https://prepshorts.com/v/g07-maths-ch10-m01-t01/index.m3u8 553 2026-08-28 yes no no https://prepshorts.com/learn/class-7/maths/operations-with-integers/why-a-negative-times-a-negative-must-be-positive2026-10-03 https://prepshorts.com/poster/g07-maths-ch10-m02-t01-1280.466387704a.jpg Why is a negative times a negative positive? NCERT Class 7 Maths Ganita Prakash, Chapter 2. You cannot count your way to (−4) × (−2). There is no such thing as adding something minus four times. https://prepshorts.com/v/g07-maths-ch10-m02-t01/index.m3u8 585 2026-08-28 yes no no https://prepshorts.com/learn/class-7/maths/operations-with-integers/why-a-negative-times-a-negative-must-be-positive/hi2026-10-03 https://prepshorts.com/poster/g07-maths-ch10-m02-t01-1280.466387704a.jpg Class 7 Maths Ch 2 in Hindi · negative गुणा negative NCERT Class 7 Maths Chapter 2 in Hindi · कक्षा 7, अध्याय 2, हिंदी में. minus 4 गुणा minus 2 कितना? गिनकर जवाब नहीं मिलता।. https://prepshorts.com/v/g07-maths-ch10-m02-t01/index.m3u8 585 2026-08-28 yes no no https://prepshorts.com/learn/class-7/maths/operations-with-integers/the-sign-rule-for-division-and-why-it-follows-from2026-10-03 https://prepshorts.com/poster/g07-maths-ch10-m02-t02-1280.c7b536b05a.jpg The sign rule for dividing integers NCERT Class 7 Maths Ganita Prakash, Chapter 2. Division of integers gets no picture of its own — no bag, no tokens, no staircase. https://prepshorts.com/v/g07-maths-ch10-m02-t02/index.m3u8 581 2026-08-28 yes no no https://prepshorts.com/learn/class-7/maths/operations-with-integers/the-sign-rule-for-division-and-why-it-follows-from/hi2026-10-03 https://prepshorts.com/poster/g07-maths-ch10-m02-t02-1280.c7b536b05a.jpg Class 7 Maths Ch 2 in Hindi · division का sign नियम NCERT Class 7 Maths Chapter 2 in Hindi · कक्षा 7, अध्याय 2, हिंदी में. minus 100 बटा 25 कितना? इसे गुणा की तरह पूछो: 25 को किससे गुणा करें कि minus 100 मिले? https://prepshorts.com/v/g07-maths-ch10-m02-t02/index.m3u8 581 2026-08-28 yes no no https://prepshorts.com/learn/class-7/maths/operations-with-integers/magic-grids-of-integers2026-10-03 https://prepshorts.com/poster/g07-maths-ch10-m02-t03-1280.565d081ef9.jpg Magic grids of integers NCERT Class 7 Maths Ganita Prakash, Chapter 2. Sixteen integers and three rules: circle a number, strike out its row and column, repeat. https://prepshorts.com/v/g07-maths-ch10-m02-t03/index.m3u8 548 2026-08-28 yes no no https://prepshorts.com/learn/class-7/maths/operations-with-integers/magic-grids-of-integers/hi2026-10-03 https://prepshorts.com/poster/g07-maths-ch10-m02-t03-1280.565d081ef9.jpg Class 7 Maths Ch 2 in Hindi · integers के जादुई grids NCERT Class 7 Maths Chapter 2 in Hindi · कक्षा 7, अध्याय 2, हिंदी में. Magic grids of integers. कोई भी एक संख्या चुनो, उस पर घेरा लगाओ।. https://prepshorts.com/v/g07-maths-ch10-m02-t03/index.m3u8 548 2026-08-28 yes no no https://prepshorts.com/learn/class-7/maths/operations-with-integers/commutative-associative-and-distributive-over-the-integers2026-10-03 https://prepshorts.com/poster/g07-maths-ch10-m03-t01-1280.2563186d75.jpg Commutative, associative, and distributive over the integers NCERT Class 7 Maths Ganita Prakash, Chapter 2. You already know these three laws, and that is exactly the problem. https://prepshorts.com/v/g07-maths-ch10-m03-t01/index.m3u8 617 2026-08-28 yes no no https://prepshorts.com/learn/class-7/maths/operations-with-integers/commutative-associative-and-distributive-over-the-integers/hi2026-10-03 https://prepshorts.com/poster/g07-maths-ch10-m03-t01-1280.2563186d75.jpg Class 7 Maths Ch 2 in Hindi · integers पर commutative NCERT Class 7 Maths Chapter 2 in Hindi · कक्षा 7, अध्याय 2, हिंदी में. जब गुणा में negative संख्याएँ आईं, तो क्या गुणा की पुरानी आदतें टूटीं? https://prepshorts.com/v/g07-maths-ch10-m03-t01/index.m3u8 617 2026-08-28 yes no no https://prepshorts.com/learn/class-7/maths/operations-with-integers/evaluating-expressions-that-mix-integers-and-brackets2026-10-03 https://prepshorts.com/poster/g07-maths-ch10-m03-t02-1280.226b723e2f.jpg Evaluating expressions that mix integers and brackets Class 7 Maths. One habit is worth more than any technique here: when a situation turns into arithmetic, write the whole plan down before computing anything. https://prepshorts.com/v/g07-maths-ch10-m03-t02/index.m3u8 588 2026-08-28 yes no no https://prepshorts.com/learn/class-7/maths/operations-with-integers/evaluating-expressions-that-mix-integers-and-brackets/hi2026-10-03 https://prepshorts.com/poster/g07-maths-ch10-m03-t02-1280.226b723e2f.jpg Class 7 Maths Ch 2 in Hindi · integers और brackets वाले NCERT Class 7 Maths Chapter 2 in Hindi · कक्षा 7, अध्याय 2, हिंदी में. Evaluating expressions that mix integers and brackets. https://prepshorts.com/v/g07-maths-ch10-m03-t02/index.m3u8 588 2026-08-28 yes no no https://prepshorts.com/learn/class-7/maths/finding-common-ground/breaking-a-number-down-to-primes-and-why-the-result-is2026-10-03 https://prepshorts.com/poster/g07-maths-ch11-m01-t01-1280.80cf323ca8.jpg Breaking a number into its prime factors NCERT Class 7 Maths Ganita Prakash, Chapter 3. Pull 90 apart wherever you like — 3 × 30, or 2 × 45, or 9 × 10. https://prepshorts.com/v/g07-maths-ch11-m01-t01/index.m3u8 624 2026-08-28 yes no no https://prepshorts.com/learn/class-7/maths/finding-common-ground/breaking-a-number-down-to-primes-and-why-the-result-is/hi2026-10-03 https://prepshorts.com/poster/g07-maths-ch11-m01-t01-1280.80cf323ca8.jpg Class 7 Maths Ch 3 in Hindi · किसी संख्या को primes NCERT Class 7 Maths Chapter 3 in Hindi · कक्षा 7, अध्याय 3, हिंदी में. Breaking a number down to primes, and why the result is unique. https://prepshorts.com/v/g07-maths-ch11-m01-t01/index.m3u8 624 2026-08-28 yes no no https://prepshorts.com/learn/class-7/maths/finding-common-ground/reading-every-factor-of-a-number-off-its-prime-factorisation2026-10-03 https://prepshorts.com/poster/g07-maths-ch11-m01-t02-1280.c51db7e0d4.jpg Reading every factor of a number off its prime factorisation NCERT Class 7 Maths Ganita Prakash, Chapter 3. Is 28 a factor of 840? You could divide and see. That works, and it teaches you nothing. https://prepshorts.com/v/g07-maths-ch11-m01-t02/index.m3u8 587 2026-08-28 yes no no https://prepshorts.com/learn/class-7/maths/finding-common-ground/reading-every-factor-of-a-number-off-its-prime-factorisation/hi2026-10-03 https://prepshorts.com/poster/g07-maths-ch11-m01-t02-1280.c51db7e0d4.jpg Class 7 Maths Ch 3 in Hindi · किसी संख्या के सारे factors NCERT Class 7 Maths Chapter 3 in Hindi · कक्षा 7, अध्याय 3, हिंदी में. क्या 840 का factor 28 है? एक सवाल, क्या 840 का factor 28 है? https://prepshorts.com/v/g07-maths-ch11-m01-t02/index.m3u8 587 2026-08-28 yes no no https://prepshorts.com/learn/class-7/maths/finding-common-ground/hcf-take-the-fewest-occurrences-of-each-prime2026-10-03 https://prepshorts.com/poster/g07-maths-ch11-m02-t01-1280.89aea4261f.jpg How to find HCF by prime factorisation NCERT Class 7 Maths Ganita Prakash, Chapter 3. A room 12 ft by 16 ft, square tiles, whole feet, as few as possible. https://prepshorts.com/v/g07-maths-ch11-m02-t01/index.m3u8 599 2026-08-28 yes no no https://prepshorts.com/learn/class-7/maths/finding-common-ground/hcf-take-the-fewest-occurrences-of-each-prime/hi2026-10-03 https://prepshorts.com/poster/g07-maths-ch11-m02-t01-1280.89aea4261f.jpg Class 7 Maths Ch 3 in Hindi · HCF: हर prime की सबसे कम गिनती NCERT Class 7 Maths Chapter 3 in Hindi · कक्षा 7, अध्याय 3, हिंदी में. HCF: take the fewest occurrences of each prime. https://prepshorts.com/v/g07-maths-ch11-m02-t01/index.m3u8 599 2026-08-28 yes no no https://prepshorts.com/learn/class-7/maths/finding-common-ground/lcm-take-the-most-occurrences-of-each-prime2026-10-03 https://prepshorts.com/poster/g07-maths-ch11-m02-t02-1280.468f024e05.jpg How to find LCM by prime factorisation NCERT Class 7 Maths Ganita Prakash, Chapter 3. Two paper chains, one of 6 cm links and one of 8 cm, whole links only, both finishing at the same length. https://prepshorts.com/v/g07-maths-ch11-m02-t02/index.m3u8 632 2026-08-28 yes no no https://prepshorts.com/learn/class-7/maths/finding-common-ground/lcm-take-the-most-occurrences-of-each-prime/hi2026-10-03 https://prepshorts.com/poster/g07-maths-ch11-m02-t02-1280.468f024e05.jpg Class 7 Maths Ch 3 in Hindi · LCM: हर prime की सबसे ज़्यादा NCERT Class 7 Maths Ch 3 in Hindi · कक्षा 7, अध्याय 3 हिंदी. 6 सेंटीमीटर और 8 सेंटीमीटर की पट्टियों की दो झालरें पहली बार बराबर लंबाई पर कहाँ खत्म होती हैं? https://prepshorts.com/v/g07-maths-ch11-m02-t02/index.m3u8 632 2026-08-28 yes no no https://prepshorts.com/learn/class-7/maths/finding-common-ground/what-hcf-and-lcm-do-for-consecutive-even-and-co-prime2026-10-03 https://prepshorts.com/poster/g07-maths-ch11-m03-t01-1280.688b54a4a3.jpg HCF and LCM of special number pairs NCERT Class 7 Maths Ganita Prakash, Chapter 3. 6 and 18 have an HCF of 6 — and 6 was one of the numbers we started with. https://prepshorts.com/v/g07-maths-ch11-m03-t01/index.m3u8 633 2026-08-28 yes no no https://prepshorts.com/learn/class-7/maths/finding-common-ground/what-hcf-and-lcm-do-for-consecutive-even-and-co-prime/hi2026-10-03 https://prepshorts.com/poster/g07-maths-ch11-m03-t01-1280.688b54a4a3.jpg Class 7 Maths Ch 3 in Hindi · क्रमागत, सम और co-prime NCERT Class 7 Maths Chapter 3 in Hindi · कक्षा 7, अध्याय 3, हिंदी में. What HCF and LCM do for consecutive, even, and co-prime numbers. https://prepshorts.com/v/g07-maths-ch11-m03-t01/index.m3u8 633 2026-08-28 yes no no https://prepshorts.com/learn/class-7/maths/finding-common-ground/getting-the-hcf-and-the-lcm-out-of-one-division-ladder2026-10-03 https://prepshorts.com/poster/g07-maths-ch11-m03-t02-1280.68691c0a27.jpg HCF and LCM by the division (ladder) method Class 7 Maths Ganita Prakash, Ch 3. A layout arrives with nothing on it labelled: 84 and 180 at the top, some numbers down the left, a closing row underneath. https://prepshorts.com/v/g07-maths-ch11-m03-t02/index.m3u8 585 2026-08-28 yes no no https://prepshorts.com/learn/class-7/maths/finding-common-ground/getting-the-hcf-and-the-lcm-out-of-one-division-ladder/hi2026-10-03 https://prepshorts.com/poster/g07-maths-ch11-m03-t02-1280.68691c0a27.jpg Class 7 Maths Ch 3 in Hindi · एक ही division ladder से HCF NCERT Class 7 Maths Chapter 3 in Hindi · कक्षा 7, अध्याय 3, हिंदी में. Getting the HCF and the LCM out of one division ladder. https://prepshorts.com/v/g07-maths-ch11-m03-t02/index.m3u8 585 2026-08-28 yes no no https://prepshorts.com/learn/class-7/maths/finding-common-ground/conjecture-and-generalisation-what-mathematicians-mean-by2026-10-03 https://prepshorts.com/poster/g07-maths-ch11-m03-t03-1280.0d2ca1afcd.jpg What a conjecture is in mathematics NCERT Class 7 Maths Ganita Prakash, Chapter 3. This one is not about factors. Say what makes a claim a conjecture rather than an established fact. https://prepshorts.com/v/g07-maths-ch11-m03-t03/index.m3u8 618 2026-08-28 yes no no https://prepshorts.com/learn/class-7/maths/finding-common-ground/conjecture-and-generalisation-what-mathematicians-mean-by/hi2026-10-03 https://prepshorts.com/poster/g07-maths-ch11-m03-t03-1280.0d2ca1afcd.jpg Class 7 Maths Ch 3 in Hindi · Conjecture और generalisation NCERT Class 7 Maths Chapter 3 in Hindi · कक्षा 7, अध्याय 3, हिंदी में. Conjecture and generalisation: what mathematicians mean by those words. https://prepshorts.com/v/g07-maths-ch11-m03-t03/index.m3u8 618 2026-08-28 yes no no https://prepshorts.com/learn/class-7/maths/another-peek-beyond-the-point/multiply-as-whole-numbers-then-count-the-decimal-digits2026-10-03 https://prepshorts.com/poster/g07-maths-ch12-m02-t01-1280.0acfa545bd.jpg Multiply as whole numbers, then count the decimal digits NCERT Class 7 Maths Ganita Prakash, Chapter 4. Multiply the digits, then count the decimal places and add them. https://prepshorts.com/v/g07-maths-ch12-m02-t01/index.m3u8 660 2026-08-28 yes no no https://prepshorts.com/learn/class-7/maths/another-peek-beyond-the-point/multiply-as-whole-numbers-then-count-the-decimal-digits/hi2026-10-03 https://prepshorts.com/poster/g07-maths-ch12-m02-t01-1280.0acfa545bd.jpg Class 7 Maths Ch 4 in Hindi · पूर्ण संख्याओं की तरह गुणा NCERT Class 7 Maths Chapter 4 in Hindi · कक्षा 7, अध्याय 4, हिंदी में. 9.5 सेंटीमीटर के 5 टुकड़े जोड़ना आसान, पर 12.5 गुणा 7.5 में कितनी बार जोड़ें? https://prepshorts.com/v/g07-maths-ch12-m02-t01/index.m3u8 660 2026-08-28 yes no no https://prepshorts.com/learn/class-7/maths/another-peek-beyond-the-point/why-multiplying-by-a-decimal-below-1-shrinks-a-number2026-10-03 https://prepshorts.com/poster/g07-maths-ch12-m02-t02-1280.fca4a4690a.jpg Multiplying by a decimal below 1: why it shrinks NCERT Class 7 Maths Ganita Prakash, Chapter 4. “Multiplying makes things bigger” is the first rule anybody learns about multiplication, and it is false. https://prepshorts.com/v/g07-maths-ch12-m02-t02/index.m3u8 606 2026-08-28 yes no no https://prepshorts.com/learn/class-7/maths/another-peek-beyond-the-point/why-multiplying-by-a-decimal-below-1-shrinks-a-number/hi2026-10-03 https://prepshorts.com/poster/g07-maths-ch12-m02-t02-1280.fca4a4690a.jpg Class 7 Maths Ch 4 in Hindi · 1 से छोटे decimal से गुणा करने NCERT Class 7 Maths Chapter 4 in Hindi · कक्षा 7, अध्याय 4, हिंदी में. गुणा करो तो संख्या बड़ी होती है? जैसे 3 गुणा 4, यानी 12, दोनों से बड़ा।. https://prepshorts.com/v/g07-maths-ch12-m02-t02/index.m3u8 606 2026-08-28 yes no no https://prepshorts.com/learn/class-7/maths/another-peek-beyond-the-point/long-division-continued-past-the-ones-place2026-10-03 https://prepshorts.com/poster/g07-maths-ch12-m03-t01-1280.75faaf0696.jpg Long division continued past the ones place NCERT Class 7 Maths Ganita Prakash, Chapter 4. Where does the point go in a division answer? Explain why ten divided by three cannot be handled that way. https://prepshorts.com/v/g07-maths-ch12-m03-t01/index.m3u8 640 2026-08-28 yes no no https://prepshorts.com/learn/class-7/maths/another-peek-beyond-the-point/long-division-continued-past-the-ones-place/hi2026-10-03 https://prepshorts.com/poster/g07-maths-ch12-m03-t01-1280.75faaf0696.jpg Class 7 Maths Ch 4 in Hindi · इकाई के स्थान के पार चलता long NCERT Class 7 Maths Chapter 4 in Hindi · कक्षा 7, अध्याय 4, हिंदी में. Long division continued past the ones place. https://prepshorts.com/v/g07-maths-ch12-m03-t01/index.m3u8 640 2026-08-28 yes no no https://prepshorts.com/learn/class-7/maths/another-peek-beyond-the-point/dividing-when-the-dividend-has-a-decimal2026-10-03 https://prepshorts.com/poster/g07-maths-ch12-m03-t02-1280.2188975e38.jpg Dividing when the dividend has a decimal NCERT Class 7 Maths Ganita Prakash, Chapter 4. Everybody can divide by ten. Divide a decimal by 10, 100 or 1000 and say where the point ends up. https://prepshorts.com/v/g07-maths-ch12-m03-t02/index.m3u8 625 2026-08-28 yes no no https://prepshorts.com/learn/class-7/maths/another-peek-beyond-the-point/dividing-when-the-dividend-has-a-decimal/hi2026-10-03 https://prepshorts.com/poster/g07-maths-ch12-m03-t02-1280.2188975e38.jpg Class 7 Maths Ch 4 in Hindi · जब भाज्य में दशमलव हो तब भाग NCERT Class 7 Maths Chapter 4 in Hindi · कक्षा 7, अध्याय 4, हिंदी में. Dividing when the dividend has a decimal. https://prepshorts.com/v/g07-maths-ch12-m03-t02/index.m3u8 625 2026-08-28 yes no no https://prepshorts.com/learn/class-7/maths/another-peek-beyond-the-point/dividing-when-the-divisor-has-a-decimal2026-10-03 https://prepshorts.com/poster/g07-maths-ch12-m03-t03-1280.e1aee25772.jpg Dividing when the divisor has a decimal NCERT Class 7 Maths Ganita Prakash, Chapter 4. A divisor with a point in it is the one case long division cannot even begin. Not stall partway — begin. https://prepshorts.com/v/g07-maths-ch12-m03-t03/index.m3u8 649 2026-08-28 yes no no https://prepshorts.com/learn/class-7/maths/another-peek-beyond-the-point/dividing-when-the-divisor-has-a-decimal/hi2026-10-03 https://prepshorts.com/poster/g07-maths-ch12-m03-t03-1280.e1aee25772.jpg Class 7 Maths Ch 4 in Hindi · जब भाजक में दशमलव हो तब भाग NCERT Class 7 Maths Chapter 4 in Hindi · कक्षा 7, अध्याय 4, हिंदी में. Dividing when the divisor has a decimal. https://prepshorts.com/v/g07-maths-ch12-m03-t03/index.m3u8 649 2026-08-28 yes no no https://prepshorts.com/learn/class-7/maths/another-peek-beyond-the-point/divisions-that-never-end2026-10-03 https://prepshorts.com/poster/g07-maths-ch12-m03-t04-1280.e833bc6604.jpg Divisions that never end NCERT Class 7 Maths Ganita Prakash, Chapter 4. A division that never finishes is not a failure of patience. You can settle it long before you get bored. https://prepshorts.com/v/g07-maths-ch12-m03-t04/index.m3u8 595 2026-08-28 yes no no https://prepshorts.com/learn/class-7/maths/another-peek-beyond-the-point/divisions-that-never-end/hi2026-10-03 https://prepshorts.com/poster/g07-maths-ch12-m03-t04-1280.e833bc6604.jpg Class 7 Maths Ch 4 in Hindi · ऐसे भाग जो कभी ख़त्म नहीं होते NCERT Class 7 Maths Chapter 4 in Hindi · कक्षा 7, अध्याय 4, हिंदी में. Divisions that never end. यहाँ 10 को 3 से भाग करो, और एक सीधा सवाल।. https://prepshorts.com/v/g07-maths-ch12-m03-t04/index.m3u8 595 2026-08-28 yes no no https://prepshorts.com/learn/class-7/maths/another-peek-beyond-the-point/estimating-first-so-a-wrong-answer-is-visible2026-10-03 https://prepshorts.com/poster/g07-maths-ch12-m04-t01-1280.89cfe1f85f.jpg Estimating first, so a wrong answer is visible NCERT Class 7 Maths Ganita Prakash, Chapter 4. One circuit of the Sun takes 365.2422 days and a calendar counts 365. https://prepshorts.com/v/g07-maths-ch12-m04-t01/index.m3u8 624 2026-08-28 yes no no https://prepshorts.com/learn/class-7/maths/another-peek-beyond-the-point/estimating-first-so-a-wrong-answer-is-visible/hi2026-10-03 https://prepshorts.com/poster/g07-maths-ch12-m04-t01-1280.89cfe1f85f.jpg Class 7 Maths Ch 4 in Hindi · पहले अंदाज़ा लगाइए NCERT Class 7 Maths Chapter 4 in Hindi · कक्षा 7, अध्याय 4, हिंदी में. Estimating first, so a wrong answer is visible. https://prepshorts.com/v/g07-maths-ch12-m04-t01/index.m3u8 624 2026-08-28 yes no no https://prepshorts.com/learn/class-7/maths/connecting-the-dots/turning-a-vague-comparison-into-a-question-with-a-data2026-10-03 https://prepshorts.com/poster/g07-maths-ch13-m01-t01-1280.f6274f1305.jpg Turning a vague question into a data question NCERT Class 7 Maths Ganita Prakash, Chapter 5. Two friends are coming round: one five feet, one six; one a woman, one a man. Which is which? https://prepshorts.com/v/g07-maths-ch13-m01-t01/index.m3u8 572 2026-08-28 yes no no https://prepshorts.com/learn/class-7/maths/connecting-the-dots/turning-a-vague-comparison-into-a-question-with-a-data/hi2026-10-03 https://prepshorts.com/poster/g07-maths-ch13-m01-t01-1280.f6274f1305.jpg Class 7 Maths Ch 5 in Hindi · एक धुँधली तुलना को ऐसे सवाल NCERT Class 7 Maths Chapter 5 in Hindi · कक्षा 7, अध्याय 5, हिंदी में. 2 दोस्त, एक 5 फ़ुट का, एक 6 फ़ुट का: कौन आदमी, कौन औरत? https://prepshorts.com/v/g07-maths-ch13-m01-t01/index.m3u8 572 2026-08-28 yes no no https://prepshorts.com/learn/class-7/maths/connecting-the-dots/the-arithmetic-mean-as-fair-share2026-10-03 https://prepshorts.com/poster/g07-maths-ch13-m02-t01-1280.32f85a6b1f.jpg The arithmetic mean as fair-share NCERT Class 7 Maths Ganita Prakash, Chapter 5. Two batters, four matches each, four different summaries — and four different verdicts about who is better. https://prepshorts.com/v/g07-maths-ch13-m02-t01/index.m3u8 547 2026-08-28 yes no no https://prepshorts.com/learn/class-7/maths/connecting-the-dots/the-arithmetic-mean-as-fair-share/hi2026-10-03 https://prepshorts.com/poster/g07-maths-ch13-m02-t01-1280.32f85a6b1f.jpg Class 7 Maths Ch 5 in Hindi · समांतर माध्य (arithmetic mean) NCERT Class 7 Maths Chapter 5 in Hindi · कक्षा 7, अध्याय 5, हिंदी में. The arithmetic mean as fair-share. एक कहता है बराबर, क्योंकि दोनों 2 मैचों में आगे।. https://prepshorts.com/v/g07-maths-ch13-m02-t01/index.m3u8 547 2026-08-28 yes no no https://prepshorts.com/learn/class-7/maths/connecting-the-dots/dot-plots-seeing-spread-and-clustering-at-a-glance2026-10-03 https://prepshorts.com/poster/g07-maths-ch13-m02-t02-1280.d622055b15.jpg Dot plots: seeing spread and clustering at a glance NCERT Class 7 Maths Ganita Prakash, Chapter 5. Two towns, twelve months, twenty-four onion prices, one question: which town is dearer? https://prepshorts.com/v/g07-maths-ch13-m02-t02/index.m3u8 567 2026-08-28 yes no no https://prepshorts.com/learn/class-7/maths/connecting-the-dots/dot-plots-seeing-spread-and-clustering-at-a-glance/hi2026-10-03 https://prepshorts.com/poster/g07-maths-ch13-m02-t02-1280.d622055b15.jpg Class 7 Maths Ch 5 in Hindi · Dot plots NCERT Class 7 Maths Chapter 5 in Hindi · कक्षा 7, अध्याय 5, हिंदी में. Dot plots: seeing spread and clustering at a glance. https://prepshorts.com/v/g07-maths-ch13-m02-t02/index.m3u8 567 2026-08-28 yes no no https://prepshorts.com/learn/class-7/maths/connecting-the-dots/outliers-and-why-the-median-survives-them2026-10-03 https://prepshorts.com/poster/g07-maths-ch13-m02-t03-1280.1259292c3d.jpg Mean vs median: why outliers barely move the median NCERT Class 7 Maths Ganita Prakash, Chapter 5. Two families, eleven people, every height measured. The average says the second family is shorter. https://prepshorts.com/v/g07-maths-ch13-m02-t03/index.m3u8 607 2026-08-28 yes no no https://prepshorts.com/learn/class-7/maths/connecting-the-dots/outliers-and-why-the-median-survives-them/hi2026-10-03 https://prepshorts.com/poster/g07-maths-ch13-m02-t03-1280.1259292c3d.jpg Class 7 Maths Ch 5 in Hindi · Outliers NCERT Class 7 Maths Chapter 5 in Hindi · कक्षा 7, अध्याय 5, हिंदी में. Outliers, and why the median survives them. https://prepshorts.com/v/g07-maths-ch13-m02-t03/index.m3u8 607 2026-08-28 yes no no https://prepshorts.com/learn/class-7/maths/connecting-the-dots/why-one-number-is-never-enough-to-describe-a-data-set2026-10-03 https://prepshorts.com/poster/g07-maths-ch13-m02-t04-1280.e9f16088ac.jpg Why one average is not enough to describe data NCERT Class 7 Maths Ganita Prakash, Chapter 5. “How tall is your class?” has no one-number answer, and not because the question is sloppy. https://prepshorts.com/v/g07-maths-ch13-m02-t04/index.m3u8 549 2026-08-28 yes no no https://prepshorts.com/learn/class-7/maths/connecting-the-dots/why-one-number-is-never-enough-to-describe-a-data-set/hi2026-10-03 https://prepshorts.com/poster/g07-maths-ch13-m02-t04-1280.e9f16088ac.jpg Class 7 Maths Ch 5 in Hindi · किसी data set का वर्णन करने NCERT Class 7 Maths Chapter 5 in Hindi · कक्षा 7, अध्याय 5, हिंदी में. Why one number is never enough to describe a data set. https://prepshorts.com/v/g07-maths-ch13-m02-t04/index.m3u8 549 2026-08-28 yes no no https://prepshorts.com/learn/class-7/maths/connecting-the-dots/clustered-bar-graphs-comparing-across-categories-and-across2026-10-03 https://prepshorts.com/poster/g07-maths-ch13-m03-t01-1280.08939fcfcd.jpg Reading a clustered bar graph NCERT Class 7 Maths Ganita Prakash, Chapter 5. A year of onion prices in two towns, drawn as two graphs on identical scales. https://prepshorts.com/v/g07-maths-ch13-m03-t01/index.m3u8 594 2026-08-28 yes no no https://prepshorts.com/learn/class-7/maths/connecting-the-dots/clustered-bar-graphs-comparing-across-categories-and-across/hi2026-10-03 https://prepshorts.com/poster/g07-maths-ch13-m03-t01-1280.08939fcfcd.jpg Class 7 Maths Ch 5 in Hindi · Clustered bar graphs NCERT Class 7 Maths Chapter 5 in Hindi · कक्षा 7, अध्याय 5, हिंदी में. Clustered bar graphs: comparing across categories and across time. https://prepshorts.com/v/g07-maths-ch13-m03-t01/index.m3u8 594 2026-08-28 yes no no https://prepshorts.com/learn/class-7/maths/connecting-the-dots/telling-tall-tales-how-a-truthful-graph-still-misleads2026-10-03 https://prepshorts.com/poster/g07-maths-ch13-m04-t01-1280.a4c7e1f9ca.jpg Telling tall tales: how a truthful graph still misleads NCERT Class 7 Maths Ganita Prakash, Chapter 5. A family measures everybody, takes the average height, and builds a doorway exactly that tall. https://prepshorts.com/v/g07-maths-ch13-m04-t01/index.m3u8 631 2026-08-28 yes no no https://prepshorts.com/learn/class-7/maths/connecting-the-dots/telling-tall-tales-how-a-truthful-graph-still-misleads/hi2026-10-03 https://prepshorts.com/poster/g07-maths-ch13-m04-t01-1280.a4c7e1f9ca.jpg Class 7 Maths Ch 5 in Hindi · लंबी-चौड़ी कहानियाँ NCERT Class 7 Maths Chapter 5 in Hindi · कक्षा 7, अध्याय 5, हिंदी में. Telling tall tales: how a truthful graph still misleads. https://prepshorts.com/v/g07-maths-ch13-m04-t01/index.m3u8 631 2026-08-28 yes no no https://prepshorts.com/learn/class-7/maths/connecting-the-dots/why-every-answer-from-data-raises-the-next-question2026-10-03 https://prepshorts.com/poster/g07-maths-ch13-m04-t02-1280.b8b3d95b95.jpg Why every answer from data raises the next question NCERT Class 7 Maths Ganita Prakash, Chapter 5. Onions cost thirty-five a kilo. Any questions? Onions cost thirty-five a kilo. https://prepshorts.com/v/g07-maths-ch13-m04-t02/index.m3u8 543 2026-08-28 yes no no https://prepshorts.com/learn/class-7/maths/connecting-the-dots/why-every-answer-from-data-raises-the-next-question/hi2026-10-03 https://prepshorts.com/poster/g07-maths-ch13-m04-t02-1280.b8b3d95b95.jpg Class 7 Maths Ch 5 in Hindi · data से मिला हर जवाब अगला सवाल NCERT Class 7 Maths Chapter 5 in Hindi · कक्षा 7, अध्याय 5, हिंदी में. Why every answer from data raises the next question. https://prepshorts.com/v/g07-maths-ch13-m04-t02/index.m3u8 543 2026-08-28 yes no no https://prepshorts.com/learn/class-7/maths/constructions-and-tilings/the-perpendicular-bisector-and-the-equidistance-property2026-10-03 https://prepshorts.com/poster/g07-maths-ch14-m01-t01-1280.afbc2a42d6.jpg Constructing a perpendicular bisector NCERT Class 7 Maths Ganita Prakash, Chapter 6. A compass cannot be told what perpendicular means. All it can do is hold one distance while it turns. https://prepshorts.com/v/g07-maths-ch14-m01-t01/index.m3u8 543 2026-08-28 yes no no https://prepshorts.com/learn/class-7/maths/constructions-and-tilings/the-perpendicular-bisector-and-the-equidistance-property/hi2026-10-03 https://prepshorts.com/poster/g07-maths-ch14-m01-t01-1280.afbc2a42d6.jpg Class 7 Maths Ch 6 in Hindi · लंब समद्विभाजक NCERT Class 7 Maths Chapter 6 in Hindi · कक्षा 7, अध्याय 6, हिंदी में. The perpendicular bisector, and the equidistance property that justifies it. https://prepshorts.com/v/g07-maths-ch14-m01-t01/index.m3u8 543 2026-08-28 yes no no https://prepshorts.com/learn/class-7/maths/constructions-and-tilings/constructing-a-90-angle-at-a-chosen-point-on-a-line2026-10-03 https://prepshorts.com/poster/g07-maths-ch14-m01-t02-1280.2733c2ea4a.jpg Constructing a 90° angle at a chosen point on a line NCERT Class 7 Maths Ganita Prakash, Chapter 6. There is no second construction here. State the problem: a right angle wanted at a named point of a given line. https://prepshorts.com/v/g07-maths-ch14-m01-t02/index.m3u8 556 2026-08-28 yes no no https://prepshorts.com/learn/class-7/maths/constructions-and-tilings/constructing-a-90-angle-at-a-chosen-point-on-a-line/hi2026-10-03 https://prepshorts.com/poster/g07-maths-ch14-m01-t02-1280.2733c2ea4a.jpg Class 7 Maths Ch 6 in Hindi · line के किसी चुने हुए point NCERT Class 7 Maths Chapter 6 in Hindi · कक्षा 7, अध्याय 6, हिंदी में. Constructing a 90° angle at a chosen point on a line. https://prepshorts.com/v/g07-maths-ch14-m01-t02/index.m3u8 556 2026-08-28 yes no no https://prepshorts.com/learn/class-7/maths/constructions-and-tilings/a-stretched-rope-as-compass-and-straightedge-the-sulba-sutra2026-10-03 https://prepshorts.com/poster/g07-maths-ch14-m01-t03-1280.892efd1c30.jpg Śulba-Sūtra constructions with a rope NCERT Class 7 Maths Ganita Prakash, Chapter 6. A construction is not defined by the instrument you are holding. https://prepshorts.com/v/g07-maths-ch14-m01-t03/index.m3u8 557 2026-08-28 yes no no https://prepshorts.com/learn/class-7/maths/constructions-and-tilings/a-stretched-rope-as-compass-and-straightedge-the-sulba-sutra/hi2026-10-03 https://prepshorts.com/poster/g07-maths-ch14-m01-t03-1280.892efd1c30.jpg Class 7 Maths Ch 6 in Hindi · तनी हुई रस्सी NCERT Class 7 Maths Chapter 6 in Hindi · कक्षा 7, अध्याय 6, हिंदी में. A stretched rope as compass and straightedge: the Śulba-Sūtra constructions. https://prepshorts.com/v/g07-maths-ch14-m01-t03/index.m3u8 557 2026-08-28 yes no no https://prepshorts.com/learn/class-7/maths/constructions-and-tilings/bisecting-an-angle-and-halving-90-to-get-452026-10-03 https://prepshorts.com/poster/g07-maths-ch14-m02-t01-1280.9cc19cb17e.jpg Bisecting an angle, and halving 90° to get 45° NCERT Class 7 Maths Ganita Prakash, Chapter 6. Bisecting an angle is not a second construction to memorise. It is the first one, wearing different clothes. https://prepshorts.com/v/g07-maths-ch14-m02-t01/index.m3u8 570 2026-08-28 yes no no https://prepshorts.com/learn/class-7/maths/constructions-and-tilings/bisecting-an-angle-and-halving-90-to-get-45/hi2026-10-03 https://prepshorts.com/poster/g07-maths-ch14-m02-t01-1280.9cc19cb17e.jpg Class 7 Maths Ch 6 in Hindi · angle को bisect करना NCERT Class 7 Maths Chapter 6 in Hindi · कक्षा 7, अध्याय 6, हिंदी में. Bisecting an angle, and halving 90° to get 45°. https://prepshorts.com/v/g07-maths-ch14-m02-t01/index.m3u8 570 2026-08-28 yes no no https://prepshorts.com/learn/class-7/maths/constructions-and-tilings/copying-an-angle-and-why-triangle-congruence-proves-it-works2026-10-03 https://prepshorts.com/poster/g07-maths-ch14-m02-t02-1280.0c5939308d.jpg Copying an angle with compasses NCERT Class 7 Maths Ganita Prakash, Chapter 6. A compass carries a length. It cannot carry an angle — there is nothing on the instrument that holds one. https://prepshorts.com/v/g07-maths-ch14-m02-t02/index.m3u8 542 2026-08-28 yes no no https://prepshorts.com/learn/class-7/maths/constructions-and-tilings/copying-an-angle-and-why-triangle-congruence-proves-it-works/hi2026-10-03 https://prepshorts.com/poster/g07-maths-ch14-m02-t02-1280.0c5939308d.jpg Class 7 Maths Ch 6 in Hindi · angle की copy बनाना NCERT Class 7 Maths Chapter 6 in Hindi · कक्षा 7, अध्याय 6, हिंदी में. compass एक लंबाई याद रखता है, angle नहीं। तो angle की नकल कैसे बने? https://prepshorts.com/v/g07-maths-ch14-m02-t02/index.m3u8 542 2026-08-28 yes no no https://prepshorts.com/learn/class-7/maths/constructions-and-tilings/constructing-60-from-an-equilateral-triangle-and-the-arches2026-10-03 https://prepshorts.com/poster/g07-maths-ch14-m02-t03-1280.2c2957db6f.jpg Constructing a 60° angle NCERT Class 7 Maths Ganita Prakash, Chapter 6. An arch is a curve, and a curve is the one thing a hand cannot repeat. https://prepshorts.com/v/g07-maths-ch14-m02-t03/index.m3u8 528 2026-08-28 yes no no https://prepshorts.com/learn/class-7/maths/constructions-and-tilings/constructing-60-from-an-equilateral-triangle-and-the-arches/hi2026-10-03 https://prepshorts.com/poster/g07-maths-ch14-m02-t03-1280.2c2957db6f.jpg Class 7 Maths Ch 6 in Hindi · equilateral triangle से 60° NCERT Class 7 Maths Ch 6 in Hindi · कक्षा 7, अध्याय 6 हिंदी. arch का curve हाथ से 2 बार एक जैसा नहीं बनता - इसलिए पहले सीधी lines का ढाँचा, फिर curves।. https://prepshorts.com/v/g07-maths-ch14-m02-t03/index.m3u8 528 2026-08-28 yes no no https://prepshorts.com/learn/class-7/maths/constructions-and-tilings/regular-hexagons-and-why-the-angles-round-a-point-must-total2026-10-03 https://prepshorts.com/poster/g07-maths-ch14-m02-t04-1280.30a21bd327.jpg Constructing a regular hexagon NCERT Class 7 Maths Ganita Prakash, Chapter 6. The hexagon is never attacked head-on. State the criterion for fitting angles round a point in your own words. https://prepshorts.com/v/g07-maths-ch14-m02-t04/index.m3u8 554 2026-08-28 yes no no https://prepshorts.com/learn/class-7/maths/constructions-and-tilings/regular-hexagons-and-why-the-angles-round-a-point-must-total/hi2026-10-03 https://prepshorts.com/poster/g07-maths-ch14-m02-t04-1280.30a21bd327.jpg Class 7 Maths Ch 6 in Hindi · regular hexagons NCERT Class 7 Maths Chapter 6 in Hindi · कक्षा 7, अध्याय 6, हिंदी में. 6 बराबर sides से hexagon regular नहीं बनता - angles भी बराबर चाहिए।. https://prepshorts.com/v/g07-maths-ch14-m02-t04/index.m3u8 554 2026-08-28 yes no no https://prepshorts.com/learn/class-7/maths/constructions-and-tilings/tangrams-rearranging-pieces-without-changing-the-area2026-10-03 https://prepshorts.com/poster/g07-maths-ch14-m03-t01-1280.4209f6724a.jpg Tangrams: rearranging pieces without changing the area NCERT Class 7 Maths Ganita Prakash, Chapter 6. Cut one square into seven pieces, allow no gaps and no overlaps, and something odd happens to the outline. https://prepshorts.com/v/g07-maths-ch14-m03-t01/index.m3u8 524 2026-08-28 yes no no https://prepshorts.com/learn/class-7/maths/constructions-and-tilings/tangrams-rearranging-pieces-without-changing-the-area/hi2026-10-03 https://prepshorts.com/poster/g07-maths-ch14-m03-t01-1280.4209f6724a.jpg Class 7 Maths Ch 6 in Hindi · टेनग्राम NCERT Class 7 Maths Chapter 6 in Hindi · कक्षा 7, अध्याय 6, हिंदी में. 7 टुकड़े, तरह तरह की आकृतियाँ - outline हर बार बदलती है, area हर बार 16।. https://prepshorts.com/v/g07-maths-ch14-m03-t01/index.m3u8 524 2026-08-28 yes no no https://prepshorts.com/learn/class-7/maths/constructions-and-tilings/what-it-takes-to-cover-a-region-with-no-gaps-and-no-overlaps2026-10-03 https://prepshorts.com/poster/g07-maths-ch14-m03-t02-1280.7a1c36f5c8.jpg What is a tiling? Covering with no gaps or overlaps NCERT Class 7 Maths Ganita Prakash, Chapter 6. “I could not do it” is not an answer. State what it means for a region to be tiled by a given tile. https://prepshorts.com/v/g07-maths-ch14-m03-t02/index.m3u8 580 2026-08-28 yes no no https://prepshorts.com/learn/class-7/maths/constructions-and-tilings/what-it-takes-to-cover-a-region-with-no-gaps-and-no-overlaps/hi2026-10-03 https://prepshorts.com/poster/g07-maths-ch14-m03-t02-1280.7a1c36f5c8.jpg Class 7 Maths Ch 6 in Hindi · किसी क्षेत्र को बिना ख़ाली जगह NCERT Class 7 Maths Chapter 6 in Hindi · कक्षा 7, अध्याय 6, हिंदी में. 'मैंने कोशिश की, नहीं बना' - यह tiling के सवाल का जवाब नहीं है।. https://prepshorts.com/v/g07-maths-ch14-m03-t02/index.m3u8 580 2026-08-28 yes no no https://prepshorts.com/learn/class-7/maths/finding-the-unknown/an-equation-is-a-claim-of-equality-not-an-instruction-to2026-10-03 https://prepshorts.com/poster/g07-maths-ch15-m01-t01-1280.656b429df6.jpg What an equation actually says NCERT Class 7 Maths Ganita Prakash, Chapter 7. For years the equals sign has been an instruction: work out the left, write the answer on the right. https://prepshorts.com/v/g07-maths-ch15-m01-t01/index.m3u8 593 2026-08-28 yes no no https://prepshorts.com/learn/class-7/maths/finding-the-unknown/an-equation-is-a-claim-of-equality-not-an-instruction-to/hi2026-10-03 https://prepshorts.com/poster/g07-maths-ch15-m01-t01-1280.656b429df6.jpg Class 7 Maths Ch 7 in Hindi · Equation बराबरी का एक दावा है NCERT Class 7 Maths Chapter 7 in Hindi · कक्षा 7, अध्याय 7, हिंदी में. An equation is a claim of equality, not an instruction to compute. https://prepshorts.com/v/g07-maths-ch15-m01-t01/index.m3u8 593 2026-08-28 yes no no https://prepshorts.com/learn/class-7/maths/finding-the-unknown/finding-an-unknown-by-reasoning-about-what-must-balance2026-10-03 https://prepshorts.com/poster/g07-maths-ch15-m01-t02-1280.583236c3a4.jpg Finding an unknown by reasoning about what must balance NCERT Class 7 Maths Ganita Prakash, Chapter 7. Two balanced pictures, both hiding a weight. Only one of them yields to arithmetic you already have. https://prepshorts.com/v/g07-maths-ch15-m01-t02/index.m3u8 587 2026-08-28 yes no no https://prepshorts.com/learn/class-7/maths/finding-the-unknown/finding-an-unknown-by-reasoning-about-what-must-balance/hi2026-10-03 https://prepshorts.com/poster/g07-maths-ch15-m01-t02-1280.583236c3a4.jpg Class 7 Maths Ch 7 in Hindi · क्या बराबर रहना ही चाहिए NCERT Class 7 Maths Chapter 7 in Hindi · कक्षा 7, अध्याय 7, हिंदी में. Finding an unknown by reasoning about what must balance. https://prepshorts.com/v/g07-maths-ch15-m01-t02/index.m3u8 587 2026-08-28 yes no no https://prepshorts.com/learn/class-7/maths/finding-the-unknown/doing-the-same-thing-to-both-sides-preserves-equality2026-10-03 https://prepshorts.com/poster/g07-maths-ch15-m02-t01-1280.731e99ace6.jpg Doing the same thing to both sides preserves equality NCERT Class 7 Maths Ganita Prakash, Chapter 7. Guessing until a number fits is a real method and it works. Two things, and neither is that it was slow. https://prepshorts.com/v/g07-maths-ch15-m02-t01/index.m3u8 588 2026-08-28 yes no no https://prepshorts.com/learn/class-7/maths/finding-the-unknown/doing-the-same-thing-to-both-sides-preserves-equality/hi2026-10-03 https://prepshorts.com/poster/g07-maths-ch15-m02-t01-1280.731e99ace6.jpg Class 7 Maths Ch 7 in Hindi · दोनों तरफ़ एक ही काम करने NCERT Class 7 Maths Chapter 7 in Hindi · कक्षा 7, अध्याय 7, हिंदी में. Doing the same thing to both sides preserves equality. https://prepshorts.com/v/g07-maths-ch15-m02-t01/index.m3u8 588 2026-08-28 yes no no https://prepshorts.com/learn/class-7/maths/finding-the-unknown/isolating-the-unknown-step-by-step2026-10-03 https://prepshorts.com/poster/g07-maths-ch15-m02-t02-1280.d3a9cce93e.jpg Isolating the unknown, step by step NCERT Class 7 Maths Ganita Prakash, Chapter 7. “Take it across and change the sign” is not a rule about crossing an equals sign. https://prepshorts.com/v/g07-maths-ch15-m02-t02/index.m3u8 580 2026-08-28 yes no no https://prepshorts.com/learn/class-7/maths/finding-the-unknown/isolating-the-unknown-step-by-step/hi2026-10-03 https://prepshorts.com/poster/g07-maths-ch15-m02-t02-1280.d3a9cce93e.jpg Class 7 Maths Ch 7 in Hindi · अज्ञात को क़दम-दर-क़दम अकेला NCERT Class 7 Maths Chapter 7 in Hindi · कक्षा 7, अध्याय 7, हिंदी में. Isolating the unknown, step by step. यहाँ 11 गुणा y, जोड़ ऋण 5, बराबर 61।. https://prepshorts.com/v/g07-maths-ch15-m02-t02/index.m3u8 580 2026-08-28 yes no no https://prepshorts.com/learn/class-7/maths/finding-the-unknown/generating-an-equation-from-a-situation2026-10-03 https://prepshorts.com/poster/g07-maths-ch15-m02-t03-1280.69d707555e.jpg Generating an equation from a situation NCERT Class 7 Maths Ganita Prakash, Chapter 7. Every equation so far has arrived already written down. Out in the world nobody hands you one. https://prepshorts.com/v/g07-maths-ch15-m02-t03/index.m3u8 608 2026-08-28 yes no no https://prepshorts.com/learn/class-7/maths/finding-the-unknown/generating-an-equation-from-a-situation/hi2026-10-03 https://prepshorts.com/poster/g07-maths-ch15-m02-t03-1280.69d707555e.jpg Class 7 Maths Ch 7 in Hindi · किसी स्थिति से equation बनाना NCERT Class 7 Maths Chapter 7 in Hindi · कक्षा 7, अध्याय 7, हिंदी में. Generating an equation from a situation. https://prepshorts.com/v/g07-maths-ch15-m02-t03/index.m3u8 608 2026-08-28 yes no no https://prepshorts.com/learn/class-7/maths/finding-the-unknown/a-pinch-of-history-where-solving-for-an-unknown-came-from2026-10-03 https://prepshorts.com/poster/g07-maths-ch15-m03-t02-1280.396998900f.jpg A pinch of history: where solving for an unknown came from NCERT Class 7 Maths Ganita Prakash, Chapter 7. The oldest name for this subject is not algebra. The oldest name for this subject is not algebra. https://prepshorts.com/v/g07-maths-ch15-m03-t02/index.m3u8 597 2026-08-28 yes no no https://prepshorts.com/learn/class-7/maths/finding-the-unknown/a-pinch-of-history-where-solving-for-an-unknown-came-from/hi2026-10-03 https://prepshorts.com/poster/g07-maths-ch15-m03-t02-1280.396998900f.jpg Class 7 Maths Ch 7 in Hindi · इतिहास की एक चुटकी NCERT Class 7 Maths Chapter 7 in Hindi · कक्षा 7, अध्याय 7, हिंदी में. A pinch of history: where solving for an unknown came from. https://prepshorts.com/v/g07-maths-ch15-m03-t02/index.m3u8 597 2026-08-28 yes no no https://prepshorts.com/learn/class-8/maths/a-square-and-a-cube/what-makes-a-number-a-perfect-square2026-10-03 https://prepshorts.com/poster/g08-maths-ch01-m01-t01-1280.63a2aa709d.jpg What is a perfect square number? NCERT Class 8 Maths Ganita Prakash, Chapter 1. A hundred lockers, a hundred people, each changing every second, third, fourth. https://prepshorts.com/v/g08-maths-ch01-m01-t01/index.m3u8 609 2026-08-28 yes no no https://prepshorts.com/learn/class-8/maths/a-square-and-a-cube/what-makes-a-number-a-perfect-square/hi2026-10-03 https://prepshorts.com/poster/g08-maths-ch01-m01-t01-1280.63a2aa709d.jpg Class 8 Maths Ch 1 in Hindi · किसी संख्या को perfect square NCERT Class 8 Maths Chapter 1 in Hindi · कक्षा 8, अध्याय 1, हिंदी में. What makes a number a perfect square. शुरू में हर locker बंद है।. https://prepshorts.com/v/g08-maths-ch01-m01-t01/index.m3u8 609 2026-08-28 yes no no https://prepshorts.com/learn/class-8/maths/a-square-and-a-cube/what-a-perfect-square-s-last-digits-can-and-cannot-be2026-10-03 https://prepshorts.com/poster/g08-maths-ch01-m01-t02-1280.165dcc4d37.jpg Which last digits can a perfect square have? NCERT Class 8 Maths Ganita Prakash, Chapter 1. Square every whole number and look only at the right-hand edge. https://prepshorts.com/v/g08-maths-ch01-m01-t02/index.m3u8 617 2026-08-28 yes no no https://prepshorts.com/learn/class-8/maths/a-square-and-a-cube/what-a-perfect-square-s-last-digits-can-and-cannot-be/hi2026-10-03 https://prepshorts.com/poster/g08-maths-ch01-m01-t02-1280.165dcc4d37.jpg Class 8 Maths Ch 1 in Hindi · किसी perfect square के आख़िरी NCERT Class 8 Maths Chapter 1 in Hindi · कक्षा 8, अध्याय 1, हिंदी में. What a perfect square's last digits can and cannot be. https://prepshorts.com/v/g08-maths-ch01-m01-t02/index.m3u8 617 2026-08-28 yes no no https://prepshorts.com/learn/class-8/maths/a-square-and-a-cube/why-the-first-n-odd-numbers-add-up-to-n2026-10-03 https://prepshorts.com/poster/g08-maths-ch01-m01-t03-1280.a922b9d178.jpg Why is the sum of the first n odd numbers n²? NCERT Class 8 Maths Ganita Prakash, Chapter 1. Subtract each square from the next and the odd numbers fall out in order, nothing skipped. https://prepshorts.com/v/g08-maths-ch01-m01-t03/index.m3u8 635 2026-08-28 yes no no https://prepshorts.com/learn/class-8/maths/a-square-and-a-cube/why-the-first-n-odd-numbers-add-up-to-n/hi2026-10-03 https://prepshorts.com/poster/g08-maths-ch01-m01-t03-1280.a922b9d178.jpg Class 8 Maths Ch 1 in Hindi · पहली n odd numbers का जोड़ n² NCERT Class 8 Maths Chapter 1 in Hindi · कक्षा 8, अध्याय 1, हिंदी में. Why the first n odd numbers add up to n². https://prepshorts.com/v/g08-maths-ch01-m01-t03/index.m3u8 635 2026-08-28 yes no no https://prepshorts.com/learn/class-8/maths/a-square-and-a-cube/squares-hiding-inside-triangular-numbers2026-10-03 https://prepshorts.com/poster/g08-maths-ch01-m01-t04-1280.66da7a27e0.jpg Squares hiding inside triangular numbers NCERT Class 8 Maths Ganita Prakash, Chapter 1. Stack dots in rows of 1, 2, 3 and you get a staircase. Squares, every time. https://prepshorts.com/v/g08-maths-ch01-m01-t04/index.m3u8 597 2026-08-28 yes no no https://prepshorts.com/learn/class-8/maths/a-square-and-a-cube/squares-hiding-inside-triangular-numbers/hi2026-10-03 https://prepshorts.com/poster/g08-maths-ch01-m01-t04-1280.66da7a27e0.jpg Class 8 Maths Ch 1 in Hindi · Triangular numbers के अंदर NCERT Class 8 Maths Chapter 1 in Hindi · कक्षा 8, अध्याय 1, हिंदी में. Squares hiding inside triangular numbers. https://prepshorts.com/v/g08-maths-ch01-m01-t04/index.m3u8 597 2026-08-28 yes no no https://prepshorts.com/learn/class-8/maths/a-square-and-a-cube/square-roots-and-the-prime-factor-test-for-a-perfect-square2026-10-03 https://prepshorts.com/poster/g08-maths-ch01-m01-t05-1280.5b2613b0d2.jpg How to find a square root by prime factorisation NCERT Class 8 Maths Ganita Prakash, Chapter 1. A square root is not a strange operation — it is a length. Give a square an area of 49 and its side is 7. https://prepshorts.com/v/g08-maths-ch01-m01-t05/index.m3u8 608 2026-08-28 yes no no https://prepshorts.com/learn/class-8/maths/a-square-and-a-cube/square-roots-and-the-prime-factor-test-for-a-perfect-square/hi2026-10-03 https://prepshorts.com/poster/g08-maths-ch01-m01-t05-1280.5b2613b0d2.jpg Class 8 Maths Ch 1 in Hindi · Square roots NCERT Class 8 Maths Chapter 1 in Hindi · कक्षा 8, अध्याय 1, हिंदी में. 324 = 2 × 2 × 3 × 3 × 3 × 3. यहाँ एक square बना है, और इसका area 49 है।. https://prepshorts.com/v/g08-maths-ch01-m01-t05/index.m3u8 608 2026-08-28 yes no no https://prepshorts.com/learn/class-8/maths/a-square-and-a-cube/what-makes-a-number-a-perfect-cube-and-the-three-identical2026-10-03 https://prepshorts.com/poster/g08-maths-ch01-m02-t01-1280.f26543c5f4.jpg What makes a number a perfect cube NCERT Class 8 Maths Ganita Prakash, Chapter 1. A cube of edge 2 does not hold six unit cubes. Six is how many faces it has; it holds two floors of four. https://prepshorts.com/v/g08-maths-ch01-m02-t01/index.m3u8 610 2026-08-28 yes no no https://prepshorts.com/learn/class-8/maths/a-square-and-a-cube/what-makes-a-number-a-perfect-cube-and-the-three-identical/hi2026-10-03 https://prepshorts.com/poster/g08-maths-ch01-m02-t01-1280.f26543c5f4.jpg Class 8 Maths Ch 1 in Hindi · किसी संख्या को perfect cube NCERT Class 8 Maths Chapter 1 in Hindi · कक्षा 8, अध्याय 1, हिंदी में. 3375 = 3 × 3 × 3 × 5 × 5 × 5. इन primes को 3 ढेरों में बाँटिए: हर ढेर में 3 और 5. https://prepshorts.com/v/g08-maths-ch01-m02-t01/index.m3u8 610 2026-08-28 yes no no https://prepshorts.com/learn/class-8/maths/a-square-and-a-cube/taxicab-numbers-why-1729-is-the-number-it-is2026-10-03 https://prepshorts.com/poster/g08-maths-ch01-m02-t02-1280.1e28ef47dc.jpg Why is 1729 the Ramanujan taxicab number? NCERT Class 8 Maths Ganita Prakash, Chapter 1. A mathematician called the number on a taxi dull. He did not say 1729 was interesting. https://prepshorts.com/v/g08-maths-ch01-m02-t02/index.m3u8 590 2026-08-28 yes no no https://prepshorts.com/learn/class-8/maths/a-square-and-a-cube/taxicab-numbers-why-1729-is-the-number-it-is/hi2026-10-03 https://prepshorts.com/poster/g08-maths-ch01-m02-t02-1280.1e28ef47dc.jpg Class 8 Maths Ch 1 in Hindi · Taxicab numbers NCERT Class 8 Maths Chapter 1 in Hindi · कक्षा 8, अध्याय 1, हिंदी में. 1729 = 1³ + 12³ = 9³ + 10³. वो ग़लत थे, और वो किस तरह ग़लत थे, यही आज की पूरी बात है।. https://prepshorts.com/v/g08-maths-ch01-m02-t02/index.m3u8 590 2026-08-28 yes no no https://prepshorts.com/learn/class-8/maths/a-square-and-a-cube/cubes-built-from-runs-of-consecutive-odd-numbers2026-10-03 https://prepshorts.com/poster/g08-maths-ch01-m02-t03-1280.d891d3f73b.jpg Cubes built from runs of consecutive odd numbers NCERT Class 8 Maths Ganita Prakash, Chapter 1. Write out the odd numbers and take scissors to them: one, then two, then three. https://prepshorts.com/v/g08-maths-ch01-m02-t03/index.m3u8 546 2026-08-28 yes no no https://prepshorts.com/learn/class-8/maths/a-square-and-a-cube/cubes-built-from-runs-of-consecutive-odd-numbers/hi2026-10-03 https://prepshorts.com/poster/g08-maths-ch01-m02-t03-1280.d891d3f73b.jpg Class 8 Maths Ch 1 in Hindi · लगातार odd numbers की लड़ियों NCERT Class 8 Maths Chapter 1 in Hindi · कक्षा 8, अध्याय 1, हिंदी में. Cubes built from runs of consecutive odd numbers. https://prepshorts.com/v/g08-maths-ch01-m02-t03/index.m3u8 546 2026-08-28 yes no no https://prepshorts.com/learn/class-8/maths/a-square-and-a-cube/cube-roots-and-what-successive-differences-expose2026-10-03 https://prepshorts.com/poster/g08-maths-ch01-m02-t04-1280.99a88ee36b.jpg Cube roots, and what successive differences expose NCERT Class 8 Maths Ganita Prakash, Chapter 1. Squaring throws things away — it folds −6 onto 6, so 36 has two roots. https://prepshorts.com/v/g08-maths-ch01-m02-t04/index.m3u8 628 2026-08-28 yes no no https://prepshorts.com/learn/class-8/maths/a-square-and-a-cube/cube-roots-and-what-successive-differences-expose/hi2026-10-03 https://prepshorts.com/poster/g08-maths-ch01-m02-t04-1280.99a88ee36b.jpg Class 8 Maths Ch 1 in Hindi · Cube roots NCERT Class 8 Maths Chapter 1 in Hindi · कक्षा 8, अध्याय 1, हिंदी में. Cube roots, and what successive differences expose. https://prepshorts.com/v/g08-maths-ch01-m02-t04/index.m3u8 628 2026-08-28 yes no no https://prepshorts.com/learn/class-8/maths/a-square-and-a-cube/the-oldest-known-tables-of-squares-and-cubes2026-10-03 https://prepshorts.com/poster/g08-maths-ch01-m03-t01-1280.19b500899a.jpg The oldest known tables of squares and cubes NCERT Class 8 Maths Ganita Prakash, Chapter 1. Around 1700 BCE somebody wrote out the squares. Name the practical work the chapter says those tables served. https://prepshorts.com/v/g08-maths-ch01-m03-t01/index.m3u8 529 2026-08-28 yes no no https://prepshorts.com/learn/class-8/maths/a-square-and-a-cube/the-oldest-known-tables-of-squares-and-cubes/hi2026-10-03 https://prepshorts.com/poster/g08-maths-ch01-m03-t01-1280.19b500899a.jpg Class 8 Maths Ch 1 in Hindi · squares और cubes की सबसे NCERT Class 8 Maths Chapter 1 in Hindi · कक्षा 8, अध्याय 1, हिंदी में. The oldest known tables of squares and cubes. https://prepshorts.com/v/g08-maths-ch01-m03-t01/index.m3u8 529 2026-08-28 yes no no https://prepshorts.com/learn/class-8/maths/power-play/paper-folding-the-growth-that-outruns-intuition2026-10-03 https://prepshorts.com/poster/g08-maths-ch02-m01-t01-1280.34a8ec2d2a.jpg Paper folding: the growth that outruns intuition NCERT Class 8 Maths Ganita Prakash, Chapter 2. Fold a sheet of paper in half fifty times, with the physical limit imagined away, and it reaches the Sun. https://prepshorts.com/v/g08-maths-ch02-m01-t01/index.m3u8 577 2026-08-28 yes no no https://prepshorts.com/learn/class-8/maths/power-play/paper-folding-the-growth-that-outruns-intuition/hi2026-10-03 https://prepshorts.com/poster/g08-maths-ch02-m01-t01-1280.34a8ec2d2a.jpg Class 8 Maths Ch 2 in Hindi · कागज़ मोड़ना NCERT Class 8 Maths Chapter 2 in Hindi · कक्षा 8, अध्याय 2, हिंदी में. Paper folding: the growth that outruns intuition. https://prepshorts.com/v/g08-maths-ch02-m01-t01/index.m3u8 577 2026-08-28 yes no no https://prepshorts.com/learn/class-8/maths/power-play/exponential-notation-repeated-multiplication-written-once2026-10-03 https://prepshorts.com/poster/g08-maths-ch02-m01-t02-1280.27d3e9a901.jpg Exponential notation: repeated multiplication written once NCERT Class 8 Maths Ganita Prakash, Chapter 2. Writing 2⁷ instead of seven 2s is not shorthand for the lazy. That is why n^1 is n. https://prepshorts.com/v/g08-maths-ch02-m01-t02/index.m3u8 622 2026-08-28 yes no no https://prepshorts.com/learn/class-8/maths/power-play/exponential-notation-repeated-multiplication-written-once/hi2026-10-03 https://prepshorts.com/poster/g08-maths-ch02-m01-t02-1280.27d3e9a901.jpg Class 8 Maths Ch 2 in Hindi · Exponential notation NCERT Class 8 Maths Chapter 2 in Hindi · कक्षा 8, अध्याय 2, हिंदी में. Exponential notation: repeated multiplication written once. https://prepshorts.com/v/g08-maths-ch02-m01-t02/index.m3u8 622 2026-08-28 yes no no https://prepshorts.com/learn/class-8/maths/power-play/the-laws-of-exponents-and-where-each-one-comes-from2026-10-03 https://prepshorts.com/poster/g08-maths-ch02-m01-t03-1280.a6afd0712f.jpg Laws of exponents explained, and where they come from NCERT Class 8 Maths Ganita Prakash, Chapter 2. Not one of the exponent laws is a new fact. State and apply the rule for multiplying powers that share a base. https://prepshorts.com/v/g08-maths-ch02-m01-t03/index.m3u8 557 2026-08-28 yes no no https://prepshorts.com/learn/class-8/maths/power-play/the-laws-of-exponents-and-where-each-one-comes-from/hi2026-10-03 https://prepshorts.com/poster/g08-maths-ch02-m01-t03-1280.a6afd0712f.jpg Class 8 Maths Ch 2 in Hindi · Exponents के नियम NCERT Class 8 Maths Chapter 2 in Hindi · कक्षा 8, अध्याय 2, हिंदी में. The laws of exponents, and where each one comes from. https://prepshorts.com/v/g08-maths-ch02-m01-t03/index.m3u8 557 2026-08-28 yes no no https://prepshorts.com/learn/class-8/maths/power-play/zero-and-negative-exponents-extending-the-rule-rather-than2026-10-03 https://prepshorts.com/poster/g08-maths-ch02-m02-t01-1280.40c3fb5357.jpg Zero and negative exponents NCERT Class 8 Maths Ganita Prakash, Chapter 2. Nobody decided that 2⁰ should be 1. Keep erasing half of a line 16 units long and the value is forced on you. https://prepshorts.com/v/g08-maths-ch02-m02-t01/index.m3u8 600 2026-08-28 yes no no https://prepshorts.com/learn/class-8/maths/power-play/zero-and-negative-exponents-extending-the-rule-rather-than/hi2026-10-03 https://prepshorts.com/poster/g08-maths-ch02-m02-t01-1280.40c3fb5357.jpg Class 8 Maths Ch 2 in Hindi · Zero और negative exponents NCERT Class 8 Maths Chapter 2 in Hindi · कक्षा 8, अध्याय 2, हिंदी में. 2 की power शून्य 1 क्यों है? एक पट्टी सोचिए, जो पूरे 16 units लंबी है।. https://prepshorts.com/v/g08-maths-ch02-m02-t01/index.m3u8 600 2026-08-28 yes no no https://prepshorts.com/learn/class-8/maths/power-play/reading-a-power-line-multiplication-as-movement-along-a2026-10-03 https://prepshorts.com/poster/g08-maths-ch02-m02-t02-1280.4312b50071.jpg Reading a power line as a scale NCERT Class 8 Maths Ganita Prakash, Chapter 2. Stand all the powers of one number in an evenly spaced column and multiplication stops being an operation. https://prepshorts.com/v/g08-maths-ch02-m02-t02/index.m3u8 609 2026-08-28 yes no no https://prepshorts.com/learn/class-8/maths/power-play/reading-a-power-line-multiplication-as-movement-along-a/hi2026-10-03 https://prepshorts.com/poster/g08-maths-ch02-m02-t02-1280.4312b50071.jpg Class 8 Maths Ch 2 in Hindi · Power line पढ़ना NCERT Class 8 Maths Chapter 2 in Hindi · कक्षा 8, अध्याय 2, हिंदी में. Reading a power line: multiplication as movement along a scale. https://prepshorts.com/v/g08-maths-ch02-m02-t02/index.m3u8 609 2026-08-28 yes no no https://prepshorts.com/learn/class-8/maths/power-play/powers-of-10-and-place-value-written-out-for-whole-numbers2026-10-03 https://prepshorts.com/poster/g08-maths-ch02-m03-t01-1280.a2e304ba97.jpg Powers of ten and place value NCERT Class 8 Maths Ganita Prakash, Chapter 2. Expanded form was a statement about powers of ten all along. Eight candidates. https://prepshorts.com/v/g08-maths-ch02-m03-t01/index.m3u8 625 2026-08-28 yes no no https://prepshorts.com/learn/class-8/maths/power-play/powers-of-10-and-place-value-written-out-for-whole-numbers/hi2026-10-03 https://prepshorts.com/poster/g08-maths-ch02-m03-t01-1280.a2e304ba97.jpg Class 8 Maths Ch 2 in Hindi · 10 की powers NCERT Class 8 Maths Chapter 2 in Hindi · कक्षा 8, अध्याय 2, हिंदी में. Powers of 10, and place value written out for whole numbers and decimals. https://prepshorts.com/v/g08-maths-ch02-m03-t01/index.m3u8 625 2026-08-28 yes no no https://prepshorts.com/learn/class-8/maths/power-play/scientific-notation-and-why-the-standard-form-is-1-x-102026-10-03 https://prepshorts.com/poster/g08-maths-ch02-m03-t02-1280.8bdbfd996a.jpg Standard form (scientific notation) explained NCERT Class 8 Maths Ganita Prakash, Chapter 2. Keeping the front number between 1 and 10 is not tidiness. So move the count into an exponent. https://prepshorts.com/v/g08-maths-ch02-m03-t02/index.m3u8 640 2026-08-28 yes no no https://prepshorts.com/learn/class-8/maths/power-play/scientific-notation-and-why-the-standard-form-is-1-x-10/hi2026-10-03 https://prepshorts.com/poster/g08-maths-ch02-m03-t02-1280.8bdbfd996a.jpg Class 8 Maths Ch 2 in Hindi · Scientific notation NCERT Class 8 Maths Chapter 2 in Hindi · कक्षा 8, अध्याय 2, हिंदी में. 5900 = 590 x 10 = 59 x 10^2 = 5.9 x 10^3 = 0.59 x 10^4. https://prepshorts.com/v/g08-maths-ch02-m03-t02/index.m3u8 640 2026-08-28 yes no no https://prepshorts.com/learn/class-8/maths/power-play/estimating-a-quantity-nobody-can-count-guess-model-assume2026-10-03 https://prepshorts.com/poster/g08-maths-ch02-m04-t01-1280.0a92c08de6.jpg Estimating a quantity nobody can count NCERT Class 8 Maths Ganita Prakash, Chapter 2. An estimate is not a calculation done badly. Compute an estimate from a relation and a set of assumptions. https://prepshorts.com/v/g08-maths-ch02-m04-t01/index.m3u8 646 2026-08-28 yes no no https://prepshorts.com/learn/class-8/maths/power-play/estimating-a-quantity-nobody-can-count-guess-model-assume/hi2026-10-03 https://prepshorts.com/poster/g08-maths-ch02-m04-t01-1280.0a92c08de6.jpg Class 8 Maths Ch 2 in Hindi · ऐसी मात्रा का आकलन जिसे कोई NCERT Class 8 Maths Chapter 2 in Hindi · कक्षा 8, अध्याय 2, हिंदी में. आपको तराज़ू पर तौलने के लिए कितने कंचे लगेंगे? https://prepshorts.com/v/g08-maths-ch02-m04-t01/index.m3u8 646 2026-08-28 yes no no https://prepshorts.com/learn/class-8/maths/power-play/additive-growth-versus-multiplicative-growth2026-10-03 https://prepshorts.com/poster/g08-maths-ch02-m04-t02-1280.e110bb5008.jpg Additive growth versus multiplicative growth NCERT Class 8 Maths Ganita Prakash, Chapter 2. A ladder and a folded sheet both reach the Moon. One of them needs about forty million times as many steps. https://prepshorts.com/v/g08-maths-ch02-m04-t02/index.m3u8 610 2026-08-28 yes no no https://prepshorts.com/learn/class-8/maths/power-play/additive-growth-versus-multiplicative-growth/hi2026-10-03 https://prepshorts.com/poster/g08-maths-ch02-m04-t02-1280.e110bb5008.jpg Class 8 Maths Ch 2 in Hindi · जोड़कर होने वाली बढ़त बनाम NCERT Class 8 Maths Chapter 2 in Hindi · कक्षा 8, अध्याय 2, हिंदी में. Additive growth versus multiplicative growth. https://prepshorts.com/v/g08-maths-ch02-m04-t02/index.m3u8 610 2026-08-28 yes no no https://prepshorts.com/learn/class-8/maths/power-play/why-the-nearest-power-of-ten-is-the-only-handle-on-a2026-10-03 https://prepshorts.com/poster/g08-maths-ch02-m04-t03-1280.f36b51d833.jpg Orders of magnitude: the nearest power of ten NCERT Class 8 Maths Ganita Prakash, Chapter 2. Past a few thousand, the digits of a quantity carry no intuition. https://prepshorts.com/v/g08-maths-ch02-m04-t03/index.m3u8 611 2026-08-28 yes no no https://prepshorts.com/learn/class-8/maths/power-play/why-the-nearest-power-of-ten-is-the-only-handle-on-a/hi2026-10-03 https://prepshorts.com/poster/g08-maths-ch02-m04-t03-1280.f36b51d833.jpg Class 8 Maths Ch 2 in Hindi · कल्पना से बड़ी मात्रा NCERT Class 8 Maths Chapter 2 in Hindi · कक्षा 8, अध्याय 2, हिंदी में. Why the nearest power of ten is the only handle on a quantity too big to picture. https://prepshorts.com/v/g08-maths-ch02-m04-t03/index.m3u8 611 2026-08-28 yes no no https://prepshorts.com/learn/class-8/maths/power-play/naming-the-powers-of-ten-the-lalitavistara-list-the-million2026-10-03 https://prepshorts.com/poster/g08-maths-ch02-m04-t04-1280.a0692df9bc.jpg Names for the powers of ten, up to a googol NCERT Class 8 Maths Ganita Prakash, Chapter 2. Ancient India named the powers of ten far past anything anyone could count. https://prepshorts.com/v/g08-maths-ch02-m04-t04/index.m3u8 583 2026-08-28 yes no no https://prepshorts.com/learn/class-8/maths/power-play/naming-the-powers-of-ten-the-lalitavistara-list-the-million/hi2026-10-03 https://prepshorts.com/poster/g08-maths-ch02-m04-t04-1280.a0692df9bc.jpg Class 8 Maths Ch 2 in Hindi · दस की powers के नाम NCERT Class 8 Maths Chapter 2 in Hindi · कक्षा 8, अध्याय 2, हिंदी में. 10,00,000 और 1,000,000: वही 7 अंक, वही मात्रा, बस कॉमा अलग, और नाम भी अलग… https://prepshorts.com/v/g08-maths-ch02-m04-t04/index.m3u8 583 2026-08-28 yes no no https://prepshorts.com/learn/class-8/maths/a-story-of-numbers/why-any-number-system-needs-a-fixed-ordered-sequence-of2026-10-03 https://prepshorts.com/poster/g08-maths-ch03-m01-t01-1280.9a659f3c20.jpg What any number system needs to work NCERT Class 8 Maths Ganita Prakash, Chapter 3. Before a number system can do anything, it needs symbols in a fixed order that never runs short. https://prepshorts.com/v/g08-maths-ch03-m01-t01/index.m3u8 604 2026-08-28 yes no no https://prepshorts.com/learn/class-8/maths/a-story-of-numbers/why-any-number-system-needs-a-fixed-ordered-sequence-of/hi2026-10-03 https://prepshorts.com/poster/g08-maths-ch03-m01-t01-1280.9a659f3c20.jpg Class 8 Maths Ch 3 in Hindi · हर number system को symbols NCERT Class 8 Maths Chapter 3 in Hindi · कक्षा 8, अध्याय 3, हिंदी में. Why any number system needs a fixed, ordered sequence of symbols. https://prepshorts.com/v/g08-maths-ch03-m01-t01/index.m3u8 604 2026-08-28 yes no no https://prepshorts.com/learn/class-8/maths/a-story-of-numbers/body-parts-and-tally-marks-counting-before-numerals2026-10-03 https://prepshorts.com/poster/g08-maths-ch03-m02-t01-1280.3eab4b066e.jpg Body parts and tally marks: counting before numerals Class 8 Maths Ganita Prakash, Ch 3. The two oldest counting systems are made from the only things every human already has: a body, and something to scratch. https://prepshorts.com/v/g08-maths-ch03-m02-t01/index.m3u8 577 2026-08-28 yes no no https://prepshorts.com/learn/class-8/maths/a-story-of-numbers/body-parts-and-tally-marks-counting-before-numerals/hi2026-10-03 https://prepshorts.com/poster/g08-maths-ch03-m02-t01-1280.3eab4b066e.jpg Class 8 Maths Ch 3 in Hindi · शरीर के अंग और tally marks NCERT Class 8 Maths Chapter 3 in Hindi · कक्षा 8, अध्याय 3, हिंदी में. Body parts and tally marks: counting before numerals. https://prepshorts.com/v/g08-maths-ch03-m02-t01/index.m3u8 577 2026-08-28 yes no no https://prepshorts.com/learn/class-8/maths/a-story-of-numbers/counting-in-twos-and-what-number-names-reveal-about-a2026-10-03 https://prepshorts.com/poster/g08-maths-ch03-m02-t02-1280.623a8a56fb.jpg Counting in twos, and the bases languages keep NCERT Class 8 Maths Ganita Prakash, Chapter 3. Six words for one to six, in a language you do not speak. A NUMBER NAME CAN BE READ AS EVIDENCE. https://prepshorts.com/v/g08-maths-ch03-m02-t02/index.m3u8 608 2026-08-28 yes no no https://prepshorts.com/learn/class-8/maths/a-story-of-numbers/counting-in-twos-and-what-number-names-reveal-about-a/hi2026-10-03 https://prepshorts.com/poster/g08-maths-ch03-m02-t02-1280.623a8a56fb.jpg Class 8 Maths Ch 3 in Hindi · दो-दो में गिनना NCERT Class 8 Maths Chapter 3 in Hindi · कक्षा 8, अध्याय 3, हिंदी में. Counting in twos, and what number-names reveal about a culture's base. https://prepshorts.com/v/g08-maths-ch03-m02-t02/index.m3u8 608 2026-08-28 yes no no https://prepshorts.com/learn/class-8/maths/a-story-of-numbers/roman-numerals-grouping-a-number-into-tens-fives-and-ones2026-10-03 https://prepshorts.com/poster/g08-maths-ch03-m02-t03-1280.ffa3e65110.jpg Roman numerals: grouping a number into tens, fives and ones Class 8 Maths Ganita Prakash, Ch 3. Everything easy about Roman numerals and everything awful come from the same property of the sizes they group by. https://prepshorts.com/v/g08-maths-ch03-m02-t03/index.m3u8 606 2026-08-28 yes no no https://prepshorts.com/learn/class-8/maths/a-story-of-numbers/roman-numerals-grouping-a-number-into-tens-fives-and-ones/hi2026-10-03 https://prepshorts.com/poster/g08-maths-ch03-m02-t03-1280.ffa3e65110.jpg Class 8 Maths Ch 3 in Hindi · Roman numerals NCERT Class 8 Maths Chapter 3 in Hindi · कक्षा 8, अध्याय 3, हिंदी में. Roman numerals: grouping a number into tens, fives and ones. https://prepshorts.com/v/g08-maths-ch03-m02-t03/index.m3u8 606 2026-08-28 yes no no https://prepshorts.com/learn/class-8/maths/a-story-of-numbers/the-egyptian-system-and-what-a-landmark-number-is-for2026-10-03 https://prepshorts.com/poster/g08-maths-ch03-m03-t01-1280.c8501b132c.jpg The Egyptian system, and what a landmark number is for NCERT Class 8 Maths Ganita Prakash, Chapter 3. Rome chose its landmark numbers. Explain why the rule forces every landmark to be a power of ten. https://prepshorts.com/v/g08-maths-ch03-m03-t01/index.m3u8 623 2026-08-28 yes no no https://prepshorts.com/learn/class-8/maths/a-story-of-numbers/the-egyptian-system-and-what-a-landmark-number-is-for/hi2026-10-03 https://prepshorts.com/poster/g08-maths-ch03-m03-t01-1280.c8501b132c.jpg Class 8 Maths Ch 3 in Hindi · Egyptian system NCERT Class 8 Maths Chapter 3 in Hindi · कक्षा 8, अध्याय 3, हिंदी में. The Egyptian system, and what a landmark number is for. https://prepshorts.com/v/g08-maths-ch03-m03-t01/index.m3u8 623 2026-08-28 yes no no https://prepshorts.com/learn/class-8/maths/a-story-of-numbers/what-base-n-means-and-why-ten-is-a-choice-not-a-law2026-10-03 https://prepshorts.com/poster/g08-maths-ch03-m03-t02-1280.39b24d2059.jpg What is a number base? Why we count in tens NCERT Class 8 Maths Ganita Prakash, Chapter 3. Ten is nowhere in the mathematics. Write a number in base-5 signs, and read one back. https://prepshorts.com/v/g08-maths-ch03-m03-t02/index.m3u8 648 2026-08-28 yes no no https://prepshorts.com/learn/class-8/maths/a-story-of-numbers/what-base-n-means-and-why-ten-is-a-choice-not-a-law/hi2026-10-03 https://prepshorts.com/poster/g08-maths-ch03-m03-t02-1280.39b24d2059.jpg Class 8 Maths Ch 3 in Hindi · "base n" का मतलब क्या है NCERT Class 8 Maths Chapter 3 in Hindi · कक्षा 8, अध्याय 3, हिंदी में. What "base n" means, and why ten is a choice not a law. https://prepshorts.com/v/g08-maths-ch03-m03-t02/index.m3u8 648 2026-08-28 yes no no https://prepshorts.com/learn/class-8/maths/a-story-of-numbers/why-a-base-alone-still-runs-out-of-symbols2026-10-03 https://prepshorts.com/poster/g08-maths-ch03-m03-t03-1280.0b449bb4c9.jpg Why a base alone still runs out of symbols NCERT Class 8 Maths Ganita Prakash, Chapter 3. A base bounds one cost and leaves the other alone. The first cost is how many marks go on the page. https://prepshorts.com/v/g08-maths-ch03-m03-t03/index.m3u8 589 2026-08-28 yes no no https://prepshorts.com/learn/class-8/maths/a-story-of-numbers/why-a-base-alone-still-runs-out-of-symbols/hi2026-10-03 https://prepshorts.com/poster/g08-maths-ch03-m03-t03-1280.0b449bb4c9.jpg Class 8 Maths Ch 3 in Hindi · अकेले base के भी symbols आख़िर NCERT Class 8 Maths Chapter 3 in Hindi · कक्षा 8, अध्याय 3, हिंदी में. Why a base alone still runs out of symbols. https://prepshorts.com/v/g08-maths-ch03-m03-t03/index.m3u8 589 2026-08-28 yes no no https://prepshorts.com/learn/class-8/maths/a-story-of-numbers/mesopotamian-base-60-place-value-in-a-sexagesimal-system2026-10-03 https://prepshorts.com/poster/g08-maths-ch03-m04-t01-1280.4f618b1c90.jpg Mesopotamian base-60: place value in a sexagesimal system NCERT Class 8 Maths Ganita Prakash, Chapter 3. Stop drawing the landmark numbers and let position say which one you mean. https://prepshorts.com/v/g08-maths-ch03-m04-t01/index.m3u8 588 2026-08-28 yes no no https://prepshorts.com/learn/class-8/maths/a-story-of-numbers/mesopotamian-base-60-place-value-in-a-sexagesimal-system/hi2026-10-03 https://prepshorts.com/poster/g08-maths-ch03-m04-t01-1280.4f618b1c90.jpg Class 8 Maths Ch 3 in Hindi · Mesopotamian base-60 NCERT Class 8 Maths Chapter 3 in Hindi · कक्षा 8, अध्याय 3, हिंदी में. Mesopotamian base-60: place value in a sexagesimal system. https://prepshorts.com/v/g08-maths-ch03-m04-t01/index.m3u8 588 2026-08-28 yes no no https://prepshorts.com/learn/class-8/maths/a-story-of-numbers/the-mayan-system-and-a-placeholder-symbol-for-zero2026-10-03 https://prepshorts.com/poster/g08-maths-ch03-m04-t02-1280.52878f1bce.jpg The Mayan system, and a placeholder symbol for zero Class 8 Maths Ganita Prakash, Ch 3. Place value and a base are two different ideas, and the Maya are the proof — they had the first without the second. https://prepshorts.com/v/g08-maths-ch03-m04-t02/index.m3u8 597 2026-08-28 yes no no https://prepshorts.com/learn/class-8/maths/a-story-of-numbers/the-mayan-system-and-a-placeholder-symbol-for-zero/hi2026-10-03 https://prepshorts.com/poster/g08-maths-ch03-m04-t02-1280.52878f1bce.jpg Class 8 Maths Ch 3 in Hindi · Mayan system NCERT Class 8 Maths Chapter 3 in Hindi · कक्षा 8, अध्याय 3, हिंदी में. The Mayan system, and a placeholder symbol for zero. https://prepshorts.com/v/g08-maths-ch03-m04-t02/index.m3u8 597 2026-08-28 yes no no https://prepshorts.com/learn/class-8/maths/a-story-of-numbers/chinese-rod-numerals-base-10-place-value-one-symbol-short2026-10-03 https://prepshorts.com/poster/g08-maths-ch03-m04-t03-1280.373373a8f8.jpg Chinese rod numerals: base-10 place value, one symbol short NCERT Class 8 Maths Ganita Prakash, Chapter 3. This is the system you write in, with exactly one part missing. https://prepshorts.com/v/g08-maths-ch03-m04-t03/index.m3u8 550 2026-08-28 yes no no https://prepshorts.com/learn/class-8/maths/a-story-of-numbers/chinese-rod-numerals-base-10-place-value-one-symbol-short/hi2026-10-03 https://prepshorts.com/poster/g08-maths-ch03-m04-t03-1280.373373a8f8.jpg Class 8 Maths Ch 3 in Hindi · Chinese छड़ अंक NCERT Class 8 Maths Chapter 3 in Hindi · कक्षा 8, अध्याय 3, हिंदी में. Chinese rod numerals: base-10 place value, one symbol short. https://prepshorts.com/v/g08-maths-ch03-m04-t03/index.m3u8 550 2026-08-28 yes no no https://prepshorts.com/learn/class-8/maths/a-story-of-numbers/the-hindu-number-system-and-why-treating-0-as-a-digit2026-10-03 https://prepshorts.com/poster/g08-maths-ch03-m04-t04-1280.8b6c70fd44.jpg The Hindu number system, and zero as a digit NCERT Class 8 Maths Ganita Prakash, Chapter 3. Zero was promoted twice, and the first promotion bought almost nothing. https://prepshorts.com/v/g08-maths-ch03-m04-t04/index.m3u8 614 2026-08-28 yes no no https://prepshorts.com/learn/class-8/maths/a-story-of-numbers/the-hindu-number-system-and-why-treating-0-as-a-digit/hi2026-10-03 https://prepshorts.com/poster/g08-maths-ch03-m04-t04-1280.8b6c70fd44.jpg Class 8 Maths Ch 3 in Hindi · Hindu number system NCERT Class 8 Maths Chapter 3 in Hindi · कक्षा 8, अध्याय 3, हिंदी में. The Hindu number system, and why treating 0 as a digit changed everything. https://prepshorts.com/v/g08-maths-ch03-m04-t04/index.m3u8 614 2026-08-28 yes no no https://prepshorts.com/learn/class-8/maths/quadrilaterals/the-carpenter-s-problem-how-to-be-sure-a-frame-really-is2026-10-03 https://prepshorts.com/poster/g08-maths-ch04-m01-t01-1280.644e8dffcd.jpg How to be sure a frame really is rectangular NCERT Class 8 Maths Ganita Prakash, Chapter 4. A carpenter making a rectangular frame never has to measure a corner. https://prepshorts.com/v/g08-maths-ch04-m01-t01/index.m3u8 523 2026-08-28 yes no no https://prepshorts.com/learn/class-8/maths/quadrilaterals/the-carpenter-s-problem-how-to-be-sure-a-frame-really-is/hi2026-10-03 https://prepshorts.com/poster/g08-maths-ch04-m01-t01-1280.644e8dffcd.jpg Class 8 Maths Ch 4 in Hindi · बढ़ई की समस्या NCERT Class 8 Maths Chapter 4 in Hindi · कक्षा 8, अध्याय 4, हिंदी में. The carpenter's problem: how to be sure a frame really is rectangular. https://prepshorts.com/v/g08-maths-ch04-m01-t01/index.m3u8 523 2026-08-28 yes no no https://prepshorts.com/learn/class-8/maths/quadrilaterals/how-a-property-gets-deduced-and-why-you-still-check-it2026-10-03 https://prepshorts.com/poster/g08-maths-ch04-m01-t02-1280.4580961030.jpg How a geometric property gets deduced NCERT Class 8 Maths Ganita Prakash, Chapter 4. Draw a rectangle, draw both diagonals, measure where they cross. https://prepshorts.com/v/g08-maths-ch04-m01-t02/index.m3u8 575 2026-08-28 yes no no https://prepshorts.com/learn/class-8/maths/quadrilaterals/how-a-property-gets-deduced-and-why-you-still-check-it/hi2026-10-03 https://prepshorts.com/poster/g08-maths-ch04-m01-t02-1280.4580961030.jpg Class 8 Maths Ch 4 in Hindi · कोई गुण कैसे निकाला जाता है NCERT Class 8 Maths Chapter 4 in Hindi · कक्षा 8, अध्याय 4, हिंदी में. How a property gets deduced, and why you still check it against a real shape. https://prepshorts.com/v/g08-maths-ch04-m01-t02/index.m3u8 575 2026-08-28 yes no no https://prepshorts.com/learn/class-8/maths/quadrilaterals/properties-of-a-rectangle-and-why-the-square-is-the-special2026-10-03 https://prepshorts.com/poster/g08-maths-ch04-m01-t03-1280.c71df49bb6.jpg Properties of a rectangle and a square NCERT Class 8 Maths Ganita Prakash, Chapter 4. A rectangle is a four-sided shape whose corners are all square. https://prepshorts.com/v/g08-maths-ch04-m01-t03/index.m3u8 579 2026-08-28 yes no no https://prepshorts.com/learn/class-8/maths/quadrilaterals/properties-of-a-rectangle-and-why-the-square-is-the-special/hi2026-10-03 https://prepshorts.com/poster/g08-maths-ch04-m01-t03-1280.c71df49bb6.jpg Class 8 Maths Ch 4 in Hindi · rectangle के गुण NCERT Class 8 Maths Chapter 4 in Hindi · कक्षा 8, अध्याय 4, हिंदी में. Properties of a rectangle, and why the square is the special case. https://prepshorts.com/v/g08-maths-ch04-m01-t03/index.m3u8 579 2026-08-28 yes no no https://prepshorts.com/learn/class-8/maths/quadrilaterals/why-the-angles-of-any-quadrilateral-add-to-3602026-10-03 https://prepshorts.com/poster/g08-maths-ch04-m02-t01-1280.cf9d8d89fb.jpg Why do the angles of a quadrilateral add up to 360°? NCERT Class 8 Maths Ganita Prakash, Chapter 4. Can a four-sided figure have three square corners and a fourth that is not? https://prepshorts.com/v/g08-maths-ch04-m02-t01/index.m3u8 606 2026-08-28 yes no no https://prepshorts.com/learn/class-8/maths/quadrilaterals/why-the-angles-of-any-quadrilateral-add-to-360/hi2026-10-03 https://prepshorts.com/poster/g08-maths-ch04-m02-t01-1280.cf9d8d89fb.jpg Class 8 Maths Ch 4 in Hindi · किसी भी quadrilateral NCERT Class 8 Maths Chapter 4 in Hindi · कक्षा 8, अध्याय 4, हिंदी में. क्या कोई quadrilateral ऐसा बन सकता है जिसके 3 कोने 90 degree के हों और चौथा 120 का? https://prepshorts.com/v/g08-maths-ch04-m02-t01/index.m3u8 606 2026-08-28 yes no no https://prepshorts.com/learn/class-8/maths/quadrilaterals/the-parallelogram-everything-that-follows-from-opposite2026-10-03 https://prepshorts.com/poster/g08-maths-ch04-m02-t02-1280.b0361b08ba.jpg Properties of a parallelogram NCERT Class 8 Maths Ganita Prakash, Chapter 4. Push a rectangle over and most of its habits survive. PUSH A RECTANGLE OVER AND MOST OF ITS HABITS SURVIVE. https://prepshorts.com/v/g08-maths-ch04-m02-t02/index.m3u8 618 2026-08-28 yes no no https://prepshorts.com/learn/class-8/maths/quadrilaterals/the-parallelogram-everything-that-follows-from-opposite/hi2026-10-03 https://prepshorts.com/poster/g08-maths-ch04-m02-t02-1280.b0361b08ba.jpg Class 8 Maths Ch 4 in Hindi · parallelogram NCERT Class 8 Maths Chapter 4 in Hindi · कक्षा 8, अध्याय 4, हिंदी में. एक rectangle को धक्का देकर तिरछा कीजिए, कोने 90 के नहीं रहते, पर बाक़ी क्या बचता है? https://prepshorts.com/v/g08-maths-ch04-m02-t02/index.m3u8 618 2026-08-28 yes no no https://prepshorts.com/learn/class-8/maths/quadrilaterals/the-rhombus-and-what-its-diagonals-do2026-10-03 https://prepshorts.com/poster/g08-maths-ch04-m03-t01-1280.963eb787cf.jpg The rhombus, and what its diagonals do NCERT Class 8 Maths Ganita Prakash, Chapter 4. Four equal sides says nothing about direction — you could check it with a piece of string. https://prepshorts.com/v/g08-maths-ch04-m03-t01/index.m3u8 600 2026-08-28 yes no no https://prepshorts.com/learn/class-8/maths/quadrilaterals/the-rhombus-and-what-its-diagonals-do/hi2026-10-03 https://prepshorts.com/poster/g08-maths-ch04-m03-t01-1280.963eb787cf.jpg Class 8 Maths Ch 4 in Hindi · rhombus, और उसके diagonals NCERT Class 8 Maths Chapter 4 in Hindi · कक्षा 8, अध्याय 4, हिंदी में. चारों भुजाएँ बराबर हों, तो क्या आकार square ही होगा? https://prepshorts.com/v/g08-maths-ch04-m03-t01/index.m3u8 600 2026-08-28 yes no no https://prepshorts.com/learn/class-8/maths/quadrilaterals/what-the-diagonals-alone-tell-you-about-a-quadrilateral2026-10-03 https://prepshorts.com/poster/g08-maths-ch04-m04-t01-1280.e36d379807.jpg What do the diagonals tell you about a quadrilateral? NCERT Class 8 Maths Ganita Prakash, Chapter 4. Lay one segment across another and you have already drawn a quadrilateral. https://prepshorts.com/v/g08-maths-ch04-m04-t01/index.m3u8 547 2026-08-28 yes no no https://prepshorts.com/learn/class-8/maths/quadrilaterals/what-the-diagonals-alone-tell-you-about-a-quadrilateral/hi2026-10-03 https://prepshorts.com/poster/g08-maths-ch04-m04-t01-1280.e36d379807.jpg Class 8 Maths Ch 4 in Hindi · सिर्फ़ diagonals किसी NCERT Class 8 Maths Chapter 4 in Hindi · कक्षा 8, अध्याय 4, हिंदी में. What the diagonals alone tell you about a quadrilateral. https://prepshorts.com/v/g08-maths-ch04-m04-t01/index.m3u8 547 2026-08-28 yes no no https://prepshorts.com/learn/class-8/maths/quadrilaterals/which-quadrilaterals-you-can-build-by-joining-two-triangles2026-10-03 https://prepshorts.com/poster/g08-maths-ch04-m04-t02-1280.cb9ba160cd.jpg Which quadrilaterals you can build by joining two triangles NCERT Class 8 Maths Ganita Prakash, Chapter 4. Press two identical triangles together along a matching edge and that edge stops being an edge. https://prepshorts.com/v/g08-maths-ch04-m04-t02/index.m3u8 596 2026-08-28 yes no no https://prepshorts.com/learn/class-8/maths/quadrilaterals/which-quadrilaterals-you-can-build-by-joining-two-triangles/hi2026-10-03 https://prepshorts.com/poster/g08-maths-ch04-m04-t02-1280.cb9ba160cd.jpg Class 8 Maths Ch 4 in Hindi · दो triangles जोड़कर कौन-से NCERT Class 8 Maths Chapter 4 in Hindi · कक्षा 8, अध्याय 4, हिंदी में. Which quadrilaterals you can build by joining two triangles. https://prepshorts.com/v/g08-maths-ch04-m04-t02/index.m3u8 596 2026-08-28 yes no no https://prepshorts.com/learn/class-8/maths/quadrilaterals/the-kite-why-one-diagonal-bisects-the-other-at-right-angles2026-10-03 https://prepshorts.com/poster/g08-maths-ch04-m04-t03-1280.e776b71ca7.jpg The kite and its perpendicular diagonals NCERT Class 8 Maths Ganita Prakash, Chapter 4. A kite assumes almost nothing: two separate pairs of neighbouring sides equal. https://prepshorts.com/v/g08-maths-ch04-m04-t03/index.m3u8 603 2026-08-28 yes no no https://prepshorts.com/learn/class-8/maths/quadrilaterals/the-kite-why-one-diagonal-bisects-the-other-at-right-angles/hi2026-10-03 https://prepshorts.com/poster/g08-maths-ch04-m04-t03-1280.e776b71ca7.jpg Class 8 Maths Ch 4 in Hindi · kite: एक diagonal दूसरे NCERT Class 8 Maths Chapter 4 in Hindi · कक्षा 8, अध्याय 4, हिंदी में. The kite: why one diagonal bisects the other at right angles, and the angles too. https://prepshorts.com/v/g08-maths-ch04-m04-t03/index.m3u8 603 2026-08-28 yes no no https://prepshorts.com/learn/class-8/maths/quadrilaterals/the-trapezium-what-a-single-pair-of-parallel-sides-forces2026-10-03 https://prepshorts.com/poster/g08-maths-ch04-m04-t04-1280.d210241a07.jpg The trapezium, and what isosceles adds NCERT Class 8 Maths Ganita Prakash, Chapter 4. A trapezium is the least parallelism you can ask for and still be given a name. https://prepshorts.com/v/g08-maths-ch04-m04-t04/index.m3u8 605 2026-08-28 yes no no https://prepshorts.com/learn/class-8/maths/quadrilaterals/the-trapezium-what-a-single-pair-of-parallel-sides-forces/hi2026-10-03 https://prepshorts.com/poster/g08-maths-ch04-m04-t04-1280.d210241a07.jpg Class 8 Maths Ch 4 in Hindi · trapezium NCERT Class 8 Maths Ch 4 in Hindi · कक्षा 8, अध्याय 4, हिंदी में. The trapezium: what a single pair of parallel sides forces, and what "isosceles" adds. https://prepshorts.com/v/g08-maths-ch04-m04-t04/index.m3u8 605 2026-08-28 yes no no https://prepshorts.com/learn/class-8/maths/number-play/when-a-sum-of-consecutive-numbers-is-a-multiple-of-something2026-10-03 https://prepshorts.com/poster/g08-maths-ch05-m01-t01-1280.e59b08f69c.jpg When a sum of consecutive numbers is a multiple of something NCERT Class 8 Maths Ganita Prakash, Chapter 5. A run of consecutive numbers is not a loose pile. A RUN OF CONSECUTIVE NUMBERS IS NOT A LOOSE PILE. https://prepshorts.com/v/g08-maths-ch05-m01-t01/index.m3u8 601 2026-08-28 yes no no https://prepshorts.com/learn/class-8/maths/number-play/when-a-sum-of-consecutive-numbers-is-a-multiple-of-something/hi2026-10-03 https://prepshorts.com/poster/g08-maths-ch05-m01-t01-1280.e59b08f69c.jpg Class 8 Maths Ch 5 in Hindi · जब क्रमागत संख्याओं का योग NCERT Class 8 Maths Chapter 5 in Hindi · कक्षा 8, अध्याय 5, हिंदी में. When a sum of consecutive numbers is a multiple of something. https://prepshorts.com/v/g08-maths-ch05-m01-t01/index.m3u8 601 2026-08-28 yes no no https://prepshorts.com/learn/class-8/maths/number-play/deciding-parity-without-computing-the-answer2026-10-03 https://prepshorts.com/poster/g08-maths-ch05-m01-t02-1280.51d4f3f50e.jpg Deciding parity without computing the answer NCERT Class 8 Maths Ganita Prakash, Chapter 5. Whether a total is even or odd is fixed before you compute it. NOT SOMETIMES. https://prepshorts.com/v/g08-maths-ch05-m01-t02/index.m3u8 574 2026-08-28 yes no no https://prepshorts.com/learn/class-8/maths/number-play/deciding-parity-without-computing-the-answer/hi2026-10-03 https://prepshorts.com/poster/g08-maths-ch05-m01-t02-1280.51d4f3f50e.jpg Class 8 Maths Ch 5 in Hindi · जवाब निकाले बिना सम-विषमता तय NCERT Class 8 Maths Chapter 5 in Hindi · कक्षा 8, अध्याय 5, हिंदी में. Deciding parity without computing the answer. https://prepshorts.com/v/g08-maths-ch05-m01-t02/index.m3u8 574 2026-08-28 yes no no https://prepshorts.com/learn/class-8/maths/number-play/the-four-divisibility-facts-you-can-prove-and-how-to-use2026-10-03 https://prepshorts.com/poster/g08-maths-ch05-m01-t03-1280.cb3c78412c.jpg Four divisibility facts you can prove NCERT Class 8 Maths Ganita Prakash, Chapter 5. Being a multiple of something means being built out of complete rows. https://prepshorts.com/v/g08-maths-ch05-m01-t03/index.m3u8 644 2026-08-28 yes no no https://prepshorts.com/learn/class-8/maths/number-play/the-four-divisibility-facts-you-can-prove-and-how-to-use/hi2026-10-03 https://prepshorts.com/poster/g08-maths-ch05-m01-t03-1280.cb3c78412c.jpg Class 8 Maths Ch 5 in Hindi · विभाज्यता के चार तथ्य जिन्हें NCERT Class 8 Maths Chapter 5 in Hindi · कक्षा 8, अध्याय 5, हिंदी में. 2 even संख्याओं का जोड़ हमेशा even होता है, पर क्या वो 4 का multiple भी होता है? https://prepshorts.com/v/g08-maths-ch05-m01-t03/index.m3u8 644 2026-08-28 yes no no https://prepshorts.com/learn/class-8/maths/number-play/always-sometimes-or-never-one-counterexample-settles-it2026-10-03 https://prepshorts.com/poster/g08-maths-ch05-m01-t04-1280.8f0b744b1b.jpg Always, sometimes, or never: one counterexample settles it NCERT Class 8 Maths Ganita Prakash, Chapter 5. Always, sometimes and never are not three levels of confidence. https://prepshorts.com/v/g08-maths-ch05-m01-t04/index.m3u8 622 2026-08-28 yes no no https://prepshorts.com/learn/class-8/maths/number-play/always-sometimes-or-never-one-counterexample-settles-it/hi2026-10-03 https://prepshorts.com/poster/g08-maths-ch05-m01-t04-1280.8f0b744b1b.jpg Class 8 Maths Ch 5 in Hindi · हमेशा, कभी-कभी, या कभी नहीं NCERT Class 8 Maths Chapter 5 in Hindi · कक्षा 8, अध्याय 5, हिंदी में. कोई भी 2 even संख्याएँ जोड़िए, तो क्या जवाब 4 का multiple होता है? https://prepshorts.com/v/g08-maths-ch05-m01-t04/index.m3u8 622 2026-08-28 yes no no https://prepshorts.com/learn/class-8/maths/number-play/writing-leaves-remainder-r-as-an-algebraic-expression2026-10-03 https://prepshorts.com/poster/g08-maths-ch05-m01-t05-1280.f0f3ae1844.jpg Writing "leaves remainder r" as an algebraic expression NCERT Class 8 Maths Ganita Prakash, Chapter 5. “Leaves 3 when you divide by 5” is not a fact about a number. It names an endless, evenly spaced family. https://prepshorts.com/v/g08-maths-ch05-m01-t05/index.m3u8 610 2026-08-28 yes no no https://prepshorts.com/learn/class-8/maths/number-play/writing-leaves-remainder-r-as-an-algebraic-expression/hi2026-10-03 https://prepshorts.com/poster/g08-maths-ch05-m01-t05-1280.f0f3ae1844.jpg Class 8 Maths Ch 5 in Hindi · "r शेषफल बचता है" को बीजीय NCERT Class 8 Maths Chapter 5 in Hindi · कक्षा 8, अध्याय 5, हिंदी में. Writing "leaves remainder r" as an algebraic expression. https://prepshorts.com/v/g08-maths-ch05-m01-t05/index.m3u8 610 2026-08-28 yes no no https://prepshorts.com/learn/class-8/maths/number-play/the-digit-sum-test-for-9-and-the-algebra-underneath-it2026-10-03 https://prepshorts.com/poster/g08-maths-ch05-m02-t01-1280.525274be98.jpg The digit-sum test for 9, and the algebra underneath it NCERT Class 8 Maths Ganita Prakash, Chapter 5. Adding up digits looks like it has nothing to do with dividing. https://prepshorts.com/v/g08-maths-ch05-m02-t01/index.m3u8 621 2026-08-28 yes no no https://prepshorts.com/learn/class-8/maths/number-play/the-digit-sum-test-for-9-and-the-algebra-underneath-it/hi2026-10-03 https://prepshorts.com/poster/g08-maths-ch05-m02-t01-1280.525274be98.jpg Class 8 Maths Ch 5 in Hindi · 9 के लिए अंकों के योग वाली NCERT Class 8 Maths Chapter 5 in Hindi · कक्षा 8, अध्याय 5, हिंदी में. किसी संख्या के अंक जोड़ने का, उसे 9 से भाग देने से क्या लेना-देना? https://prepshorts.com/v/g08-maths-ch05-m02-t01/index.m3u8 621 2026-08-28 yes no no https://prepshorts.com/learn/class-8/maths/number-play/why-the-same-digit-sum-also-settles-divisibility-by-32026-10-03 https://prepshorts.com/poster/g08-maths-ch05-m02-t02-1280.b0dacdb48f.jpg Divisibility rule for 3: why the digit sum works NCERT Class 8 Maths Ganita Prakash, Chapter 5. The digit test for three is not a second rule. It is the test for nine, reused without a single new idea. https://prepshorts.com/v/g08-maths-ch05-m02-t02/index.m3u8 626 2026-08-28 yes no no https://prepshorts.com/learn/class-8/maths/number-play/why-the-same-digit-sum-also-settles-divisibility-by-3/hi2026-10-03 https://prepshorts.com/poster/g08-maths-ch05-m02-t02-1280.b0dacdb48f.jpg Class 8 Maths Ch 5 in Hindi · अंकों का वही योग 3 NCERT Class 8 Maths Chapter 5 in Hindi · कक्षा 8, अध्याय 5, हिंदी में. Why the same digit sum also settles divisibility by 3. https://prepshorts.com/v/g08-maths-ch05-m02-t02/index.m3u8 626 2026-08-28 yes no no https://prepshorts.com/learn/class-8/maths/number-play/the-alternating-sum-test-for-112026-10-03 https://prepshorts.com/poster/g08-maths-ch05-m02-t03-1280.d5c7b30d4d.jpg The alternating-sum test for 11 Class 8 Maths Ganita Prakash, Ch 5. The test for eleven looks nothing like the test for nine, and is built by the same method with exactly one line changed. https://prepshorts.com/v/g08-maths-ch05-m02-t03/index.m3u8 563 2026-08-28 yes no no https://prepshorts.com/learn/class-8/maths/number-play/the-alternating-sum-test-for-11/hi2026-10-03 https://prepshorts.com/poster/g08-maths-ch05-m02-t03-1280.d5c7b30d4d.jpg Class 8 Maths Ch 5 in Hindi · 11 के लिए एकांतर योग वाली जाँच NCERT Class 8 Maths Chapter 5 in Hindi · कक्षा 8, अध्याय 5, हिंदी में. The alternating-sum test for 11. आपके पास 9 का एक test है, बस अंक जोड़िए।. https://prepshorts.com/v/g08-maths-ch05-m02-t03/index.m3u8 563 2026-08-28 yes no no https://prepshorts.com/learn/class-8/maths/number-play/divisibility-by-6-and-other-numbers-checked-through-their2026-10-03 https://prepshorts.com/poster/g08-maths-ch05-m02-t04-1280.714a612061.jpg Divisibility by 6, checked through factors NCERT Class 8 Maths Ganita Prakash, Chapter 5. Six has no divisibility test of its own and does not need one. THE SAME MOVE ON TWENTY-FOUR IS FALSE. https://prepshorts.com/v/g08-maths-ch05-m02-t04/index.m3u8 590 2026-08-28 yes no no https://prepshorts.com/learn/class-8/maths/number-play/divisibility-by-6-and-other-numbers-checked-through-their/hi2026-10-03 https://prepshorts.com/poster/g08-maths-ch05-m02-t04-1280.714a612061.jpg Class 8 Maths Ch 5 in Hindi · 6 और दूसरी संख्याओं NCERT Class 8 Maths Chapter 5 in Hindi · कक्षा 8, अध्याय 5, हिंदी में. Divisibility by 6 and other numbers, checked through their factors. https://prepshorts.com/v/g08-maths-ch05-m02-t04/index.m3u8 590 2026-08-28 yes no no https://prepshorts.com/learn/class-8/maths/number-play/digital-roots-and-what-survives-repeated-digit-summing2026-10-03 https://prepshorts.com/poster/g08-maths-ch05-m02-t05-1280.00b78314a6.jpg Digital roots, and what survives repeated digit-summing NCERT Class 8 Maths Ganita Prakash, Chapter 5. Summing a number's digits over and over destroys almost everything about it. Exactly one thing survives. https://prepshorts.com/v/g08-maths-ch05-m02-t05/index.m3u8 582 2026-08-28 yes no no https://prepshorts.com/learn/class-8/maths/number-play/digital-roots-and-what-survives-repeated-digit-summing/hi2026-10-03 https://prepshorts.com/poster/g08-maths-ch05-m02-t05-1280.00b78314a6.jpg Class 8 Maths Ch 5 in Hindi · अंकीय मूल NCERT Class 8 Maths Ch 5 in Hindi · कक्षा 8, अध्याय 5, हिंदी में. संख्या 489710 के अंक जोड़िए, 29 आता है, फिर 11, फिर 2। ये आख़िरी 2 असल में क्या बताता है? https://prepshorts.com/v/g08-maths-ch05-m02-t05/index.m3u8 582 2026-08-28 yes no no https://prepshorts.com/learn/class-8/maths/number-play/cracking-a-cryptarithm-by-reasoning-about-digits-not2026-10-03 https://prepshorts.com/poster/g08-maths-ch05-m03-t01-1280.e7522694f3.jpg Cracking a cryptarithm by reasoning NCERT Class 8 Maths Ganita Prakash, Chapter 5. A sum with letters where the digits should be looks like a search. https://prepshorts.com/v/g08-maths-ch05-m03-t01/index.m3u8 598 2026-08-28 yes no no https://prepshorts.com/learn/class-8/maths/number-play/cracking-a-cryptarithm-by-reasoning-about-digits-not/hi2026-10-03 https://prepshorts.com/poster/g08-maths-ch05-m03-t01-1280.e7522694f3.jpg Class 8 Maths Ch 5 in Hindi · अंक पहेली को अंदाज़े से नहीं NCERT Class 8 Maths Chapter 5 in Hindi · कक्षा 8, अध्याय 5, हिंदी में. A1 + 1B = B0: letters की जगह कौन से अंक हैं? https://prepshorts.com/v/g08-maths-ch05-m03-t01/index.m3u8 598 2026-08-28 yes no no https://prepshorts.com/learn/class-8/maths/we-distribute-yet-things-multiply/what-happens-to-a-product-when-you-nudge-one-factor2026-10-03 https://prepshorts.com/poster/g08-maths-ch06-m01-t01-1280.879d3ea06d.jpg What happens to a product when you nudge one factor NCERT Class 8 Maths Ganita Prakash, Chapter 6. Move one factor by one and the product does not move by one. It moves by the other factor. https://prepshorts.com/v/g08-maths-ch06-m01-t01/index.m3u8 629 2026-08-28 yes no no https://prepshorts.com/learn/class-8/maths/we-distribute-yet-things-multiply/what-happens-to-a-product-when-you-nudge-one-factor/hi2026-10-03 https://prepshorts.com/poster/g08-maths-ch06-m01-t01-1280.879d3ea06d.jpg Class 8 Maths Ch 6 in Hindi · किसी product के एक factor NCERT Class 8 Maths Chapter 6 in Hindi · कक्षा 8, अध्याय 6, हिंदी में. 23 x 27 = 621. 23 को 1 बढ़ाइए, तो गुणनफल कितना बढ़ता है? https://prepshorts.com/v/g08-maths-ch06-m01-t01/index.m3u8 629 2026-08-28 yes no no https://prepshorts.com/learn/class-8/maths/we-distribute-yet-things-multiply/multiplying-two-two-term-expressions-and-where-the-four2026-10-03 https://prepshorts.com/poster/g08-maths-ch06-m01-t02-1280.f791303efc.jpg Multiplying two two-term expressions Class 8 Maths, Ch 6. Multiply two brackets and four things come out — not because of a rule with a name, but because one rectangle cut twice has four pieces. https://prepshorts.com/v/g08-maths-ch06-m01-t02/index.m3u8 582 2026-08-28 yes no no https://prepshorts.com/learn/class-8/maths/we-distribute-yet-things-multiply/multiplying-two-two-term-expressions-and-where-the-four/hi2026-10-03 https://prepshorts.com/poster/g08-maths-ch06-m01-t02-1280.f791303efc.jpg Class 8 Maths Ch 6 in Hindi · दो-दो terms वाले दो NCERT Class 8 Maths Chapter 6 in Hindi · कक्षा 8, अध्याय 6, हिंदी में. (a + u)(b + v) = ab + av + ub + uv. न 3, न 2, बल्कि पूरी 4 चीज़ें।. https://prepshorts.com/v/g08-maths-ch06-m01-t02/index.m3u8 582 2026-08-28 yes no no https://prepshorts.com/learn/class-8/maths/we-distribute-yet-things-multiply/fast-mental-multiplication-powered-by-distribution2026-10-03 https://prepshorts.com/poster/g08-maths-ch06-m01-t03-1280.445d1ca218.jpg Fast mental multiplication, powered by distribution NCERT Class 8 Maths Ganita Prakash, Chapter 6. The one-line methods for multiplying by 11, 99 and 999 are not five tricks. https://prepshorts.com/v/g08-maths-ch06-m01-t03/index.m3u8 616 2026-08-28 yes no no https://prepshorts.com/learn/class-8/maths/we-distribute-yet-things-multiply/fast-mental-multiplication-powered-by-distribution/hi2026-10-03 https://prepshorts.com/poster/g08-maths-ch06-m01-t03-1280.445d1ca218.jpg Class 8 Maths Ch 6 in Hindi · मन में तेज़ गुणा NCERT Class 8 Maths Chapter 6 in Hindi · कक्षा 8, अध्याय 6, हिंदी में. Fast mental multiplication, powered by distribution. https://prepshorts.com/v/g08-maths-ch06-m01-t03/index.m3u8 616 2026-08-28 yes no no https://prepshorts.com/learn/class-8/maths/we-distribute-yet-things-multiply/a-b-and-a-b-why-there-is-a-middle-term-at-all2026-10-03 https://prepshorts.com/poster/g08-maths-ch06-m02-t01-1280.44515b1536.jpg (a + b)²: why is there a middle term 2ab? NCERT Class 8 Maths Ganita Prakash, Chapter 6. Squaring a sum is not squaring its parts, and the amount you lose by is not an abstraction. https://prepshorts.com/v/g08-maths-ch06-m02-t01/index.m3u8 552 2026-08-28 yes no no https://prepshorts.com/learn/class-8/maths/we-distribute-yet-things-multiply/a-b-and-a-b-why-there-is-a-middle-term-at-all/hi2026-10-03 https://prepshorts.com/poster/g08-maths-ch06-m02-t01-1280.44515b1536.jpg Class 8 Maths Ch 6 in Hindi · (a + b)² और (a − b)² NCERT Class 8 Maths Chapter 6 in Hindi · कक्षा 8, अध्याय 6, हिंदी में. (a + b)² and (a − b)²: why there is a middle term at all. https://prepshorts.com/v/g08-maths-ch06-m02-t01/index.m3u8 552 2026-08-28 yes no no https://prepshorts.com/learn/class-8/maths/we-distribute-yet-things-multiply/why-the-product-of-a-sum-and-the-matching-difference-is-a-b2026-10-03 https://prepshorts.com/poster/g08-maths-ch06-m02-t02-1280.34d8634c4d.jpg The identity (a + b)(a − b) = a² − b² NCERT Class 8 Maths Ganita Prakash, Chapter 6. A sum times the matching difference gives four products, like any two brackets. https://prepshorts.com/v/g08-maths-ch06-m02-t02/index.m3u8 576 2026-08-28 yes no no https://prepshorts.com/learn/class-8/maths/we-distribute-yet-things-multiply/why-the-product-of-a-sum-and-the-matching-difference-is-a-b/hi2026-10-03 https://prepshorts.com/poster/g08-maths-ch06-m02-t02-1280.34d8634c4d.jpg Class 8 Maths Ch 6 in Hindi · किसी जोड़ और उससे मेल खाते NCERT Class 8 Maths Ch 6 in Hindi · कक्षा 8, अध्याय 6 हिंदी. Why the product of a sum and the matching difference is a² − b², and the patterns that follow. https://prepshorts.com/v/g08-maths-ch06-m02-t02/index.m3u8 576 2026-08-28 yes no no https://prepshorts.com/learn/class-8/maths/we-distribute-yet-things-multiply/many-different-looking-expressions-for-one-growing-pattern2026-10-03 https://prepshorts.com/poster/g08-maths-ch06-m03-t02-1280.235ccf4cba.jpg Many different-looking expressions for one growing pattern NCERT Class 8 Maths Ganita Prakash, Chapter 6. A growing pattern does not come with a formula. A GROWING PATTERN DOES NOT COME WITH A FORMULA. https://prepshorts.com/v/g08-maths-ch06-m03-t02/index.m3u8 566 2026-08-28 yes no no https://prepshorts.com/learn/class-8/maths/we-distribute-yet-things-multiply/many-different-looking-expressions-for-one-growing-pattern/hi2026-10-03 https://prepshorts.com/poster/g08-maths-ch06-m03-t02-1280.235ccf4cba.jpg Class 8 Maths Ch 6 in Hindi · एक बढ़ते pattern के लिए NCERT Class 8 Maths Chapter 6 in Hindi · कक्षा 8, अध्याय 6, हिंदी में. Many different-looking expressions for one growing pattern. https://prepshorts.com/v/g08-maths-ch06-m03-t02/index.m3u8 566 2026-08-28 yes no no https://prepshorts.com/learn/class-8/maths/proportional-reasoning-1/why-some-resized-images-look-right-and-others-look-stretched2026-10-03 https://prepshorts.com/poster/g08-maths-ch07-m01-t01-1280.a4cf20ee8f.jpg Why do some resized images look stretched? Ratios Class 8 Maths Ganita Prakash, Ch 7. Your eye sorts the stretched photographs from the good ones instantly, and cannot tell you what it just used to do it. https://prepshorts.com/v/g08-maths-ch07-m01-t01/index.m3u8 580 2026-08-28 yes no no https://prepshorts.com/learn/class-8/maths/proportional-reasoning-1/why-some-resized-images-look-right-and-others-look-stretched/hi2026-10-03 https://prepshorts.com/poster/g08-maths-ch07-m01-t01-1280.a4cf20ee8f.jpg Class 8 Maths Ch 7 in Hindi · कुछ तस्वीरें छोटी-बड़ी करने NCERT Class 8 Maths Chapter 7 in Hindi · कक्षा 8, अध्याय 7, हिंदी में. Why some resized images look right and others look stretched. https://prepshorts.com/v/g08-maths-ch07-m01-t01/index.m3u8 580 2026-08-28 yes no no https://prepshorts.com/learn/class-8/maths/proportional-reasoning-1/what-a-ratio-claims-and-why-it-is-not-a-difference2026-10-03 https://prepshorts.com/poster/g08-maths-ch07-m02-t01-1280.2baa486699.jpg What is a ratio, and why is it not a difference? NCERT Class 8 Maths Ganita Prakash, Chapter 7. A ratio is not a pair of numbers. Name the terms of a ratio and identify which quantity each term measures. https://prepshorts.com/v/g08-maths-ch07-m02-t01/index.m3u8 561 2026-08-28 yes no no https://prepshorts.com/learn/class-8/maths/proportional-reasoning-1/what-a-ratio-claims-and-why-it-is-not-a-difference/hi2026-10-03 https://prepshorts.com/poster/g08-maths-ch07-m02-t01-1280.2baa486699.jpg Class 8 Maths Ch 7 in Hindi · ratio क्या दावा करता है NCERT Class 8 Maths Chapter 7 in Hindi · कक्षा 8, अध्याय 7, हिंदी में. What a ratio claims, and why it is not a difference. https://prepshorts.com/v/g08-maths-ch07-m02-t01/index.m3u8 561 2026-08-28 yes no no https://prepshorts.com/learn/class-8/maths/proportional-reasoning-1/simplest-form-and-using-it-to-test-whether-two-ratios-are2026-10-03 https://prepshorts.com/poster/g08-maths-ch07-m02-t02-1280.b80ab59d24.jpg Simplest form, and testing two ratios NCERT Class 8 Maths Ganita Prakash, Chapter 7. Simplest form is not a tidier ratio. It is a name, and every ratio making the same claim carries it. https://prepshorts.com/v/g08-maths-ch07-m02-t02/index.m3u8 589 2026-08-28 yes no no https://prepshorts.com/learn/class-8/maths/proportional-reasoning-1/simplest-form-and-using-it-to-test-whether-two-ratios-are/hi2026-10-03 https://prepshorts.com/poster/g08-maths-ch07-m02-t02-1280.b80ab59d24.jpg Class 8 Maths Ch 7 in Hindi · सरलतम रूप NCERT Class 8 Maths Chapter 7 in Hindi · कक्षा 8, अध्याय 7, हिंदी में. 60 : 40 और 90 : 60 एक ही दावा करते हैं, पर ये factor ढूँढे बिना कैसे पता चले? https://prepshorts.com/v/g08-maths-ch07-m02-t02/index.m3u8 589 2026-08-28 yes no no https://prepshorts.com/learn/class-8/maths/proportional-reasoning-1/solving-a-proportion-problem-and-the-trairasika-rule-of2026-10-03 https://prepshorts.com/poster/g08-maths-ch07-m03-t01-1280.1834ae8ad1.jpg Solving a proportion: the rule of three NCERT Class 8 Maths Ganita Prakash, Chapter 7. If two quantities are locked together by a single factor, three of the four numbers decide the fourth. https://prepshorts.com/v/g08-maths-ch07-m03-t01/index.m3u8 566 2026-08-28 yes no no https://prepshorts.com/learn/class-8/maths/proportional-reasoning-1/solving-a-proportion-problem-and-the-trairasika-rule-of/hi2026-10-03 https://prepshorts.com/poster/g08-maths-ch07-m03-t01-1280.1834ae8ad1.jpg Class 8 Maths Ch 7 in Hindi · proportion वाला सवाल हल करना NCERT Class 8 Maths Chapter 7 in Hindi · कक्षा 8, अध्याय 7, हिंदी में. 6 गिलास नींबू पानी में 10 चम्मच चीनी जाती है, तो 18 गिलास में कितनी? https://prepshorts.com/v/g08-maths-ch07-m03-t01/index.m3u8 566 2026-08-28 yes no no https://prepshorts.com/learn/class-8/maths/proportional-reasoning-1/sharing-a-whole-in-a-given-ratio2026-10-03 https://prepshorts.com/poster/g08-maths-ch07-m03-t02-1280.d1f552ba68.jpg Sharing a whole in a given ratio NCERT Class 8 Maths Ganita Prakash, Chapter 7. A ratio counts groups, not objects. Explain why the number of groups is the sum of the terms of the ratio. https://prepshorts.com/v/g08-maths-ch07-m03-t02/index.m3u8 546 2026-08-28 yes no no https://prepshorts.com/learn/class-8/maths/proportional-reasoning-1/sharing-a-whole-in-a-given-ratio/hi2026-10-03 https://prepshorts.com/poster/g08-maths-ch07-m03-t02-1280.d1f552ba68.jpg Class 8 Maths Ch 7 in Hindi · किसी पूरे को दिए गए ratio NCERT Class 8 Maths Chapter 7 in Hindi · कक्षा 8, अध्याय 7, हिंदी में. Sharing a whole in a given ratio. एक ratio किसी हो चुके बँटवारे का बयान भी हो सकता है।. https://prepshorts.com/v/g08-maths-ch07-m03-t02/index.m3u8 546 2026-08-28 yes no no https://prepshorts.com/learn/class-8/maths/proportional-reasoning-1/unit-conversion-is-a-proportion-in-disguise2026-10-03 https://prepshorts.com/poster/g08-maths-ch07-m03-t03-1280.e380a7db9d.jpg Unit conversion is a proportion in disguise NCERT Class 8 Maths Ganita Prakash, Chapter 7. A conversion is a ratio agreed once that never changes. IT OPENS WITH TEA. https://prepshorts.com/v/g08-maths-ch07-m03-t03/index.m3u8 625 2026-08-28 yes no no https://prepshorts.com/learn/class-8/maths/proportional-reasoning-1/unit-conversion-is-a-proportion-in-disguise/hi2026-10-03 https://prepshorts.com/poster/g08-maths-ch07-m03-t03-1280.e380a7db9d.jpg Class 8 Maths Ch 7 in Hindi · इकाई बदलना NCERT Class 8 Maths Chapter 7 in Hindi · कक्षा 8, अध्याय 7, हिंदी में. Unit conversion is a proportion in disguise. https://prepshorts.com/v/g08-maths-ch07-m03-t03/index.m3u8 625 2026-08-28 yes no no https://prepshorts.com/learn/class-8/maths/fractions-in-disguise/why-forcing-every-fraction-onto-a-scale-of-100-makes-them2026-10-03 https://prepshorts.com/poster/g08-maths-ch08-m01-t01-1280.5ac7853df8.jpg Why percentages make fractions comparable NCERT Class 8 Maths Ganita Prakash, Chapter 1. A percentage is not a new kind of number. A PERCENTAGE IS NOT A NEW KIND OF NUMBER. https://prepshorts.com/v/g08-maths-ch08-m01-t01/index.m3u8 629 2026-08-28 yes no no https://prepshorts.com/learn/class-8/maths/fractions-in-disguise/why-forcing-every-fraction-onto-a-scale-of-100-makes-them/hi2026-10-03 https://prepshorts.com/poster/g08-maths-ch08-m01-t01-1280.5ac7853df8.jpg Class 8 Maths Ch 1 in Hindi · हर fraction को 100 के पैमाने NCERT Class 8 Maths Chapter 1 in Hindi · कक्षा 8, अध्याय 1, हिंदी में. Why forcing every fraction onto a scale of 100 makes them comparable. https://prepshorts.com/v/g08-maths-ch08-m01-t01/index.m3u8 629 2026-08-28 yes no no https://prepshorts.com/learn/class-8/maths/fractions-in-disguise/computing-a-percentage-in-your-head-by-splitting-it2026-10-03 https://prepshorts.com/poster/g08-maths-ch08-m02-t01-1280.6c8d8e4367.jpg Computing a percentage in your head by splitting it NCERT Class 8 Maths Ganita Prakash, Chapter 1. Mental percentage arithmetic is not a bag of tricks. MENTAL PERCENTAGE ARITHMETIC IS NOT A BAG OF TRICKS. https://prepshorts.com/v/g08-maths-ch08-m02-t01/index.m3u8 609 2026-08-28 yes no no https://prepshorts.com/learn/class-8/maths/fractions-in-disguise/computing-a-percentage-in-your-head-by-splitting-it/hi2026-10-03 https://prepshorts.com/poster/g08-maths-ch08-m02-t01-1280.6c8d8e4367.jpg Class 8 Maths Ch 1 in Hindi · percentage को तोड़कर उसे मन NCERT Class 8 Maths Chapter 1 in Hindi · कक्षा 8, अध्याय 1, हिंदी में. Computing a percentage in your head by splitting it. https://prepshorts.com/v/g08-maths-ch08-m02-t01/index.m3u8 609 2026-08-28 yes no no https://prepshorts.com/learn/class-8/maths/fractions-in-disguise/the-fdp-trio-fraction-decimal-and-percentage-as-one-object2026-10-03 https://prepshorts.com/poster/g08-maths-ch08-m02-t02-1280.e9309fdb62.jpg The FDP trio: fraction, decimal and percentage as one object NCERT Class 8 Maths Ganita Prakash, Chapter 1. A fraction, a decimal and a percentage are not three things you convert between. https://prepshorts.com/v/g08-maths-ch08-m02-t02/index.m3u8 635 2026-08-28 yes no no https://prepshorts.com/learn/class-8/maths/fractions-in-disguise/the-fdp-trio-fraction-decimal-and-percentage-as-one-object/hi2026-10-03 https://prepshorts.com/poster/g08-maths-ch08-m02-t02-1280.e9309fdb62.jpg Class 8 Maths Ch 1 in Hindi · FDP तिकड़ी: fraction NCERT Class 8 Maths Chapter 1 in Hindi · कक्षा 8, अध्याय 1, हिंदी में. The FDP trio: fraction, decimal and percentage as one object. https://prepshorts.com/v/g08-maths-ch08-m02-t02/index.m3u8 635 2026-08-28 yes no no https://prepshorts.com/learn/class-8/maths/fractions-in-disguise/what-a-percentage-greater-than-100-does-and-does-not-mean2026-10-03 https://prepshorts.com/poster/g08-maths-ch08-m02-t03-1280.773308ffe3.jpg What does a percentage over 100% mean? Class 8 Maths Ganita Prakash, Ch 1. “A percentage cannot be more than a hundred” is a belief almost everybody holds, and it is wrong about half the time. https://prepshorts.com/v/g08-maths-ch08-m02-t03/index.m3u8 595 2026-08-28 yes no no https://prepshorts.com/learn/class-8/maths/fractions-in-disguise/what-a-percentage-greater-than-100-does-and-does-not-mean/hi2026-10-03 https://prepshorts.com/poster/g08-maths-ch08-m02-t03-1280.773308ffe3.jpg Class 8 Maths Ch 1 in Hindi · 100 से बड़े percentage का क्या NCERT Class 8 Maths Chapter 1 in Hindi · कक्षा 8, अध्याय 1, हिंदी में. क्या कोई प्रतिशत 100 से ज़्यादा हो सकता है? https://prepshorts.com/v/g08-maths-ch08-m02-t03/index.m3u8 595 2026-08-28 yes no no https://prepshorts.com/learn/class-8/maths/fractions-in-disguise/comparing-two-proportions-that-have-different-totals2026-10-03 https://prepshorts.com/poster/g08-maths-ch08-m03-t01-1280.dcf21b22ce.jpg Comparing two proportions that have different totals NCERT Class 8 Maths Ganita Prakash, Chapter 1. Two proportions sitting on different totals cannot be ranked by their counts. https://prepshorts.com/v/g08-maths-ch08-m03-t01/index.m3u8 630 2026-08-28 yes no no https://prepshorts.com/learn/class-8/maths/fractions-in-disguise/comparing-two-proportions-that-have-different-totals/hi2026-10-03 https://prepshorts.com/poster/g08-maths-ch08-m03-t01-1280.dcf21b22ce.jpg Class 8 Maths Ch 1 in Hindi · अलग-अलग कुल वाले दो अनुपातों NCERT Class 8 Maths Chapter 1 in Hindi · कक्षा 8, अध्याय 1, हिंदी में. 50 में से 42 अंक, या 80 में से 70? तो किस टेस्ट में काम बेहतर हुआ? https://prepshorts.com/v/g08-maths-ch08-m03-t01/index.m3u8 630 2026-08-28 yes no no https://prepshorts.com/learn/class-8/maths/fractions-in-disguise/percentage-increase-and-decrease-and-choosing-the-right-base2026-10-03 https://prepshorts.com/poster/g08-maths-ch08-m03-t02-1280.c301be4e3c.jpg Percentage increase and decrease Class 8 Maths Ganita Prakash, Ch 1. Every percentage change is a fraction, and the number underneath it is where you started — never where you ended up. https://prepshorts.com/v/g08-maths-ch08-m03-t02/index.m3u8 627 2026-08-28 yes no no https://prepshorts.com/learn/class-8/maths/fractions-in-disguise/percentage-increase-and-decrease-and-choosing-the-right-base/hi2026-10-03 https://prepshorts.com/poster/g08-maths-ch08-m03-t02-1280.c301be4e3c.jpg Class 8 Maths Ch 1 in Hindi · percentage वृद्धि और कमी NCERT Class 8 Maths Chapter 1 in Hindi · कक्षा 8, अध्याय 1, हिंदी में. Percentage increase and decrease, and choosing the right base. https://prepshorts.com/v/g08-maths-ch08-m03-t02/index.m3u8 627 2026-08-28 yes no no https://prepshorts.com/learn/class-8/maths/fractions-in-disguise/profit-loss-and-taxes-as-percentages-of-a-stated-amount2026-10-03 https://prepshorts.com/poster/g08-maths-ch08-m03-t03-1280.cb80320bd4.jpg Profit, loss and taxes as percentages of a stated amount NCERT Class 8 Maths Ganita Prakash, Chapter 1. A profit is a fact about a sale. Compute percentage profit and percentage loss on the cost price. https://prepshorts.com/v/g08-maths-ch08-m03-t03/index.m3u8 627 2026-08-28 yes no no https://prepshorts.com/learn/class-8/maths/fractions-in-disguise/profit-loss-and-taxes-as-percentages-of-a-stated-amount/hi2026-10-03 https://prepshorts.com/poster/g08-maths-ch08-m03-t03-1280.cb80320bd4.jpg Class 8 Maths Ch 1 in Hindi · लाभ, हानि और कर NCERT Class 8 Maths Chapter 1 in Hindi · कक्षा 8, अध्याय 1, हिंदी में. Profit, loss and taxes as percentages of a stated amount. https://prepshorts.com/v/g08-maths-ch08-m03-t03/index.m3u8 627 2026-08-28 yes no no https://prepshorts.com/learn/class-8/maths/fractions-in-disguise/compounding-why-repeated-growth-multiplies-instead-of-adding2026-10-03 https://prepshorts.com/poster/g08-maths-ch08-m03-t04-1280.7ac8a7a1d0.jpg Compounding: why growth multiplies NCERT Class 8 Maths Ganita Prakash, Chapter 1. Every percentage change is worked out on the value at the start of the period. https://prepshorts.com/v/g08-maths-ch08-m03-t04/index.m3u8 571 2026-08-28 yes no no https://prepshorts.com/learn/class-8/maths/fractions-in-disguise/compounding-why-repeated-growth-multiplies-instead-of-adding/hi2026-10-03 https://prepshorts.com/poster/g08-maths-ch08-m03-t04-1280.7ac8a7a1d0.jpg Class 8 Maths Ch 1 in Hindi · Compounding NCERT Class 8 Maths Chapter 1 in Hindi · कक्षा 8, अध्याय 1, हिंदी में. Compounding: why repeated growth multiplies instead of adding. https://prepshorts.com/v/g08-maths-ch08-m03-t04/index.m3u8 571 2026-08-28 yes no no https://prepshorts.com/learn/class-8/maths/fractions-in-disguise/tricky-percentages-why-a-50-margin-followed-by-a-50-discount2026-10-03 https://prepshorts.com/poster/g08-maths-ch08-m03-t05-1280.f3cf2ebc9f.jpg Why +50% then −50% leaves a 25% loss NCERT Class 8 Maths Ganita Prakash, Chapter 1. Every percentage quietly names a number underneath it. Fifty per cent of what? https://prepshorts.com/v/g08-maths-ch08-m03-t05/index.m3u8 545 2026-08-28 yes no no https://prepshorts.com/learn/class-8/maths/fractions-in-disguise/tricky-percentages-why-a-50-margin-followed-by-a-50-discount/hi2026-10-03 https://prepshorts.com/poster/g08-maths-ch08-m03-t05-1280.f3cf2ebc9f.jpg Class 8 Maths Ch 1 in Hindi · पेचीदा percentages NCERT Class 8 Maths Chapter 1 in Hindi · कक्षा 8, अध्याय 1, हिंदी में. Tricky percentages: why a 50% margin followed by a 50% discount leaves a 25% loss. https://prepshorts.com/v/g08-maths-ch08-m03-t05/index.m3u8 545 2026-08-28 yes no no https://prepshorts.com/learn/class-8/maths/the-baudhayana-pythagoras-theorem/doubling-a-square-the-diagonal-is-the-construction2026-10-03 https://prepshorts.com/poster/g08-maths-ch09-m01-t01-1280.93f6dc6ac8.jpg Doubling a square: the diagonal is the construction NCERT Class 8 Maths Ganita Prakash, Chapter 2. Draw a square of exactly twice the area. Not roughly twice — exactly. https://prepshorts.com/v/g08-maths-ch09-m01-t01/index.m3u8 547 2026-08-28 yes no no https://prepshorts.com/learn/class-8/maths/the-baudhayana-pythagoras-theorem/doubling-a-square-the-diagonal-is-the-construction/hi2026-10-03 https://prepshorts.com/poster/g08-maths-ch09-m01-t01-1280.93f6dc6ac8.jpg Class 8 Maths Ch 2 in Hindi · square को दुगुना करना NCERT Class 8 Maths Chapter 2 in Hindi · कक्षा 8, अध्याय 2, हिंदी में. Doubling a square: the diagonal is the construction. https://prepshorts.com/v/g08-maths-ch09-m01-t01/index.m3u8 547 2026-08-28 yes no no https://prepshorts.com/learn/class-8/maths/the-baudhayana-pythagoras-theorem/halving-a-square-the-doubling-construction-run-backwards2026-10-03 https://prepshorts.com/poster/g08-maths-ch09-m01-t02-1280.ebb70d4aca.jpg Halving a square: the doubling construction run backwards NCERT Class 8 Maths Ganita Prakash, Chapter 2. Draw a square of exactly half the area — and the thing you draw has to be a square. https://prepshorts.com/v/g08-maths-ch09-m01-t02/index.m3u8 550 2026-08-28 yes no no https://prepshorts.com/learn/class-8/maths/the-baudhayana-pythagoras-theorem/halving-a-square-the-doubling-construction-run-backwards/hi2026-10-03 https://prepshorts.com/poster/g08-maths-ch09-m01-t02-1280.ebb70d4aca.jpg Class 8 Maths Ch 2 in Hindi · square को आधा करना NCERT Class 8 Maths Chapter 2 in Hindi · कक्षा 8, अध्याय 2, हिंदी में. Halving a square: the doubling construction run backwards. https://prepshorts.com/v/g08-maths-ch09-m01-t02/index.m3u8 550 2026-08-28 yes no no https://prepshorts.com/learn/class-8/maths/the-baudhayana-pythagoras-theorem/the-isosceles-right-triangle-why-its-hypotenuse-must-be-a-22026-10-03 https://prepshorts.com/poster/g08-maths-ch09-m02-t01-1280.f60449e7f3.jpg Why is the hypotenuse a√2 in an isosceles right triangle? NCERT Class 8 Maths Ganita Prakash, Chapter 2. A right triangle with two sides of length one. How long is the third? https://prepshorts.com/v/g08-maths-ch09-m02-t01/index.m3u8 574 2026-08-28 yes no no https://prepshorts.com/learn/class-8/maths/the-baudhayana-pythagoras-theorem/the-isosceles-right-triangle-why-its-hypotenuse-must-be-a-2/hi2026-10-03 https://prepshorts.com/poster/g08-maths-ch09-m02-t01-1280.f60449e7f3.jpg Class 8 Maths Ch 2 in Hindi · समद्विबाहु समकोण triangle NCERT Class 8 Maths Chapter 2 in Hindi · कक्षा 8, अध्याय 2, हिंदी में. 2 भुजाएँ 1 लंबी, बीच में 90 degree का कोना, तो तीसरी भुजा कितनी? https://prepshorts.com/v/g08-maths-ch09-m02-t01/index.m3u8 574 2026-08-28 yes no no https://prepshorts.com/learn/class-8/maths/the-baudhayana-pythagoras-theorem/why-2-is-neither-a-terminating-decimal-nor-a-fraction2026-10-03 https://prepshorts.com/poster/g08-maths-ch09-m02-t02-1280.45fdb547a7.jpg Why is √2 not a fraction or a terminating decimal? NCERT Class 8 Maths Ganita Prakash, Chapter 2. The third side has a square of exactly 2. That is a complete answer — and it is a name, not a value. https://prepshorts.com/v/g08-maths-ch09-m02-t02/index.m3u8 546 2026-08-28 yes no no https://prepshorts.com/learn/class-8/maths/the-baudhayana-pythagoras-theorem/why-2-is-neither-a-terminating-decimal-nor-a-fraction/hi2026-10-03 https://prepshorts.com/poster/g08-maths-ch09-m02-t02-1280.45fdb547a7.jpg Class 8 Maths Ch 2 in Hindi · √2 न terminating decimal है NCERT Class 8 Maths Chapter 2 in Hindi · कक्षा 8, अध्याय 2, हिंदी में. Why √2 is neither a terminating decimal nor a fraction. https://prepshorts.com/v/g08-maths-ch09-m02-t02/index.m3u8 546 2026-08-28 yes no no https://prepshorts.com/learn/class-8/maths/the-baudhayana-pythagoras-theorem/combining-two-different-squares-a-b-c2026-10-03 https://prepshorts.com/poster/g08-maths-ch09-m02-t03-1280.472649ec87.jpg Combining two different squares: a² + b² = c² NCERT Class 8 Maths Ganita Prakash, Chapter 2. Two equal squares combine into one, and a diagonal does the combining. https://prepshorts.com/v/g08-maths-ch09-m02-t03/index.m3u8 599 2026-08-28 yes no no https://prepshorts.com/learn/class-8/maths/the-baudhayana-pythagoras-theorem/combining-two-different-squares-a-b-c/hi2026-10-03 https://prepshorts.com/poster/g08-maths-ch09-m02-t03-1280.472649ec87.jpg Class 8 Maths Ch 2 in Hindi · दो अलग-अलग squares को जोड़ना NCERT Class 8 Maths Chapter 2 in Hindi · कक्षा 8, अध्याय 2, हिंदी में. Combining two different squares: a² + b² = c². https://prepshorts.com/v/g08-maths-ch09-m02-t03/index.m3u8 599 2026-08-28 yes no no https://prepshorts.com/learn/class-8/maths/the-baudhayana-pythagoras-theorem/baudhayana-pythagoras-triples-and-how-to-make-infinitely2026-10-03 https://prepshorts.com/poster/g08-maths-ch09-m03-t01-1280.e5a5c18e08.jpg Making Baudhāyana-Pythagoras triples NCERT Class 8 Maths Ganita Prakash, Chapter 2. 3, 4, 5 — nine plus sixteen is twenty-five, so three whole numbers make a right triangle. https://prepshorts.com/v/g08-maths-ch09-m03-t01/index.m3u8 654 2026-08-28 yes no no https://prepshorts.com/learn/class-8/maths/the-baudhayana-pythagoras-theorem/baudhayana-pythagoras-triples-and-how-to-make-infinitely/hi2026-10-03 https://prepshorts.com/poster/g08-maths-ch09-m03-t01-1280.e5a5c18e08.jpg Class 8 Maths Ch 2 in Hindi · Baudhāyana-Pythagoras triples NCERT Class 8 Maths Chapter 2 in Hindi · कक्षा 8, अध्याय 2, हिंदी में. Baudhāyana-Pythagoras triples, and how to make infinitely many. https://prepshorts.com/v/g08-maths-ch09-m03-t01/index.m3u8 654 2026-08-28 yes no no https://prepshorts.com/learn/class-8/maths/the-baudhayana-pythagoras-theorem/fermat-s-last-theorem-the-same-question-one-power-up2026-10-03 https://prepshorts.com/poster/g08-maths-ch09-m03-t02-1280.2a45f98069.jpg Fermat's Last Theorem: the same question one power up NCERT Class 8 Maths Ganita Prakash, Chapter 2. Squares split into two smaller squares over and over. 9 + 16 = 25. https://prepshorts.com/v/g08-maths-ch09-m03-t02/index.m3u8 592 2026-08-28 yes no no https://prepshorts.com/learn/class-8/maths/the-baudhayana-pythagoras-theorem/fermat-s-last-theorem-the-same-question-one-power-up/hi2026-10-03 https://prepshorts.com/poster/g08-maths-ch09-m03-t02-1280.2a45f98069.jpg Class 8 Maths Ch 2 in Hindi · Fermat's Last Theorem NCERT Class 8 Maths Ch 2 in Hindi · कक्षा 8, अध्याय 2 हिंदी. 9 और 16 का जोड़ 25 है, और 200 तक ऐसे 127 बँटवारे मिलते हैं। तो क्या cubes के साथ भी ऐसा होता है? https://prepshorts.com/v/g08-maths-ch09-m03-t02/index.m3u8 592 2026-08-28 yes no no https://prepshorts.com/learn/class-8/maths/the-baudhayana-pythagoras-theorem/applying-the-theorem-the-lotus-in-the-lake-problem-from-the2026-10-03 https://prepshorts.com/poster/g08-maths-ch09-m03-t03-1280.53593234ea.jpg The lotus-in-the-lake problem, from the Līlāvatī NCERT Class 8 Maths Ganita Prakash, Chapter 2. A lotus stands one unit clear of a lake. Set up 3² + x² = (x + 1)², expand it, and see the x² terms cancel. https://prepshorts.com/v/g08-maths-ch09-m03-t03/index.m3u8 589 2026-08-28 yes no no https://prepshorts.com/learn/class-8/maths/the-baudhayana-pythagoras-theorem/applying-the-theorem-the-lotus-in-the-lake-problem-from-the/hi2026-10-03 https://prepshorts.com/poster/g08-maths-ch09-m03-t03-1280.53593234ea.jpg Class 8 Maths Ch 2 in Hindi · theorem का इस्तेमाल NCERT Class 8 Maths Chapter 2 in Hindi · कक्षा 8, अध्याय 2, हिंदी में. Applying the theorem: the lotus-in-the-lake problem from the Līlāvatī. https://prepshorts.com/v/g08-maths-ch09-m03-t03/index.m3u8 589 2026-08-28 yes no no https://prepshorts.com/learn/class-8/maths/proportional-reasoning-2/direct-proportion-restated-the-quotient-that-stays-constant2026-10-03 https://prepshorts.com/poster/g08-maths-ch10-m01-t01-1280.0bdaf15835.jpg Direct proportion restated: the quotient that stays constant NCERT Class 8 Maths Ganita Prakash, Chapter 3. Two cooks work from the same batter rule — 6 cups of flour to 3 of milk, and 4 to 2. Will it taste the same? https://prepshorts.com/v/g08-maths-ch10-m01-t01/index.m3u8 586 2026-08-28 yes no no https://prepshorts.com/learn/class-8/maths/proportional-reasoning-2/direct-proportion-restated-the-quotient-that-stays-constant/hi2026-10-03 https://prepshorts.com/poster/g08-maths-ch10-m01-t01-1280.0bdaf15835.jpg Class 8 Maths Ch 3 in Hindi · Direct proportion फिर से NCERT Class 8 Maths Ch 3 in Hindi · कक्षा 8, अध्याय 3 हिंदी. एक रसोइया 6 कप मैदा और 3 कप दूध लेता है, दूसरा 4 कप मैदा और 2 कप दूध। क्या स्वाद एक जैसा होगा? https://prepshorts.com/v/g08-maths-ch10-m01-t01/index.m3u8 586 2026-08-28 yes no no https://prepshorts.com/learn/class-8/maths/proportional-reasoning-2/map-scale-as-a-ratio-and-what-it-lets-you-compute2026-10-03 https://prepshorts.com/poster/g08-maths-ch10-m01-t02-1280.9d161d2506.jpg Map scale as a ratio, and what it lets you compute NCERT Class 8 Maths Ganita Prakash, Chapter 3. Every map has a number tucked in one corner and most people never read it. https://prepshorts.com/v/g08-maths-ch10-m01-t02/index.m3u8 598 2026-08-28 yes no no https://prepshorts.com/learn/class-8/maths/proportional-reasoning-2/map-scale-as-a-ratio-and-what-it-lets-you-compute/hi2026-10-03 https://prepshorts.com/poster/g08-maths-ch10-m01-t02-1280.9d161d2506.jpg Class 8 Maths Ch 3 in Hindi · नक़्शे का scale एक ratio NCERT Class 8 Maths Chapter 3 in Hindi · कक्षा 8, अध्याय 3, हिंदी में. Map scale as a ratio, and what it lets you compute. https://prepshorts.com/v/g08-maths-ch10-m01-t02/index.m3u8 598 2026-08-28 yes no no https://prepshorts.com/learn/class-8/maths/proportional-reasoning-2/ratios-of-three-or-more-quantities-at-once2026-10-03 https://prepshorts.com/poster/g08-maths-ch10-m01-t03-1280.0d94e70342.jpg Ratios of three or more quantities at once NCERT Class 8 Maths Ganita Prakash, Chapter 3. A spice rub ground from four things at once. Written as a comparison, it is one claim, not three separate ones. https://prepshorts.com/v/g08-maths-ch10-m01-t03/index.m3u8 556 2026-08-28 yes no no https://prepshorts.com/learn/class-8/maths/proportional-reasoning-2/ratios-of-three-or-more-quantities-at-once/hi2026-10-03 https://prepshorts.com/poster/g08-maths-ch10-m01-t03-1280.0d94e70342.jpg Class 8 Maths Ch 3 in Hindi · एक साथ तीन या ज़्यादा मात्राओं NCERT Class 8 Maths Chapter 3 in Hindi · कक्षा 8, अध्याय 3, हिंदी में. Ratios of three or more quantities at once. https://prepshorts.com/v/g08-maths-ch10-m01-t03/index.m3u8 556 2026-08-28 yes no no https://prepshorts.com/learn/class-8/maths/proportional-reasoning-2/dividing-a-quantity-in-a-given-ratio2026-10-03 https://prepshorts.com/poster/g08-maths-ch10-m02-t01-1280.485feadf99.jpg Dividing a quantity in a given ratio NCERT Class 8 Maths Ganita Prakash, Chapter 3. Make more of this keeping the recipe, and cut this up keeping the recipe, sound like opposites. https://prepshorts.com/v/g08-maths-ch10-m02-t01/index.m3u8 569 2026-08-28 yes no no https://prepshorts.com/learn/class-8/maths/proportional-reasoning-2/dividing-a-quantity-in-a-given-ratio/hi2026-10-03 https://prepshorts.com/poster/g08-maths-ch10-m02-t01-1280.485feadf99.jpg Class 8 Maths Ch 3 in Hindi · किसी मात्रा को दिए गए ratio NCERT Class 8 Maths Chapter 3 in Hindi · कक्षा 8, अध्याय 3, हिंदी में. Dividing a quantity in a given ratio. बस इतना ही, पूरा हिसाब यही एक भाग है।. https://prepshorts.com/v/g08-maths-ch10-m02-t01/index.m3u8 569 2026-08-28 yes no no https://prepshorts.com/learn/class-8/maths/proportional-reasoning-2/building-a-pie-chart-turning-counts-into-angles2026-10-03 https://prepshorts.com/poster/g08-maths-ch10-m02-t02-1280.eb7215f97e.jpg Building a pie chart: turning counts into angles NCERT Class 8 Maths Ganita Prakash, Chapter 3. Forty students across five grades, drawn as a circle cut into five slices. https://prepshorts.com/v/g08-maths-ch10-m02-t02/index.m3u8 601 2026-08-28 yes no no https://prepshorts.com/learn/class-8/maths/proportional-reasoning-2/building-a-pie-chart-turning-counts-into-angles/hi2026-10-03 https://prepshorts.com/poster/g08-maths-ch10-m02-t02-1280.eb7215f97e.jpg Class 8 Maths Ch 3 in Hindi · Pie chart बनाना NCERT Class 8 Maths Chapter 3 in Hindi · कक्षा 8, अध्याय 3, हिंदी में. Building a pie chart: turning counts into angles. https://prepshorts.com/v/g08-maths-ch10-m02-t02/index.m3u8 601 2026-08-28 yes no no https://prepshorts.com/learn/class-8/maths/proportional-reasoning-2/when-one-quantity-rises-and-the-other-falls-by-the-inverse2026-10-03 https://prepshorts.com/poster/g08-maths-ch10-m03-t01-1280.5d8e378caf.jpg Inverse proportion: one rises, the other falls NCERT Class 8 Maths Ganita Prakash, Chapter 3. A road takes 3 hours at 30 km/h. Use the constant-product relation to find a missing value in either quantity. https://prepshorts.com/v/g08-maths-ch10-m03-t01/index.m3u8 638 2026-08-28 yes no no https://prepshorts.com/learn/class-8/maths/proportional-reasoning-2/when-one-quantity-rises-and-the-other-falls-by-the-inverse/hi2026-10-03 https://prepshorts.com/poster/g08-maths-ch10-m03-t01-1280.5d8e378caf.jpg Class 8 Maths Ch 3 in Hindi · जब एक मात्रा बढ़ती है और दूसरी NCERT Class 8 Maths Chapter 3 in Hindi · कक्षा 8, अध्याय 3, हिंदी में. 30 किलोमीटर प्रति घंटे से 3 घंटे का रास्ता 60 की रफ़्तार पर कितनी देर का? https://prepshorts.com/v/g08-maths-ch10-m03-t01/index.m3u8 638 2026-08-28 yes no no https://prepshorts.com/learn/class-8/maths/exploring-some-geometric-themes/self-similarity-a-shape-that-contains-copies-of-itself2026-10-03 https://prepshorts.com/poster/g08-maths-ch11-m01-t01-1280.242d8ed77b.jpg Self-similarity: a shape that contains copies of itself NCERT Class 8 Maths Ganita Prakash, Chapter 4. Take one leaf of a fern frond and blow it up, and you land on a frond. https://prepshorts.com/v/g08-maths-ch11-m01-t01/index.m3u8 570 2026-08-28 yes no no https://prepshorts.com/learn/class-8/maths/exploring-some-geometric-themes/self-similarity-a-shape-that-contains-copies-of-itself/hi2026-10-03 https://prepshorts.com/poster/g08-maths-ch11-m01-t01-1280.242d8ed77b.jpg Class 8 Maths Ch 4 in Hindi · Self-similarity NCERT Class 8 Maths Chapter 4 in Hindi · कक्षा 8, अध्याय 4, हिंदी में. Self-similarity: a shape that contains copies of itself. https://prepshorts.com/v/g08-maths-ch11-m01-t01/index.m3u8 570 2026-08-28 yes no no https://prepshorts.com/learn/class-8/maths/exploring-some-geometric-themes/the-sierpinski-carpet-and-gasket-what-repeated-removal2026-10-03 https://prepshorts.com/poster/g08-maths-ch11-m01-t02-1280.821d51320c.jpg The Sierpinski carpet and gasket NCERT Class 8 Maths Ganita Prakash, Chapter 4. Two constructions, and almost everything about them is the same. https://prepshorts.com/v/g08-maths-ch11-m01-t02/index.m3u8 563 2026-08-28 yes no no https://prepshorts.com/learn/class-8/maths/exploring-some-geometric-themes/the-sierpinski-carpet-and-gasket-what-repeated-removal/hi2026-10-03 https://prepshorts.com/poster/g08-maths-ch11-m01-t02-1280.821d51320c.jpg Class 8 Maths Ch 4 in Hindi · Sierpinski carpet और gasket NCERT Class 8 Maths Chapter 4 in Hindi · कक्षा 8, अध्याय 4, हिंदी में. The Sierpinski carpet and gasket: what repeated removal leaves behind. https://prepshorts.com/v/g08-maths-ch11-m01-t02/index.m3u8 563 2026-08-28 yes no no https://prepshorts.com/learn/class-8/maths/exploring-some-geometric-themes/the-koch-snowflake-and-how-its-sides-and-perimeter-grow-at2026-10-03 https://prepshorts.com/poster/g08-maths-ch11-m01-t03-1280.781b5a5589.jpg The Koch snowflake, step by step NCERT Class 8 Maths Ganita Prakash, Chapter 4. One rule, applied to one line, over and over. ONE RULE, APPLIED TO ONE LINE, OVER AND OVER. https://prepshorts.com/v/g08-maths-ch11-m01-t03/index.m3u8 564 2026-08-28 yes no no https://prepshorts.com/learn/class-8/maths/exploring-some-geometric-themes/the-koch-snowflake-and-how-its-sides-and-perimeter-grow-at/hi2026-10-03 https://prepshorts.com/poster/g08-maths-ch11-m01-t03-1280.781b5a5589.jpg Class 8 Maths Ch 4 in Hindi · Koch snowflake NCERT Class 8 Maths Chapter 4 in Hindi · कक्षा 8, अध्याय 4, हिंदी में. The Koch snowflake, and how its sides and perimeter grow at each step. https://prepshorts.com/v/g08-maths-ch11-m01-t03/index.m3u8 564 2026-08-28 yes no no https://prepshorts.com/learn/class-8/maths/exploring-some-geometric-themes/fractals-in-art-temple-textile-and-print-built-by-repeating2026-10-03 https://prepshorts.com/poster/g08-maths-ch11-m01-t04-1280.e72a988889.jpg Fractals in temple, textile and print NCERT Class 8 Maths Ganita Prakash, Chapter 4. People were building these long before anyone had a word for them. https://prepshorts.com/v/g08-maths-ch11-m01-t04/index.m3u8 554 2026-08-28 yes no no https://prepshorts.com/learn/class-8/maths/exploring-some-geometric-themes/fractals-in-art-temple-textile-and-print-built-by-repeating/hi2026-10-03 https://prepshorts.com/poster/g08-maths-ch11-m01-t04-1280.e72a988889.jpg Class 8 Maths Ch 4 in Hindi · कला में fractals: मंदिर NCERT Class 8 Maths Ch 4 in Hindi · कक्षा 8, अध्याय 4 हिंदी. Fractals in art: temple, textile and print built by repeating the whole at a smaller scale. https://prepshorts.com/v/g08-maths-ch11-m01-t04/index.m3u8 554 2026-08-28 yes no no https://prepshorts.com/learn/class-8/maths/exploring-some-geometric-themes/constructing-a-solid-in-your-head-from-a-description2026-10-03 https://prepshorts.com/poster/g08-maths-ch11-m02-t01-1280.7c1a619c6c.jpg Constructing a solid in your head from a description NCERT Class 8 Maths Ganita Prakash, Chapter 4. Visualising is an operation, not a talent. Say what problem the rest of §4.2 is set up to solve. https://prepshorts.com/v/g08-maths-ch11-m02-t01/index.m3u8 593 2026-08-28 yes no no https://prepshorts.com/learn/class-8/maths/exploring-some-geometric-themes/constructing-a-solid-in-your-head-from-a-description/hi2026-10-03 https://prepshorts.com/poster/g08-maths-ch11-m02-t01-1280.7c1a619c6c.jpg Class 8 Maths Ch 4 in Hindi · किसी विवरण से मन में एक ठोस NCERT Class 8 Maths Chapter 4 in Hindi · कक्षा 8, अध्याय 4, हिंदी में. Constructing a solid in your head from a description. https://prepshorts.com/v/g08-maths-ch11-m02-t01/index.m3u8 593 2026-08-28 yes no no https://prepshorts.com/learn/class-8/maths/exploring-some-geometric-themes/nets-which-flat-shapes-fold-into-which-solid2026-10-03 https://prepshorts.com/poster/g08-maths-ch11-m02-t02-1280.5e261c1056.jpg Nets: which flat shapes fold into which solid NCERT Class 8 Maths Ganita Prakash, Chapter 4. A net is not a picture of a solid. It is the solid's surface, cut along enough edges to lie flat. https://prepshorts.com/v/g08-maths-ch11-m02-t02/index.m3u8 615 2026-08-28 yes no no https://prepshorts.com/learn/class-8/maths/exploring-some-geometric-themes/nets-which-flat-shapes-fold-into-which-solid/hi2026-10-03 https://prepshorts.com/poster/g08-maths-ch11-m02-t02-1280.5e261c1056.jpg Class 8 Maths Ch 4 in Hindi · Nets: कौन-सी समतल आकृतियाँ NCERT Class 8 Maths Chapter 4 in Hindi · कक्षा 8, अध्याय 4, हिंदी में. Nets: which flat shapes fold into which solid. https://prepshorts.com/v/g08-maths-ch11-m02-t02/index.m3u8 615 2026-08-28 yes no no https://prepshorts.com/learn/class-8/maths/exploring-some-geometric-themes/the-shortest-path-across-a-cube-found-by-flattening-it2026-10-03 https://prepshorts.com/poster/g08-maths-ch11-m02-t03-1280.cb8121dbe4.jpg The shortest path across a cube, found by flattening it NCERT Class 8 Maths Ganita Prakash, Chapter 4. An ant on a cardboard box, a crumb somewhere else on it. AN ANT WALKS ON A CARDBOARD BOX. https://prepshorts.com/v/g08-maths-ch11-m02-t03/index.m3u8 543 2026-08-28 yes no no https://prepshorts.com/learn/class-8/maths/exploring-some-geometric-themes/the-shortest-path-across-a-cube-found-by-flattening-it/hi2026-10-03 https://prepshorts.com/poster/g08-maths-ch11-m02-t03-1280.cb8121dbe4.jpg Class 8 Maths Ch 4 in Hindi · cube के आर-पार सबसे छोटा NCERT Class 8 Maths Chapter 4 in Hindi · कक्षा 8, अध्याय 4, हिंदी में. The shortest path across a cube, found by flattening it. https://prepshorts.com/v/g08-maths-ch11-m02-t03/index.m3u8 543 2026-08-28 yes no no https://prepshorts.com/learn/class-8/maths/exploring-some-geometric-themes/front-top-and-side-views-and-what-each-one-loses2026-10-03 https://prepshorts.com/poster/g08-maths-ch11-m03-t01-1280.77e3143abd.jpg Front, top and side views, and what each one loses NCERT Class 8 Maths Ganita Prakash, Chapter 4. A solid has three directions and a sheet of paper has two, so one direction has to go. https://prepshorts.com/v/g08-maths-ch11-m03-t01/index.m3u8 601 2026-08-28 yes no no https://prepshorts.com/learn/class-8/maths/exploring-some-geometric-themes/front-top-and-side-views-and-what-each-one-loses/hi2026-10-03 https://prepshorts.com/poster/g08-maths-ch11-m03-t01-1280.77e3143abd.jpg Class 8 Maths Ch 4 in Hindi · Front, top और side views NCERT Class 8 Maths Chapter 4 in Hindi · कक्षा 8, अध्याय 4, हिंदी में. Front, top and side views, and what each one loses. https://prepshorts.com/v/g08-maths-ch11-m03-t01/index.m3u8 601 2026-08-28 yes no no https://prepshorts.com/learn/class-8/maths/exploring-some-geometric-themes/isometric-projection-the-orientation-that-keeps-all-edges2026-10-03 https://prepshorts.com/poster/g08-maths-ch11-m03-t02-1280.e27a7419fd.jpg Isometric projection of a solid NCERT Class 8 Maths Ganita Prakash, Chapter 4. A shadow always shortens, and the real damage is that it shortens unevenly. https://prepshorts.com/v/g08-maths-ch11-m03-t02/index.m3u8 584 2026-08-28 yes no no https://prepshorts.com/learn/class-8/maths/exploring-some-geometric-themes/isometric-projection-the-orientation-that-keeps-all-edges/hi2026-10-03 https://prepshorts.com/poster/g08-maths-ch11-m03-t02-1280.e27a7419fd.jpg Class 8 Maths Ch 4 in Hindi · Isometric projection NCERT Class 8 Maths Chapter 4 in Hindi · कक्षा 8, अध्याय 4, हिंदी में. Isometric projection: the orientation that keeps all edges equal. https://prepshorts.com/v/g08-maths-ch11-m03-t02/index.m3u8 584 2026-08-28 yes no no https://prepshorts.com/learn/class-8/maths/exploring-some-geometric-themes/drawing-solids-on-an-isometric-grid2026-09-30 https://prepshorts.com/poster/g08-maths-ch11-m03-t03-1280.e8c4a7f77f.jpg Drawing solids on an isometric grid NCERT Class 8 Maths Ganita Prakash, Chapter 4. Four squares joined edge to edge make five shapes — and five is not the only answer. https://prepshorts.com/v/g08-maths-ch11-m03-t03/index.m3u8 592 2026-08-28 yes no no https://prepshorts.com/learn/class-8/maths/tales-by-dots-and-lines/the-mean-as-the-point-where-the-distances-balance2026-09-30 https://prepshorts.com/poster/g08-maths-ch12-m01-t01-1280.030648d3a1.jpg The mean as the point where the distances balance NCERT Class 8 Maths Ganita Prakash, Chapter 5. Dividing the total by the count looks like a recipe for sharing. https://prepshorts.com/v/g08-maths-ch12-m01-t01/index.m3u8 599 2026-08-28 yes no no https://prepshorts.com/learn/class-8/maths/tales-by-dots-and-lines/which-added-values-move-the-mean-and-in-which-direction2026-09-30 https://prepshorts.com/poster/g08-maths-ch12-m01-t02-1280.cb1a82a331.jpg How does adding a value change the mean? NCERT Class 8 Maths Ganita Prakash, Chapter 5. One sentence answers this whole topic. A new value drags the average towards itself and never past itself. https://prepshorts.com/v/g08-maths-ch12-m01-t02/index.m3u8 591 2026-08-28 yes no no https://prepshorts.com/learn/class-8/maths/tales-by-dots-and-lines/whether-adding-a-value-raises-or-lowers-the-median2026-09-30 https://prepshorts.com/poster/g08-maths-ch12-m02-t01-1280.6644d735e6.jpg How does adding a value change the median? NCERT Class 8 Maths Ganita Prakash, Chapter 5. The median only ever asks a value which side it is on. Never how far away it is. https://prepshorts.com/v/g08-maths-ch12-m02-t01/index.m3u8 532 2026-08-28 yes no no https://prepshorts.com/learn/class-8/maths/tales-by-dots-and-lines/working-backwards-from-an-average-to-a-missing-value2026-09-30 https://prepshorts.com/poster/g08-maths-ch12-m02-t02-1280.e252b9bd9a.jpg Working backwards from an average to a missing value NCERT Class 8 Maths Ganita Prakash, Chapter 5. An average is not a summary that has forgotten the numbers. The nine legible weights come to 349. https://prepshorts.com/v/g08-maths-ch12-m02-t02/index.m3u8 589 2026-08-28 yes no no https://prepshorts.com/learn/class-8/maths/tales-by-dots-and-lines/mean-and-median-from-a-frequency-table-by-hand-and-in-a2026-09-30 https://prepshorts.com/poster/g08-maths-ch12-m02-t03-1280.8f727f3d2b.jpg Mean and median from a frequency table NCERT Class 8 Maths Ganita Prakash, Chapter 5. A frequency table is an ordinary list with the repetitions folded up. https://prepshorts.com/v/g08-maths-ch12-m02-t03/index.m3u8 556 2026-08-28 yes no no https://prepshorts.com/learn/class-8/maths/tales-by-dots-and-lines/line-graphs-and-what-change-over-time-looks-like2026-09-30 https://prepshorts.com/poster/g08-maths-ch12-m03-t01-1280.d46ab1342f.jpg Line graphs, and what change over time looks like NCERT Class 8 Maths Ganita Prakash, Chapter 5. Drawing the same twelve numbers as a line instead of columns adds no figure at all to the data. https://prepshorts.com/v/g08-maths-ch12-m03-t01/index.m3u8 629 2026-08-28 yes no no https://prepshorts.com/learn/class-8/maths/tales-by-dots-and-lines/interrogating-a-real-dataset-traffic-and-rainfall2026-09-30 https://prepshorts.com/poster/g08-maths-ch12-m03-t02-1280.467f2b553e.jpg Interrogating a real dataset: traffic, and rainfall NCERT Class 8 Maths Ganita Prakash, Chapter 5. A graph is evidence for some claims and silent about others. Most people carry two verdicts, true and false. https://prepshorts.com/v/g08-maths-ch12-m03-t02/index.m3u8 630 2026-08-28 yes no no https://prepshorts.com/learn/class-8/maths/tales-by-dots-and-lines/infographics-and-activity-strips-what-a-visual-shows-and2026-09-30 https://prepshorts.com/poster/g08-maths-ch12-m03-t03-1280.36c94a7c90.jpg What an infographic shows, and what it hides NCERT Class 8 Maths Ganita Prakash, Chapter 5. An encoding buys you a pattern and spends the numbers to buy it. https://prepshorts.com/v/g08-maths-ch12-m03-t03/index.m3u8 640 2026-08-28 yes no no https://prepshorts.com/learn/class-8/maths/tales-by-dots-and-lines/telling-a-story-with-data-and-letting-it-raise-the-next2026-09-30 https://prepshorts.com/poster/g08-maths-ch12-m03-t04-1280.28fe058a3b.jpg Telling a story with data NCERT Class 8 Maths Ganita Prakash, Chapter 5. A data story does not end in a conclusion. The quantity did not become smooth; the POINTS became crowded. https://prepshorts.com/v/g08-maths-ch12-m03-t04/index.m3u8 571 2026-08-28 yes no no https://prepshorts.com/learn/class-8/maths/algebra-play/why-a-think-of-a-number-trick-always-works-and-how-to-invent2026-09-30 https://prepshorts.com/poster/g08-maths-ch13-m01-t01-1280.182ad15b99.jpg Why a think-of-a-number trick always works NCERT Class 8 Maths Ganita Prakash, Chapter 6. Think of a number, double it, add four, halve it, take away the number. https://prepshorts.com/v/g08-maths-ch13-m01-t01/index.m3u8 589 2026-08-28 yes no no https://prepshorts.com/learn/class-8/maths/algebra-play/number-pyramids-what-the-top-cell-is-made-of2026-09-30 https://prepshorts.com/poster/g08-maths-ch13-m02-t01-1280.46d0c255fe.jpg Number pyramids: what the top cell is made of NCERT Class 8 Maths Ganita Prakash, Chapter 6. The top of a number pyramid is not something you have to climb to. https://prepshorts.com/v/g08-maths-ch13-m02-t01/index.m3u8 601 2026-08-28 yes no no https://prepshorts.com/learn/class-8/maths/algebra-play/calendar-magic-the-position-in-the-grid-is-the-whole-secret2026-09-30 https://prepshorts.com/poster/g08-maths-ch13-m02-t02-1280.60e5a822f1.jpg Calendar magic: the position in the grid is the whole secret NCERT Class 8 Maths Ganita Prakash, Chapter 6. A friend circles four dates on a calendar and tells you only their total. https://prepshorts.com/v/g08-maths-ch13-m02-t02/index.m3u8 553 2026-08-28 yes no no https://prepshorts.com/learn/class-8/maths/algebra-play/algebra-grids-every-row-is-an-equation-and-the-shapes-are2026-09-30 https://prepshorts.com/poster/g08-maths-ch13-m02-t03-1280.5c4bc593a3.jpg Algebra grids: every row is an equation NCERT Class 8 Maths Ganita Prakash, Chapter 6. A grid of drawn shapes with a number at the end of each row is a system of equations wearing a picture. https://prepshorts.com/v/g08-maths-ch13-m02-t03/index.m3u8 552 2026-08-28 yes no no https://prepshorts.com/learn/class-8/maths/algebra-play/arranging-given-digits-to-make-the-largest-product2026-09-30 https://prepshorts.com/poster/g08-maths-ch13-m03-t01-1280.1ff534a2ca.jpg Arranging given digits to make the largest product NCERT Class 8 Maths Ganita Prakash, Chapter 6. Put 2, 3 and 5 into a two-digit number and a single multiplier. https://prepshorts.com/v/g08-maths-ch13-m03-t01/index.m3u8 633 2026-08-28 yes no no https://prepshorts.com/learn/class-8/maths/algebra-play/decoding-a-divisibility-trick-with-algebra2026-09-30 https://prepshorts.com/poster/g08-maths-ch13-m03-t02-1280.b14575e5bb.jpg Decoding a divisibility trick with algebra NCERT Class 8 Maths Ganita Prakash, Chapter 6. Reverse a two-digit number, subtract the smaller from the larger, divide by nine. https://prepshorts.com/v/g08-maths-ch13-m03-t02/index.m3u8 616 2026-08-28 yes no no https://prepshorts.com/learn/class-8/maths/area/area-as-a-count-of-unit-squares2026-09-30 https://prepshorts.com/poster/g08-maths-ch14-m01-t01-1280.4955021804.jpg Area as a count of unit squares — Class 8 NCERT Class 8 Maths Ganita Prakash, Chapter 7. One square cut into four equal parts. HERE IS A SQUARE CUT INTO FOUR EQUAL PARTS - one cut down, one across. https://prepshorts.com/v/g08-maths-ch14-m01-t01/index.m3u8 605 2026-08-28 yes no no https://prepshorts.com/learn/class-8/maths/area/why-perimeter-cannot-stand-in-for-area2026-09-30 https://prepshorts.com/poster/g08-maths-ch14-m01-t02-1280.df1406ceef.jpg Perimeter vs area: why one cannot replace the other NCERT Class 8 Maths Ganita Prakash, Chapter 7. Every flat shape gives you two numbers: how far round the edge, and how much is inside. https://prepshorts.com/v/g08-maths-ch14-m01-t02/index.m3u8 553 2026-08-28 yes no no https://prepshorts.com/learn/class-8/maths/area/why-the-area-of-a-triangle-is-half-base-times-height2026-09-30 https://prepshorts.com/poster/g08-maths-ch14-m02-t01-1280.cffa8934a1.jpg Why is the area of a triangle ½ × base × height? NCERT Class 8 Maths Ganita Prakash, Chapter 7. Draw a triangle inside a rectangle and slide its top corner along the top edge. https://prepshorts.com/v/g08-maths-ch14-m02-t01/index.m3u8 607 2026-08-28 yes no no https://prepshorts.com/learn/class-8/maths/area/triangles-with-the-same-base-and-height-have-the-same-area2026-09-30 https://prepshorts.com/poster/g08-maths-ch14-m02-t02-1280.bf401776f6.jpg Triangles with the same base and height have the same area NCERT Class 8 Maths, Chapter 7. Both diagonals of a rectangle cut it into four triangles that plainly do not match — two wide and low, two narrow and tall. https://prepshorts.com/v/g08-maths-ch14-m02-t02/index.m3u8 555 2026-08-28 yes no no https://prepshorts.com/learn/class-8/maths/area/any-polygon-is-a-pile-of-triangles2026-09-30 https://prepshorts.com/poster/g08-maths-ch14-m02-t03-1280.44cbfd9338.jpg Any polygon is a pile of triangles NCERT Class 8 Maths Ganita Prakash, Chapter 7. A quadrilateral with no name: four different sides, no two parallel, no formula anywhere. https://prepshorts.com/v/g08-maths-ch14-m02-t03/index.m3u8 632 2026-08-28 yes no no https://prepshorts.com/learn/class-8/maths/area/area-of-a-parallelogram-by-turning-it-into-a-rectangle2026-09-30 https://prepshorts.com/poster/g08-maths-ch14-m03-t01-1280.9b4694b52d.jpg Area of a parallelogram: why it is base × height NCERT Class 8 Maths Ganita Prakash, Chapter 7. The plan is not to find a formula. It is to find a rectangle. Define dissection, and state what it preserves. https://prepshorts.com/v/g08-maths-ch14-m03-t01/index.m3u8 618 2026-08-28 yes no no https://prepshorts.com/learn/class-8/maths/area/area-of-a-rhombus-from-its-diagonals2026-09-30 https://prepshorts.com/poster/g08-maths-ch14-m03-t02-1280.37c8b7524d.jpg Area of a rhombus from its diagonals NCERT Class 8 Maths Ganita Prakash, Chapter 7. A rhombus is a parallelogram, so base times height already covers it. https://prepshorts.com/v/g08-maths-ch14-m03-t02/index.m3u8 618 2026-08-28 yes no no https://prepshorts.com/learn/class-8/maths/area/area-of-a-trapezium-derived-two-different-ways2026-09-30 https://prepshorts.com/poster/g08-maths-ch14-m03-t03-1280.e991d262c9.jpg Area of a trapezium, derived two different ways NCERT Class 8 Maths, Ch 7. Half the height times the sum of the parallel sides is not a fourth thing to memorise, and the half is not something to remember. https://prepshorts.com/v/g08-maths-ch14-m03-t03/index.m3u8 633 2026-08-28 yes no no https://prepshorts.com/learn/class-8/maths/area/units-for-real-areas-and-why-converting-between-them-squares2026-09-30 https://prepshorts.com/poster/g08-maths-ch14-m03-t04-1280.fd84668e87.jpg Units of area, and converting between them NCERT Class 8 Maths Ganita Prakash, Chapter 7. One square inch is 6.4516 square centimetres. An inch is 2.54 centimetres. https://prepshorts.com/v/g08-maths-ch14-m03-t04/index.m3u8 602 2026-08-28 yes no no https://prepshorts.com/learn/class-9/maths/orienting-yourself-the-use-of-coordinates/where-coordinates-came-from-grid-cities-meridians-and-the2026-09-29 https://prepshorts.com/poster/g09-maths-ch01-m01-t01-1280.15e1eae10a.jpg Where coordinates came from NCERT Class 9 Maths Ganita Manjari, Chapter 1. Point across the room and say “it’s over there”. Point at something across the room and say 'it's over there'. https://prepshorts.com/v/g09-maths-ch01-m01-t01/index.m3u8 581 2026-08-28 yes no no https://prepshorts.com/learn/class-9/maths/orienting-yourself-the-use-of-coordinates/where-coordinates-came-from-grid-cities-meridians-and-the/hi2026-09-29 https://prepshorts.com/poster/g09-maths-ch01-m01-t01-1280.15e1eae10a.jpg Class 9 Maths Ch 1 in Hindi · coordinates कहाँ से आए NCERT Class 9 Maths Ch 1 in Hindi · कक्षा 9, अध्याय 1 हिंदी. कमरे के उस पार किसी चीज़ की तरफ़ इशारा करना तभी काम करता है जब सामने वाला तुम्हारा हाथ देख सके. https://prepshorts.com/v/g09-maths-ch01-m01-t01/index.m3u8 581 2026-08-28 yes no no https://prepshorts.com/learn/class-9/maths/orienting-yourself-the-use-of-coordinates/describing-a-room-you-cannot-see-a-grid-as-a-shared-language2026-09-29 https://prepshorts.com/poster/g09-maths-ch01-m01-t02-1280.1ca601da33.jpg A grid as a shared language for position NCERT Class 9 Maths Ganita Manjari, Chapter 1. A loop of wool round a wardrobe hands over its shape exactly. Now try to hand over where it STANDS. https://prepshorts.com/v/g09-maths-ch01-m01-t02/index.m3u8 529 2026-08-28 yes no no https://prepshorts.com/learn/class-9/maths/orienting-yourself-the-use-of-coordinates/describing-a-room-you-cannot-see-a-grid-as-a-shared-language/hi2026-09-29 https://prepshorts.com/poster/g09-maths-ch01-m01-t02-1280.1ca601da33.jpg Class 9 Maths Ch 1 in Hindi · एक ऐसा कमरा बताना जो तुम देख NCERT Class 9 Maths Chapter 1 in Hindi · कक्षा 9, अध्याय 1, हिंदी में. Describing a room you cannot see: a grid as a shared language for position. https://prepshorts.com/v/g09-maths-ch01-m01-t02/index.m3u8 529 2026-08-28 yes no no https://prepshorts.com/learn/class-9/maths/orienting-yourself-the-use-of-coordinates/two-axes-an-origin-and-why-the-order-of-the-pair-matters2026-09-29 https://prepshorts.com/poster/g09-maths-ch01-m02-t01-1280.a837b10835.jpg Coordinates: why the order of (x, y) matters NCERT Class 9 Maths Ganita Manjari, Chapter 1. One number gives every point on a line its own address. Then the heart of it. https://prepshorts.com/v/g09-maths-ch01-m02-t01/index.m3u8 594 2026-08-28 yes no no https://prepshorts.com/learn/class-9/maths/orienting-yourself-the-use-of-coordinates/two-axes-an-origin-and-why-the-order-of-the-pair-matters/hi2026-09-29 https://prepshorts.com/poster/g09-maths-ch01-m02-t01-1280.a837b10835.jpg Class 9 Maths Ch 1 in Hindi · 2 axes, एक origin NCERT Class 9 Maths Chapter 1 in Hindi · कक्षा 9, अध्याय 1, हिंदी में. एक number line पर हर point का ठीक 1 address है. https://prepshorts.com/v/g09-maths-ch01-m02-t01/index.m3u8 594 2026-08-28 yes no no https://prepshorts.com/learn/class-9/maths/orienting-yourself-the-use-of-coordinates/the-four-quadrants-and-reading-a-point-s-signs-off-its2026-09-29 https://prepshorts.com/poster/g09-maths-ch01-m02-t02-1280.fd0a1ef9cf.jpg The four quadrants, and a point's signs NCERT Class 9 Maths Ganita Manjari, Chapter 1. Two crossed lines do exactly one thing to the plane: they cut it. https://prepshorts.com/v/g09-maths-ch01-m02-t02/index.m3u8 567 2026-08-28 yes no no https://prepshorts.com/learn/class-9/maths/orienting-yourself-the-use-of-coordinates/the-four-quadrants-and-reading-a-point-s-signs-off-its/hi2026-09-29 https://prepshorts.com/poster/g09-maths-ch01-m02-t02-1280.fd0a1ef9cf.jpg Class 9 Maths Ch 1 in Hindi · 4 quadrants NCERT Class 9 Maths Chapter 1 in Hindi · कक्षा 9, अध्याय 1, हिंदी में. 2 lines, right angle पर, plane के साथ बस 1 काम करती हैं: उसे काटती हैं. https://prepshorts.com/v/g09-maths-ch01-m02-t02/index.m3u8 567 2026-08-28 yes no no https://prepshorts.com/learn/class-9/maths/orienting-yourself-the-use-of-coordinates/distance-when-the-segment-is-parallel-to-an-axis2026-09-29 https://prepshorts.com/poster/g09-maths-ch01-m03-t01-1280.549af96aa9.jpg Distance between two points on a line parallel to an axis NCERT Class 9 Maths Ganita Manjari, Chapter 1. The easiest distance there is, usually waved through in a sentence. https://prepshorts.com/v/g09-maths-ch01-m03-t01/index.m3u8 555 2026-08-28 yes no no https://prepshorts.com/learn/class-9/maths/orienting-yourself-the-use-of-coordinates/distance-when-the-segment-is-parallel-to-an-axis/hi2026-09-29 https://prepshorts.com/poster/g09-maths-ch01-m03-t01-1280.549af96aa9.jpg Class 9 Maths Ch 1 in Hindi · axis के parallel segment NCERT Class 9 Maths Chapter 1 in Hindi · कक्षा 9, अध्याय 1, हिंदी में. Distance when the segment is parallel to an axis. https://prepshorts.com/v/g09-maths-ch01-m03-t01/index.m3u8 555 2026-08-28 yes no no https://prepshorts.com/learn/class-9/maths/orienting-yourself-the-use-of-coordinates/the-distance-formula-baudhayana-pythagoras-rewritten-in2026-09-29 https://prepshorts.com/poster/g09-maths-ch01-m03-t02-1280.0491503408.jpg The distance formula in coordinates NCERT Class 9 Maths Ganita Manjari, Chapter 1. The distance formula is not a new fact. The distance formula is not a new fact. https://prepshorts.com/v/g09-maths-ch01-m03-t02/index.m3u8 549 2026-08-28 yes no no https://prepshorts.com/learn/class-9/maths/orienting-yourself-the-use-of-coordinates/the-distance-formula-baudhayana-pythagoras-rewritten-in/hi2026-09-29 https://prepshorts.com/poster/g09-maths-ch01-m03-t02-1280.0491503408.jpg Class 9 Maths Ch 1 in Hindi · distance formula: Baudhāyana NCERT Class 9 Maths Chapter 1 in Hindi · कक्षा 9, अध्याय 1, हिंदी में. distance formula कोई नया fact नहीं है. अब ये रहे 2 points जो कुछ भी share नहीं करते।. https://prepshorts.com/v/g09-maths-ch01-m03-t02/index.m3u8 549 2026-08-28 yes no no https://prepshorts.com/learn/class-9/maths/introduction-to-linear-polynomials/turning-a-situation-into-an-expression-terms-variables2026-09-29 https://prepshorts.com/poster/g09-maths-ch02-m01-t01-1280.57097c9042.jpg Terms, variables and coefficients NCERT Class 9 Maths Ganita Manjari, Chapter 2. A letter is not a number you have forgotten. Two red and three blue gives 8 + 15 + 3 = 26. https://prepshorts.com/v/g09-maths-ch02-m01-t01/index.m3u8 570 2026-08-28 yes no no https://prepshorts.com/learn/class-9/maths/introduction-to-linear-polynomials/turning-a-situation-into-an-expression-terms-variables/hi2026-09-29 https://prepshorts.com/poster/g09-maths-ch02-m01-t01-1280.57097c9042.jpg Class 9 Maths Ch 2 in Hindi · किसी situation को expression NCERT Class 9 Maths Chapter 2 in Hindi · कक्षा 9, अध्याय 2, हिंदी में. एक algebraic expression में letter कोई भूला हुआ number नहीं है. https://prepshorts.com/v/g09-maths-ch02-m01-t01/index.m3u8 570 2026-08-28 yes no no https://prepshorts.com/learn/class-9/maths/introduction-to-linear-polynomials/univariate-polynomials-and-what-degree-names2026-09-29 https://prepshorts.com/poster/g09-maths-ch02-m01-t02-1280.f16c2ab010.jpg Univariate polynomials and what degree names NCERT Class 9 Maths Ganita Manjari, Chapter 2. Restrict yourself to one letter and a single number describes the whole expression. https://prepshorts.com/v/g09-maths-ch02-m01-t02/index.m3u8 549 2026-08-28 yes no no https://prepshorts.com/learn/class-9/maths/introduction-to-linear-polynomials/univariate-polynomials-and-what-degree-names/hi2026-09-29 https://prepshorts.com/poster/g09-maths-ch02-m01-t02-1280.f16c2ab010.jpg Class 9 Maths Ch 2 in Hindi · Univariate polynomials NCERT Class 9 Maths Chapter 2 in Hindi · कक्षा 9, अध्याय 2, हिंदी में. Univariate polynomials and what degree names. https://prepshorts.com/v/g09-maths-ch02-m01-t02/index.m3u8 549 2026-08-28 yes no no https://prepshorts.com/learn/class-9/maths/introduction-to-linear-polynomials/what-makes-a-polynomial-linear-and-the-equation-you-get-by2026-09-29 https://prepshorts.com/poster/g09-maths-ch02-m01-t03-1280.b83a86d169.jpg What makes a polynomial linear NCERT Class 9 Maths Ganita Manjari, Chapter 2. Feed a linear polynomial evenly spaced inputs and the answers come out evenly spaced too — wherever you start. https://prepshorts.com/v/g09-maths-ch02-m01-t03/index.m3u8 558 2026-08-28 yes no no https://prepshorts.com/learn/class-9/maths/introduction-to-linear-polynomials/what-makes-a-polynomial-linear-and-the-equation-you-get-by/hi2026-09-29 https://prepshorts.com/poster/g09-maths-ch02-m01-t03-1280.b83a86d169.jpg Class 9 Maths Ch 2 in Hindi · polynomial को linear क्या NCERT Class 9 Maths Chapter 2 in Hindi · कक्षा 9, अध्याय 2, हिंदी में. What makes a polynomial linear, and the equation you get by fixing its value. https://prepshorts.com/v/g09-maths-ch02-m01-t03/index.m3u8 558 2026-08-28 yes no no https://prepshorts.com/learn/class-9/maths/introduction-to-linear-polynomials/a-polynomial-as-an-input-output-machine2026-09-29 https://prepshorts.com/poster/g09-maths-ch02-m01-t04-1280.185e05451e.jpg A polynomial as an input–output machine NCERT Class 9 Maths Ganita Manjari, Chapter 2. Every question so far has been what a polynomial is. Ask what it does and the rule comes apart from the values. https://prepshorts.com/v/g09-maths-ch02-m01-t04/index.m3u8 550 2026-08-28 yes no no https://prepshorts.com/learn/class-9/maths/introduction-to-linear-polynomials/a-polynomial-as-an-input-output-machine/hi2026-09-29 https://prepshorts.com/poster/g09-maths-ch02-m01-t04-1280.185e05451e.jpg Class 9 Maths Ch 2 in Hindi · polynomial, एक input NCERT Class 9 Maths Chapter 2 in Hindi · कक्षा 9, अध्याय 2, हिंदी में. A polynomial as an input–output machine. https://prepshorts.com/v/g09-maths-ch02-m01-t04/index.m3u8 550 2026-08-28 yes no no https://prepshorts.com/learn/class-9/maths/introduction-to-linear-polynomials/a-constant-difference-is-the-signature-of-a-linear-pattern2026-09-29 https://prepshorts.com/poster/g09-maths-ch02-m02-t01-1280.d483a04cf5.jpg A constant difference is the signature of a linear pattern NCERT Class 9 Maths Ganita Manjari, Chapter 2. 1, 3, 5, 7, 9 — every gap is 2, and a constant gap is the fingerprint of a linear pattern. https://prepshorts.com/v/g09-maths-ch02-m02-t01/index.m3u8 575 2026-08-28 yes no no https://prepshorts.com/learn/class-9/maths/introduction-to-linear-polynomials/a-constant-difference-is-the-signature-of-a-linear-pattern/hi2026-09-29 https://prepshorts.com/poster/g09-maths-ch02-m02-t01-1280.d483a04cf5.jpg Class 9 Maths Ch 2 in Hindi · जो difference कभी नहीं बदलता NCERT Class 9 Maths Chapter 2 in Hindi · कक्षा 9, अध्याय 2, हिंदी में. A constant difference is the signature of a linear pattern. https://prepshorts.com/v/g09-maths-ch02-m02-t01/index.m3u8 575 2026-08-28 yes no no https://prepshorts.com/learn/class-9/maths/introduction-to-linear-polynomials/linear-growth-and-linear-decay2026-10-03 https://prepshorts.com/poster/g09-maths-ch02-m02-t02-1280.bf76b1f879.jpg Linear growth and linear decay NCERT Class 9 Maths Ganita Manjari, Chapter 2. A cost that climbs and a tank that empties look like opposites. https://prepshorts.com/v/g09-maths-ch02-m02-t02/index.m3u8 628 2026-08-28 yes no no https://prepshorts.com/learn/class-9/maths/introduction-to-linear-polynomials/linear-growth-and-linear-decay/hi2026-09-29 https://prepshorts.com/poster/g09-maths-ch02-m02-t02-1280.bf76b1f879.jpg Class 9 Maths Ch 2 in Hindi · linear growth और linear decay NCERT Class 9 Maths Chapter 2 in Hindi · कक्षा 9, अध्याय 2, हिंदी में. Linear growth and linear decay. यानी एक ऊपर चढ़ता है, और दूसरा नीचे उतरता है।. https://prepshorts.com/v/g09-maths-ch02-m02-t02/index.m3u8 628 2026-08-28 yes no no https://prepshorts.com/learn/class-9/maths/introduction-to-linear-polynomials/recovering-y-ax-b-from-two-observations2026-09-29 https://prepshorts.com/poster/g09-maths-ch02-m03-t01-1280.9642202594.jpg Recovering y = ax + b from two observations NCERT Class 9 Maths Ganita Manjari, Chapter 2. Two bills arrive and no price list came with them. Turn each of two observations into an equation in a and b. https://prepshorts.com/v/g09-maths-ch02-m03-t01/index.m3u8 615 2026-08-28 yes no no https://prepshorts.com/learn/class-9/maths/introduction-to-linear-polynomials/recovering-y-ax-b-from-two-observations/hi2026-09-29 https://prepshorts.com/poster/g09-maths-ch02-m03-t01-1280.9642202594.jpg Class 9 Maths Ch 2 in Hindi · दो observations से y = ax + b NCERT Class 9 Maths Chapter 2 in Hindi · कक्षा 9, अध्याय 2, हिंदी में. Recovering y = ax + b from two observations. https://prepshorts.com/v/g09-maths-ch02-m03-t01/index.m3u8 615 2026-08-28 yes no no https://prepshorts.com/learn/class-9/maths/introduction-to-linear-polynomials/why-two-points-are-enough-to-draw-the-line2026-09-29 https://prepshorts.com/poster/g09-maths-ch02-m03-t02-1280.e94c7618df.jpg Why do two points determine a straight line? NCERT Class 9 Maths Ganita Manjari, Chapter 2. A rule has an answer for every input you can name, so drawing it cannot mean drawing all of it. https://prepshorts.com/v/g09-maths-ch02-m03-t02/index.m3u8 590 2026-08-28 yes no no https://prepshorts.com/learn/class-9/maths/introduction-to-linear-polynomials/why-two-points-are-enough-to-draw-the-line/hi2026-09-29 https://prepshorts.com/poster/g09-maths-ch02-m03-t02-1280.e94c7618df.jpg Class 9 Maths Ch 2 in Hindi · line खींचने के लिए दो points NCERT Class 9 Maths Chapter 2 in Hindi · कक्षा 9, अध्याय 2, हिंदी में. Why two points are enough to draw the line. https://prepshorts.com/v/g09-maths-ch02-m03-t02/index.m3u8 590 2026-08-28 yes no no https://prepshorts.com/learn/class-9/maths/introduction-to-linear-polynomials/what-a-and-b-do-to-the-line-slope-y-intercept-and-parallel2026-09-29 https://prepshorts.com/poster/g09-maths-ch02-m03-t03-1280.2f9c949199.jpg Slope, y-intercept, and parallel lines NCERT Class 9 Maths Ganita Manjari, Chapter 2. The two constants in y = ax + b do jobs that never interfere. First pin the constant at nothing. https://prepshorts.com/v/g09-maths-ch02-m03-t03/index.m3u8 582 2026-08-28 yes no no https://prepshorts.com/learn/class-9/maths/introduction-to-linear-polynomials/what-a-and-b-do-to-the-line-slope-y-intercept-and-parallel/hi2026-09-29 https://prepshorts.com/poster/g09-maths-ch02-m03-t03-1280.2f9c949199.jpg Class 9 Maths Ch 2 in Hindi · a और b line के साथ क्या करते NCERT Class 9 Maths Chapter 2 in Hindi · कक्षा 9, अध्याय 2, हिंदी में. What a and b do to the line: slope, y-intercept, and parallel families. https://prepshorts.com/v/g09-maths-ch02-m03-t03/index.m3u8 582 2026-08-28 yes no no https://prepshorts.com/learn/class-9/maths/the-world-of-numbers/one-to-one-correspondence-counting-without-number-words2026-09-29 https://prepshorts.com/poster/g09-maths-ch03-m01-t01-1280.0836b9b68c.jpg One-to-one correspondence: counting without number words NCERT Class 9 Maths Ganita Manjari, Chapter 3. A herder with no word for any number still has to know, before dark, that every animal is back. https://prepshorts.com/v/g09-maths-ch03-m01-t01/index.m3u8 536 2026-08-28 yes no no https://prepshorts.com/learn/class-9/maths/the-world-of-numbers/one-to-one-correspondence-counting-without-number-words/hi2026-09-29 https://prepshorts.com/poster/g09-maths-ch03-m01-t01-1280.0836b9b68c.jpg Class 9 Maths Ch 3 in Hindi · One-to-one correspondence NCERT Class 9 Maths Chapter 3 in Hindi · कक्षा 9, अध्याय 3, हिंदी में. One-to-one correspondence: counting without number words. https://prepshorts.com/v/g09-maths-ch03-m01-t01/index.m3u8 536 2026-08-28 yes no no https://prepshorts.com/learn/class-9/maths/the-world-of-numbers/why-india-needed-names-for-powers-of-ten2026-09-29 https://prepshorts.com/poster/g09-maths-ch03-m01-t02-1280.24721a43c1.jpg Vedic names for powers of ten: why India needed them NCERT Class 9 Maths Ganita Manjari, Chapter 3. A name for a power of ten is not vocabulary. A name for a power of ten is not vocabulary. https://prepshorts.com/v/g09-maths-ch03-m01-t02/index.m3u8 600 2026-08-28 yes no no https://prepshorts.com/learn/class-9/maths/the-world-of-numbers/why-india-needed-names-for-powers-of-ten/hi2026-09-29 https://prepshorts.com/poster/g09-maths-ch03-m01-t02-1280.24721a43c1.jpg Class 9 Maths Ch 3 in Hindi · भारत को 10 की घातों के नामों NCERT Class 9 Maths Chapter 3 in Hindi · कक्षा 9, अध्याय 3, हिंदी में. Why India needed names for powers of ten. https://prepshorts.com/v/g09-maths-ch03-m01-t02/index.m3u8 600 2026-08-28 yes no no https://prepshorts.com/learn/class-9/maths/the-world-of-numbers/from-shunyata-to-shunya-turning-nothing-into-a-number-you2026-09-29 https://prepshorts.com/poster/g09-maths-ch03-m02-t01-1280.315484b8b5.jpg From śhūnyatā to śhūnya: zero as a number NCERT Class 9 Maths Ganita Manjari, Chapter 3. A placeholder and a number are not the same thing, and what separates them is rules. https://prepshorts.com/v/g09-maths-ch03-m02-t01/index.m3u8 629 2026-08-28 yes no no https://prepshorts.com/learn/class-9/maths/the-world-of-numbers/from-shunyata-to-shunya-turning-nothing-into-a-number-you/hi2026-09-29 https://prepshorts.com/poster/g09-maths-ch03-m02-t01-1280.315484b8b5.jpg Class 9 Maths Ch 3 in Hindi · शून्यता से शून्य तक NCERT Class 9 Maths Chapter 3 in Hindi · कक्षा 9, अध्याय 3, हिंदी में. From śhūnyatā to śhūnya: turning nothing into a number you can compute with. https://prepshorts.com/v/g09-maths-ch03-m02-t01/index.m3u8 629 2026-08-28 yes no no https://prepshorts.com/learn/class-9/maths/the-world-of-numbers/debts-and-fortunes-negative-numbers-close-subtraction2026-09-29 https://prepshorts.com/poster/g09-maths-ch03-m02-t02-1280.5ce568dea5.jpg Debts and fortunes: negative numbers close subtraction NCERT Class 9 Maths Ganita Manjari, Chapter 3. Negative numbers were not invented to be strange. They were invented because subtraction was broken. https://prepshorts.com/v/g09-maths-ch03-m02-t02/index.m3u8 582 2026-08-28 yes no no https://prepshorts.com/learn/class-9/maths/the-world-of-numbers/debts-and-fortunes-negative-numbers-close-subtraction/hi2026-09-29 https://prepshorts.com/poster/g09-maths-ch03-m02-t02-1280.5ce568dea5.jpg Class 9 Maths Ch 3 in Hindi · ऋण और धन NCERT Class 9 Maths Chapter 3 in Hindi · कक्षा 9, अध्याय 3, हिंदी में. Debts and fortunes: negative numbers close subtraction. https://prepshorts.com/v/g09-maths-ch03-m02-t02/index.m3u8 582 2026-08-28 yes no no https://prepshorts.com/learn/class-9/maths/the-world-of-numbers/why-a-debt-times-a-debt-is-a-fortune2026-10-03 https://prepshorts.com/poster/g09-maths-ch03-m02-t03-1280.4dc3e566d1.jpg Why minus times minus is plus: Class 9 explanation NCERT Class 9 Maths Ganita Manjari, Chapter 3. Two negatives make a positive is the most memorised and least understood rule in school arithmetic. https://prepshorts.com/v/g09-maths-ch03-m02-t03/index.m3u8 585 2026-08-28 yes no no https://prepshorts.com/learn/class-9/maths/the-world-of-numbers/why-a-debt-times-a-debt-is-a-fortune/hi2026-09-29 https://prepshorts.com/poster/g09-maths-ch03-m02-t03-1280.4dc3e566d1.jpg Class 9 Maths Ch 3 in Hindi · debt को debt से गुणा करने NCERT Class 9 Maths Chapter 3 in Hindi · कक्षा 9, अध्याय 3, हिंदी में. Why a debt times a debt is a fortune. Net -12 आता है, यानी आपके नाम कुल 12 का debt है।. https://prepshorts.com/v/g09-maths-ch03-m02-t03/index.m3u8 585 2026-08-28 yes no no https://prepshorts.com/learn/class-9/maths/the-world-of-numbers/what-rational-means-and-why-the-denominator-cannot-be-zero2026-09-29 https://prepshorts.com/poster/g09-maths-ch03-m03-t01-1280.d8e35385ef.jpg What a rational number is NCERT Class 9 Maths Ganita Manjari, Chapter 3. Everyone can recite that you cannot divide by zero. Everyone can recite that you cannot divide by zero. https://prepshorts.com/v/g09-maths-ch03-m03-t01/index.m3u8 568 2026-08-28 yes no no https://prepshorts.com/learn/class-9/maths/the-world-of-numbers/what-rational-means-and-why-the-denominator-cannot-be-zero/hi2026-09-29 https://prepshorts.com/poster/g09-maths-ch03-m03-t01-1280.d8e35385ef.jpg Class 9 Maths Ch 3 in Hindi · "Rational" का मतलब क्या है NCERT Class 9 Maths Chapter 3 in Hindi · कक्षा 9, अध्याय 3, हिंदी में. What "rational" means, and why the denominator cannot be zero. https://prepshorts.com/v/g09-maths-ch03-m03-t01/index.m3u8 568 2026-08-28 yes no no https://prepshorts.com/learn/class-9/maths/the-world-of-numbers/placing-a-rational-number-on-the-line-and-distance-as-a-b2026-09-29 https://prepshorts.com/poster/g09-maths-ch03-m03-t02-1280.8baadbdc13.jpg Rational numbers on the line, and |a − b| NCERT Class 9 Maths Ganita Manjari, Chapter 3. Where exactly is a fraction on the number line? Not roughly — exactly. https://prepshorts.com/v/g09-maths-ch03-m03-t02/index.m3u8 550 2026-08-28 yes no no https://prepshorts.com/learn/class-9/maths/the-world-of-numbers/placing-a-rational-number-on-the-line-and-distance-as-a-b/hi2026-09-29 https://prepshorts.com/poster/g09-maths-ch03-m03-t02-1280.8baadbdc13.jpg Class 9 Maths Ch 3 in Hindi · किसी rational number को line NCERT Class 9 Maths Chapter 3 in Hindi · कक्षा 9, अध्याय 3, हिंदी में. Placing a rational number on the line, and distance as |a − b|. https://prepshorts.com/v/g09-maths-ch03-m03-t02/index.m3u8 550 2026-08-28 yes no no https://prepshorts.com/learn/class-9/maths/the-world-of-numbers/density-averaging-always-finds-another-rational-in-between2026-09-29 https://prepshorts.com/poster/g09-maths-ch03-m03-t03-1280.a9c0e5703f.jpg Density: averaging always finds another rational in between NCERT Class 9 Maths Ganita Manjari, Chapter 3. Between any two fractions there is a third, and you never have to hunt for it. https://prepshorts.com/v/g09-maths-ch03-m03-t03/index.m3u8 568 2026-08-28 yes no no https://prepshorts.com/learn/class-9/maths/the-world-of-numbers/density-averaging-always-finds-another-rational-in-between/hi2026-09-29 https://prepshorts.com/poster/g09-maths-ch03-m03-t03-1280.a9c0e5703f.jpg Class 9 Maths Ch 3 in Hindi · Density: average हमेशा बीच NCERT Class 9 Maths Chapter 3 in Hindi · कक्षा 9, अध्याय 3, हिंदी में. Density: averaging always finds another rational in between. https://prepshorts.com/v/g09-maths-ch03-m03-t03/index.m3u8 568 2026-08-28 yes no no https://prepshorts.com/learn/class-9/maths/the-world-of-numbers/proof-by-contradiction-why-2-cannot-be-a-ratio-of-integers2026-09-29 https://prepshorts.com/poster/g09-maths-ch03-m04-t01-1280.0dd01790ee.jpg Why is √2 irrational? Proof by contradiction NCERT Class 9 Maths Ganita Manjari, Chapter 3. Draw a square one unit on a side and draw its diagonal. Draw a square one unit on a side and draw its diagonal. https://prepshorts.com/v/g09-maths-ch03-m04-t01/index.m3u8 556 2026-08-28 yes no no https://prepshorts.com/learn/class-9/maths/the-world-of-numbers/proof-by-contradiction-why-2-cannot-be-a-ratio-of-integers/hi2026-09-29 https://prepshorts.com/poster/g09-maths-ch03-m04-t01-1280.0dd01790ee.jpg Class 9 Maths Ch 3 in Hindi · Proof by contradiction NCERT Class 9 Maths Chapter 3 in Hindi · कक्षा 9, अध्याय 3, हिंदी में. Proof by contradiction: why √2 cannot be a ratio of integers. https://prepshorts.com/v/g09-maths-ch03-m04-t01/index.m3u8 556 2026-08-28 yes no no https://prepshorts.com/learn/class-9/maths/the-world-of-numbers/constructing-an-irrational-length-and-marking-it-on-the2026-09-29 https://prepshorts.com/poster/g09-maths-ch03-m04-t02-1280.e8942fc068.jpg Marking an irrational length on the line NCERT Class 9 Maths Ganita Manjari, Chapter 3. You cannot reach √2 by cutting the unit into equal parts, because every such cut gives a fraction. https://prepshorts.com/v/g09-maths-ch03-m04-t02/index.m3u8 542 2026-08-28 yes no no https://prepshorts.com/learn/class-9/maths/the-world-of-numbers/constructing-an-irrational-length-and-marking-it-on-the/hi2026-09-29 https://prepshorts.com/poster/g09-maths-ch03-m04-t02-1280.e8942fc068.jpg Class 9 Maths Ch 3 in Hindi · एक irrational length बनाना NCERT Class 9 Maths Chapter 3 in Hindi · कक्षा 9, अध्याय 3, हिंदी में. Constructing an irrational length and marking it on the number line. https://prepshorts.com/v/g09-maths-ch03-m04-t02/index.m3u8 542 2026-08-28 yes no no https://prepshorts.com/learn/class-9/maths/the-world-of-numbers/from-aryabhata-s-approximation-to-madhava-s-infinite-series2026-09-29 https://prepshorts.com/poster/g09-maths-ch03-m04-t03-1280.c2b447b377.jpg π, from Āryabhaṭa to Mādhava Class 9 Maths, Ch 3. Every circle gives back the same number when you divide its circumference by its diameter, and nothing about a circle promises that. https://prepshorts.com/v/g09-maths-ch03-m04-t03/index.m3u8 580 2026-08-28 yes no no https://prepshorts.com/learn/class-9/maths/the-world-of-numbers/from-aryabhata-s-approximation-to-madhava-s-infinite-series/hi2026-09-29 https://prepshorts.com/poster/g09-maths-ch03-m04-t03-1280.c2b447b377.jpg Class 9 Maths Ch 3 in Hindi · π: Āryabhaṭa के approximation NCERT Class 9 Maths Chapter 3 in Hindi · कक्षा 9, अध्याय 3, हिंदी में. π: from Āryabhaṭa's approximation to Mādhava's infinite series. https://prepshorts.com/v/g09-maths-ch03-m04-t03/index.m3u8 580 2026-08-28 yes no no https://prepshorts.com/learn/class-9/maths/the-world-of-numbers/why-long-division-must-either-stop-or-loop2026-09-29 https://prepshorts.com/poster/g09-maths-ch03-m05-t01-1280.c9e8bc6df1.jpg Why do decimals of fractions terminate or repeat? NCERT Class 9 Maths Ganita Manjari, Chapter 3. Three eighths stops. Five elevenths never does. The usual question is which fractions do which. https://prepshorts.com/v/g09-maths-ch03-m05-t01/index.m3u8 602 2026-08-28 yes no no https://prepshorts.com/learn/class-9/maths/the-world-of-numbers/why-long-division-must-either-stop-or-loop/hi2026-09-29 https://prepshorts.com/poster/g09-maths-ch03-m05-t01-1280.c9e8bc6df1.jpg Class 9 Maths Ch 3 in Hindi · long division को या तो रुकना NCERT Class 9 Maths Chapter 3 in Hindi · कक्षा 9, अध्याय 3, हिंदी में. Why long division must either stop or loop. https://prepshorts.com/v/g09-maths-ch03-m05-t01/index.m3u8 602 2026-08-28 yes no no https://prepshorts.com/learn/class-9/maths/the-world-of-numbers/predicting-the-expansion-from-the-denominator-s-prime2026-09-29 https://prepshorts.com/poster/g09-maths-ch03-m05-t02-1280.8a6b2e010d.jpg Predicting a decimal expansion from the denominator NCERT Class 9 Maths Ganita Manjari, Chapter 3. 0.375 is not a different kind of object from a fraction. Check a prediction against an actual long division. https://prepshorts.com/v/g09-maths-ch03-m05-t02/index.m3u8 603 2026-08-28 yes no no https://prepshorts.com/learn/class-9/maths/the-world-of-numbers/predicting-the-expansion-from-the-denominator-s-prime/hi2026-09-29 https://prepshorts.com/poster/g09-maths-ch03-m05-t02-1280.8a6b2e010d.jpg Class 9 Maths Ch 3 in Hindi · denominator के prime factors NCERT Class 9 Maths Chapter 3 in Hindi · कक्षा 9, अध्याय 3, हिंदी में. Predicting the expansion from the denominator's prime factors. https://prepshorts.com/v/g09-maths-ch03-m05-t02/index.m3u8 603 2026-08-28 yes no no https://prepshorts.com/learn/class-9/maths/the-world-of-numbers/converting-a-terminating-or-repeating-decimal-back-to-p-q2026-09-29 https://prepshorts.com/poster/g09-maths-ch03-m05-t03-1280.41b3b1ea50.jpg Converting a terminating or repeating decimal back to p/q NCERT Class 9 Maths Ganita Manjari, Chapter 3. Turning 0.35 into a fraction takes no cleverness — it stopped, so it has a last place to name. https://prepshorts.com/v/g09-maths-ch03-m05-t03/index.m3u8 644 2026-08-28 yes no no https://prepshorts.com/learn/class-9/maths/the-world-of-numbers/converting-a-terminating-or-repeating-decimal-back-to-p-q/hi2026-09-29 https://prepshorts.com/poster/g09-maths-ch03-m05-t03-1280.41b3b1ea50.jpg Class 9 Maths Ch 3 in Hindi · terminating या repeating NCERT Class 9 Maths Chapter 3 in Hindi · कक्षा 9, अध्याय 3, हिंदी में. Converting a terminating or repeating decimal back to p/q. https://prepshorts.com/v/g09-maths-ch03-m05-t03/index.m3u8 644 2026-08-28 yes no no https://prepshorts.com/learn/class-9/maths/the-world-of-numbers/cyclic-numbers-the-hidden-symmetry-inside-1-72026-09-29 https://prepshorts.com/poster/g09-maths-ch03-m05-t04-1280.a8beab5214.jpg Cyclic numbers: the hidden symmetry inside 1/7 NCERT Class 9 Maths Ganita Manjari, Chapter 3. One seventh repeats every six digits. State the repeating block of one seventh and its length. https://prepshorts.com/v/g09-maths-ch03-m05-t04/index.m3u8 564 2026-08-28 yes no no https://prepshorts.com/learn/class-9/maths/the-world-of-numbers/cyclic-numbers-the-hidden-symmetry-inside-1-7/hi2026-09-29 https://prepshorts.com/poster/g09-maths-ch03-m05-t04-1280.a8beab5214.jpg Class 9 Maths Ch 3 in Hindi · चक्रीय संख्याएँ NCERT Class 9 Maths Chapter 3 in Hindi · कक्षा 9, अध्याय 3, हिंदी में. Cyclic numbers: the hidden symmetry inside 1/7. https://prepshorts.com/v/g09-maths-ch03-m05-t04/index.m3u8 564 2026-08-28 yes no no https://prepshorts.com/learn/class-9/maths/the-world-of-numbers/irrational-decimals-an-expansion-with-no-stop-and-no2026-09-29 https://prepshorts.com/poster/g09-maths-ch03-m05-t05-1280.769cfc6f23.jpg How an irrational decimal expansion behaves NCERT Class 9 Maths Ganita Manjari, Chapter 3. One third never stops either, and one third is about as rational as a number gets. https://prepshorts.com/v/g09-maths-ch03-m05-t05/index.m3u8 557 2026-08-28 yes no no https://prepshorts.com/learn/class-9/maths/the-world-of-numbers/irrational-decimals-an-expansion-with-no-stop-and-no/hi2026-09-29 https://prepshorts.com/poster/g09-maths-ch03-m05-t05-1280.769cfc6f23.jpg Class 9 Maths Ch 3 in Hindi · irrational decimals NCERT Class 9 Maths Chapter 3 in Hindi · कक्षा 9, अध्याय 3, हिंदी में. Irrational decimals: an expansion with no stop and no repeating block. https://prepshorts.com/v/g09-maths-ch03-m05-t05/index.m3u8 557 2026-08-28 yes no no https://prepshorts.com/learn/class-9/maths/the-world-of-numbers/uniting-rationals-and-irrationals-into-an-unbroken-line2026-09-29 https://prepshorts.com/poster/g09-maths-ch03-m06-t01-1280.790c43bccc.jpg Uniting rationals and irrationals into an unbroken line NCERT Class 9 Maths Ganita Manjari, Chapter 3. Fill the line with every fraction you can think of and they crowd in impossibly tightly. It feels full. https://prepshorts.com/v/g09-maths-ch03-m06-t01/index.m3u8 581 2026-08-28 yes no no https://prepshorts.com/learn/class-9/maths/the-world-of-numbers/uniting-rationals-and-irrationals-into-an-unbroken-line/hi2026-09-29 https://prepshorts.com/poster/g09-maths-ch03-m06-t01-1280.790c43bccc.jpg Class 9 Maths Ch 3 in Hindi · rationals और irrationals NCERT Class 9 Maths Chapter 3 in Hindi · कक्षा 9, अध्याय 3, हिंदी में. Uniting rationals and irrationals into an unbroken line. https://prepshorts.com/v/g09-maths-ch03-m06-t01/index.m3u8 581 2026-08-28 yes no no https://prepshorts.com/learn/class-9/maths/exploring-algebraic-identities/an-identity-holds-for-every-value-an-equation-need-not2026-09-29 https://prepshorts.com/poster/g09-maths-ch04-m01-t01-1280.4bea01f04d.jpg Identity vs equation: what is the difference? NCERT Class 9 Maths Ganita Manjari, Chapter 4. Three consecutive squares, add the outer two, subtract twice the middle: 2 every time. https://prepshorts.com/v/g09-maths-ch04-m01-t01/index.m3u8 609 2026-08-28 yes no no https://prepshorts.com/learn/class-9/maths/exploring-algebraic-identities/an-identity-holds-for-every-value-an-equation-need-not/hi2026-09-29 https://prepshorts.com/poster/g09-maths-ch04-m01-t01-1280.4bea01f04d.jpg Class 9 Maths Ch 4 in Hindi · identity हर value पर टिकती NCERT Class 9 Maths Chapter 4 in Hindi · कक्षा 9, अध्याय 4, हिंदी में. An identity holds for every value; an equation need not. https://prepshorts.com/v/g09-maths-ch04-m01-t01/index.m3u8 609 2026-08-28 yes no no https://prepshorts.com/learn/class-9/maths/exploring-algebraic-identities/reading-a-b-off-a-partitioned-square2026-09-29 https://prepshorts.com/poster/g09-maths-ch04-m01-t02-1280.115d9c3789.jpg Reading (a + b)² off a partitioned square NCERT Class 9 Maths Ganita Manjari, Chapter 4. Put one mark on a segment and build the square on it. Same area, different shape. https://prepshorts.com/v/g09-maths-ch04-m01-t02/index.m3u8 535 2026-08-28 yes no no https://prepshorts.com/learn/class-9/maths/exploring-algebraic-identities/reading-a-b-off-a-partitioned-square/hi2026-09-29 https://prepshorts.com/poster/g09-maths-ch04-m01-t02-1280.115d9c3789.jpg Class 9 Maths Ch 4 in Hindi · बँटे हुए square NCERT Class 9 Maths Chapter 4 in Hindi · कक्षा 9, अध्याय 4, हिंदी में. Reading (a + b)² off a partitioned square. https://prepshorts.com/v/g09-maths-ch04-m01-t02/index.m3u8 535 2026-08-28 yes no no https://prepshorts.com/learn/class-9/maths/exploring-algebraic-identities/recognising-an-expression-as-an-identity-in-disguise2026-09-29 https://prepshorts.com/poster/g09-maths-ch04-m02-t01-1280.45cd90faf2.jpg Recognising an expression as an identity in disguise NCERT Class 9 Maths Ganita Manjari, Chapter 4. Factorising is not guessing until something works. Factorising is not guessing until something works. https://prepshorts.com/v/g09-maths-ch04-m02-t01/index.m3u8 581 2026-08-28 yes no no https://prepshorts.com/learn/class-9/maths/exploring-algebraic-identities/recognising-an-expression-as-an-identity-in-disguise/hi2026-09-29 https://prepshorts.com/poster/g09-maths-ch04-m02-t01-1280.45cd90faf2.jpg Class 9 Maths Ch 4 in Hindi · किसी expression को भेस बदली NCERT Class 9 Maths Chapter 4 in Hindi · कक्षा 9, अध्याय 4, हिंदी में. Recognising an expression as an identity in disguise. https://prepshorts.com/v/g09-maths-ch04-m02-t01/index.m3u8 581 2026-08-28 yes no no https://prepshorts.com/learn/class-9/maths/exploring-algebraic-identities/a-b-c-by-substitution-and-the-square-that-proves-it2026-09-29 https://prepshorts.com/poster/g09-maths-ch04-m03-t01-1280.ae0d3003b3.jpg (a + b + c)² by substitution, and the square that proves it NCERT Class 9 Maths Ganita Manjari, Chapter 4. A new identity does not need a new proof if you can turn it into an old one in disguise. https://prepshorts.com/v/g09-maths-ch04-m03-t01/index.m3u8 593 2026-08-28 yes no no https://prepshorts.com/learn/class-9/maths/exploring-algebraic-identities/a-b-c-by-substitution-and-the-square-that-proves-it/hi2026-09-29 https://prepshorts.com/poster/g09-maths-ch04-m03-t01-1280.ae0d3003b3.jpg Class 9 Maths Ch 4 in Hindi · substitution से (a + b + c)² NCERT Class 9 Maths Chapter 4 in Hindi · कक्षा 9, अध्याय 4, हिंदी में. (a + b + c)² by substitution, and the square that proves it. https://prepshorts.com/v/g09-maths-ch04-m03-t01/index.m3u8 593 2026-08-28 yes no no https://prepshorts.com/learn/class-9/maths/exploring-algebraic-identities/algebra-tiles-factorising-by-rebuilding-the-rectangle2026-09-29 https://prepshorts.com/poster/g09-maths-ch04-m04-t01-1280.d01e872b3e.jpg Algebra tiles: factorising by rebuilding the rectangle NCERT Class 9 Maths Ganita Manjari, Chapter 4. Find two numbers that add to the middle term and multiply to the constant. https://prepshorts.com/v/g09-maths-ch04-m04-t01/index.m3u8 600 2026-08-28 yes no no https://prepshorts.com/learn/class-9/maths/exploring-algebraic-identities/algebra-tiles-factorising-by-rebuilding-the-rectangle/hi2026-09-29 https://prepshorts.com/poster/g09-maths-ch04-m04-t01-1280.d01e872b3e.jpg Class 9 Maths Ch 4 in Hindi · Algebra tiles NCERT Class 9 Maths Chapter 4 in Hindi · कक्षा 9, अध्याय 4, हिंदी में. Algebra tiles: factorising by rebuilding the rectangle. https://prepshorts.com/v/g09-maths-ch04-m04-t01/index.m3u8 600 2026-08-28 yes no no https://prepshorts.com/learn/class-9/maths/exploring-algebraic-identities/splitting-the-middle-term-once-the-tiles-come-away2026-09-29 https://prepshorts.com/poster/g09-maths-ch04-m04-t02-1280.d967d1270b.jpg Splitting the middle term once the tiles come away NCERT Class 9 Maths Ganita Manjari, Chapter 4. Everyone learns the two-number trick. Split the middle term and factorise by grouping the four resulting terms. https://prepshorts.com/v/g09-maths-ch04-m04-t02/index.m3u8 657 2026-08-28 yes no no https://prepshorts.com/learn/class-9/maths/exploring-algebraic-identities/splitting-the-middle-term-once-the-tiles-come-away/hi2026-09-29 https://prepshorts.com/poster/g09-maths-ch04-m04-t02-1280.d967d1270b.jpg Class 9 Maths Ch 4 in Hindi · tiles हट जाने के बाद middle NCERT Class 9 Maths Chapter 4 in Hindi · कक्षा 9, अध्याय 4, हिंदी में. Splitting the middle term once the tiles come away. https://prepshorts.com/v/g09-maths-ch04-m04-t02/index.m3u8 657 2026-08-28 yes no no https://prepshorts.com/learn/class-9/maths/exploring-algebraic-identities/cubes-a-b-from-a-cube-cut-into-eight-pieces2026-09-29 https://prepshorts.com/poster/g09-maths-ch04-m05-t01-1280.bbcee8f091.jpg Cubes: (a ± b)³ from a cube cut into eight pieces NCERT Class 9 Maths Ganita Manjari, Chapter 4. 1, 3, 3, 1 is not something to memorise. Add the eight volumes and read the identity off the solid. https://prepshorts.com/v/g09-maths-ch04-m05-t01/index.m3u8 627 2026-08-28 yes no no https://prepshorts.com/learn/class-9/maths/exploring-algebraic-identities/cubes-a-b-from-a-cube-cut-into-eight-pieces/hi2026-09-29 https://prepshorts.com/poster/g09-maths-ch04-m05-t01-1280.bbcee8f091.jpg Class 9 Maths Ch 4 in Hindi · Cubes: आठ टुकड़ों में कटे NCERT Class 9 Maths Chapter 4 in Hindi · कक्षा 9, अध्याय 4, हिंदी में. Cubes: (a ± b)³ from a cube cut into eight pieces. https://prepshorts.com/v/g09-maths-ch04-m05-t01/index.m3u8 627 2026-08-28 yes no no https://prepshorts.com/learn/class-9/maths/exploring-algebraic-identities/sum-and-difference-of-cubes-and-the-three-term-cubic2026-09-29 https://prepshorts.com/poster/g09-maths-ch04-m05-t02-1280.1f1d06409b.jpg Sum and difference of cubes NCERT Class 9 Maths Ganita Manjari, Chapter 4. Multiply out and six products appear. Multiply (x − y) by x² + xy + y² and account for every term that cancels. https://prepshorts.com/v/g09-maths-ch04-m05-t02/index.m3u8 634 2026-08-28 yes no no https://prepshorts.com/learn/class-9/maths/exploring-algebraic-identities/sum-and-difference-of-cubes-and-the-three-term-cubic/hi2026-09-29 https://prepshorts.com/poster/g09-maths-ch04-m05-t02-1280.1f1d06409b.jpg Class 9 Maths Ch 4 in Hindi · cubes का योग और अंतर NCERT Class 9 Maths Chapter 4 in Hindi · कक्षा 9, अध्याय 4, हिंदी में. Sum and difference of cubes, and the three-term cubic identity. https://prepshorts.com/v/g09-maths-ch04-m05-t02/index.m3u8 634 2026-08-28 yes no no https://prepshorts.com/learn/class-9/maths/exploring-algebraic-identities/simplifying-a-rational-expression-and-the-factor-you-must2026-09-29 https://prepshorts.com/poster/g09-maths-ch04-m05-t03-1280.6d3ed50cce.jpg Simplifying a rational expression safely NCERT Class 9 Maths Ganita Manjari, Chapter 4. Simplifying a fraction with letters in it is not tidying, it is dividing. https://prepshorts.com/v/g09-maths-ch04-m05-t03/index.m3u8 628 2026-08-28 yes no no https://prepshorts.com/learn/class-9/maths/exploring-algebraic-identities/simplifying-a-rational-expression-and-the-factor-you-must/hi2026-09-29 https://prepshorts.com/poster/g09-maths-ch04-m05-t03-1280.6d3ed50cce.jpg Class 9 Maths Ch 4 in Hindi · rational expression को सरल NCERT Class 9 Maths Chapter 4 in Hindi · कक्षा 9, अध्याय 4, हिंदी में. Simplifying a rational expression, and the factor you must not cancel. https://prepshorts.com/v/g09-maths-ch04-m05-t03/index.m3u8 628 2026-08-28 yes no no https://prepshorts.com/learn/class-9/maths/im-up-and-down-and-round-and-round/turning-an-observation-into-a-definition-the-circle-as-a2026-09-29 https://prepshorts.com/poster/g09-maths-ch05-m01-t01-1280.f004f19c5c.jpg The circle as a locus of points NCERT Class 9 Maths Ganita Manjari, Chapter 5. Round is something you recognise. Round is something you recognise. https://prepshorts.com/v/g09-maths-ch05-m01-t01/index.m3u8 571 2026-08-28 yes no no https://prepshorts.com/learn/class-9/maths/im-up-and-down-and-round-and-round/turning-an-observation-into-a-definition-the-circle-as-a/hi2026-09-29 https://prepshorts.com/poster/g09-maths-ch05-m01-t01-1280.f004f19c5c.jpg Class 9 Maths Ch 5 in Hindi · किसी observation को definition NCERT Class 9 Maths Chapter 5 in Hindi · कक्षा 9, अध्याय 5, हिंदी में. Turning an observation into a definition: the circle as a locus. https://prepshorts.com/v/g09-maths-ch05-m01-t01/index.m3u8 571 2026-08-28 yes no no https://prepshorts.com/learn/class-9/maths/im-up-and-down-and-round-and-round/total-rotational-symmetry-and-why-every-diameter-is-an-axis2026-09-29 https://prepshorts.com/poster/g09-maths-ch05-m01-t02-1280.98973e580d.jpg The symmetry of a circle NCERT Class 9 Maths Ganita Manjari, Chapter 5. Watch a wheel go past twice and say which observation came first. https://prepshorts.com/v/g09-maths-ch05-m01-t02/index.m3u8 578 2026-08-28 yes no no https://prepshorts.com/learn/class-9/maths/im-up-and-down-and-round-and-round/total-rotational-symmetry-and-why-every-diameter-is-an-axis/hi2026-09-29 https://prepshorts.com/poster/g09-maths-ch05-m01-t02-1280.98973e580d.jpg Class 9 Maths Ch 5 in Hindi · पूरी की पूरी rotational NCERT Class 9 Maths Chapter 5 in Hindi · कक्षा 9, अध्याय 5, हिंदी में. Total rotational symmetry, and why every diameter is an axis of reflection. https://prepshorts.com/v/g09-maths-ch05-m01-t02/index.m3u8 578 2026-08-28 yes no no https://prepshorts.com/learn/class-9/maths/im-up-and-down-and-round-and-round/two-points-infinitely-many-circles-centres-on-the2026-09-29 https://prepshorts.com/poster/g09-maths-ch05-m02-t01-1280.c3791ca72e.jpg How many circles pass through two points NCERT Class 9 Maths Ganita Manjari, Chapter 5. How many circles pass through two given points? Most people say one, because two points fix a straight line. https://prepshorts.com/v/g09-maths-ch05-m02-t01/index.m3u8 559 2026-08-28 yes no no https://prepshorts.com/learn/class-9/maths/im-up-and-down-and-round-and-round/two-points-infinitely-many-circles-centres-on-the/hi2026-09-29 https://prepshorts.com/poster/g09-maths-ch05-m02-t01-1280.c3791ca72e.jpg Class 9 Maths Ch 5 in Hindi · दो points: अनगिनत circles NCERT Class 9 Maths Chapter 5 in Hindi · कक्षा 9, अध्याय 5, हिंदी में. Two points: infinitely many circles, centres on the perpendicular bisector. https://prepshorts.com/v/g09-maths-ch05-m02-t01/index.m3u8 559 2026-08-28 yes no no https://prepshorts.com/learn/class-9/maths/im-up-and-down-and-round-and-round/three-points-not-in-a-line-exactly-one-circle-theorem-12026-09-29 https://prepshorts.com/poster/g09-maths-ch05-m02-t02-1280.e48831bc36.jpg Three points not in a line: exactly one circle (Theorem 1) NCERT Class 9 Maths Ganita Manjari, Chapter 5. Two points leave a whole line of possible centres. A brute search over 3721 positions finds nowhere at all. https://prepshorts.com/v/g09-maths-ch05-m02-t02/index.m3u8 621 2026-08-28 yes no no https://prepshorts.com/learn/class-9/maths/im-up-and-down-and-round-and-round/three-points-not-in-a-line-exactly-one-circle-theorem-1/hi2026-09-29 https://prepshorts.com/poster/g09-maths-ch05-m02-t02-1280.e48831bc36.jpg Class 9 Maths Ch 5 in Hindi · तीन points जो एक line में नहीं NCERT Class 9 Maths Chapter 5 in Hindi · कक्षा 9, अध्याय 5, हिंदी में. Three points not in a line: exactly one circle (Theorem 1). https://prepshorts.com/v/g09-maths-ch05-m02-t02/index.m3u8 621 2026-08-28 yes no no https://prepshorts.com/learn/class-9/maths/im-up-and-down-and-round-and-round/chords-of-equal-length-cut-off-equal-central-angles-and-the2026-09-29 https://prepshorts.com/poster/g09-maths-ch05-m03-t01-1280.cea32973eb.jpg Equal chords cut equal central angles NCERT Class 9 Maths Ganita Manjari, Chapter 5. Draw a chord and you have drawn more than a chord. Prove the converse, using SAS. https://prepshorts.com/v/g09-maths-ch05-m03-t01/index.m3u8 599 2026-08-28 yes no no https://prepshorts.com/learn/class-9/maths/im-up-and-down-and-round-and-round/chords-of-equal-length-cut-off-equal-central-angles-and-the/hi2026-09-29 https://prepshorts.com/poster/g09-maths-ch05-m03-t01-1280.cea32973eb.jpg Class 9 Maths Ch 5 in Hindi · बराबर लंबाई की chords centre NCERT Class 9 Maths Chapter 5 in Hindi · कक्षा 9, अध्याय 5, हिंदी में. Chords of equal length cut off equal central angles, and the converse (Theorems 2–3). https://prepshorts.com/v/g09-maths-ch05-m03-t01/index.m3u8 599 2026-08-28 yes no no https://prepshorts.com/learn/class-9/maths/im-up-and-down-and-round-and-round/the-centre-to-midpoint-line-is-perpendicular-and-the2026-09-29 https://prepshorts.com/poster/g09-maths-ch05-m03-t02-1280.ead25c197b.jpg The line from the centre to a chord's midpoint NCERT Class 9 Maths Ganita Manjari, Chapter 5. Join the centre to the middle of a chord and the join comes out square. https://prepshorts.com/v/g09-maths-ch05-m03-t02/index.m3u8 596 2026-08-28 yes no no https://prepshorts.com/learn/class-9/maths/im-up-and-down-and-round-and-round/the-centre-to-midpoint-line-is-perpendicular-and-the/hi2026-09-29 https://prepshorts.com/poster/g09-maths-ch05-m03-t02-1280.ead25c197b.jpg Class 9 Maths Ch 5 in Hindi · centre से मध्य बिंदु NCERT Class 9 Maths Chapter 5 in Hindi · कक्षा 9, अध्याय 5, हिंदी में. The centre-to-midpoint line is perpendicular, and the converse (Theorems 4–5). https://prepshorts.com/v/g09-maths-ch05-m03-t02/index.m3u8 596 2026-08-28 yes no no https://prepshorts.com/learn/class-9/maths/im-up-and-down-and-round-and-round/length-and-distance-from-the-centre-are-the-same-fact-twice2026-09-29 https://prepshorts.com/poster/g09-maths-ch05-m03-t03-1280.70b70d91b7.jpg Chord length and distance from the centre NCERT Class 9 Maths Ganita Manjari, Chapter 5. A chord carries two numbers: how long it is, and how far it stands from the centre. https://prepshorts.com/v/g09-maths-ch05-m03-t03/index.m3u8 625 2026-08-28 yes no no https://prepshorts.com/learn/class-9/maths/im-up-and-down-and-round-and-round/length-and-distance-from-the-centre-are-the-same-fact-twice/hi2026-09-29 https://prepshorts.com/poster/g09-maths-ch05-m03-t03-1280.70b70d91b7.jpg Class 9 Maths Ch 5 in Hindi · लंबाई और centre से दूरी एक ही NCERT Class 9 Maths Chapter 5 in Hindi · कक्षा 9, अध्याय 5, हिंदी में. Length and distance from the centre are the same fact twice (Theorems 6–8). https://prepshorts.com/v/g09-maths-ch05-m03-t03/index.m3u8 625 2026-08-28 yes no no https://prepshorts.com/learn/class-9/maths/im-up-and-down-and-round-and-round/major-and-minor-arcs-and-why-an-arc-s-central-angle-is2026-09-29 https://prepshorts.com/poster/g09-maths-ch05-m04-t01-1280.fb59303753.jpg Why a central angle is double the inscribed one NCERT Class 9 Maths Ganita Manjari, Chapter 5. Two points cut a circle into two arcs, so “the angle of arc AB” has not said which. https://prepshorts.com/v/g09-maths-ch05-m04-t01/index.m3u8 536 2026-08-28 yes no no https://prepshorts.com/learn/class-9/maths/im-up-and-down-and-round-and-round/major-and-minor-arcs-and-why-an-arc-s-central-angle-is/hi2026-09-29 https://prepshorts.com/poster/g09-maths-ch05-m04-t01-1280.fb59303753.jpg Class 9 Maths Ch 5 in Hindi · दीर्घ और लघु चाप NCERT Class 9 Maths Chapter 5 in Hindi · कक्षा 9, अध्याय 5, हिंदी में. circle पर 2 points रखिए और उनके बीच चलिए — छोटे रास्ते से… https://prepshorts.com/v/g09-maths-ch05-m04-t01/index.m3u8 536 2026-08-28 yes no no https://prepshorts.com/learn/class-9/maths/im-up-and-down-and-round-and-round/equal-angles-in-the-same-segment-the-arc-looks-the-same-from2026-09-29 https://prepshorts.com/poster/g09-maths-ch05-m04-t02-1280.cef7e2e6d3.jpg Equal angles in the same segment NCERT Class 9 Maths Ganita Manjari, Chapter 5. An arc's angle at the centre is fixed by the arc alone. That much is the doubling relation. https://prepshorts.com/v/g09-maths-ch05-m04-t02/index.m3u8 556 2026-08-28 yes no no https://prepshorts.com/learn/class-9/maths/im-up-and-down-and-round-and-round/equal-angles-in-the-same-segment-the-arc-looks-the-same-from/hi2026-09-29 https://prepshorts.com/poster/g09-maths-ch05-m04-t02-1280.cef7e2e6d3.jpg Class 9 Maths Ch 5 in Hindi · एक ही वृत्तखंड में बराबर कोण NCERT Class 9 Maths Chapter 5 in Hindi · कक्षा 9, अध्याय 5, हिंदी में. Equal angles in the same segment: the arc looks the same from every point beyond it. https://prepshorts.com/v/g09-maths-ch05-m04-t02/index.m3u8 556 2026-08-28 yes no no https://prepshorts.com/learn/class-9/maths/im-up-and-down-and-round-and-round/the-corollary-a-diameter-stands-on-a-right-angle-wherever2026-09-29 https://prepshorts.com/poster/g09-maths-ch05-m04-t03-1280.63d0fb2570.jpg Why a diameter subtends a right angle NCERT Class 9 Maths Ganita Manjari, Chapter 5. The right angle in a semicircle is not a discovery. Say what a corollary is, in the sense the chapter defines. https://prepshorts.com/v/g09-maths-ch05-m04-t03/index.m3u8 572 2026-08-28 yes no no https://prepshorts.com/learn/class-9/maths/im-up-and-down-and-round-and-round/the-corollary-a-diameter-stands-on-a-right-angle-wherever/hi2026-09-29 https://prepshorts.com/poster/g09-maths-ch05-m04-t03-1280.63d0fb2570.jpg Class 9 Maths Ch 5 in Hindi · उपप्रमेय NCERT Class 9 Maths Chapter 5 in Hindi · कक्षा 9, अध्याय 5, हिंदी में. The Corollary: a diameter stands on a right angle wherever you take the point. https://prepshorts.com/v/g09-maths-ch05-m04-t03/index.m3u8 572 2026-08-28 yes no no https://prepshorts.com/learn/class-9/maths/im-up-and-down-and-round-and-round/off-the-circle-the-angle-changes-points-inside-and-outside2026-09-29 https://prepshorts.com/poster/g09-maths-ch05-m04-t04-1280.5e5d0c9c8d.jpg Angles at points inside and outside a circle NCERT Class 9 Maths Ganita Manjari, Chapter 5. Every point of one arc sees a chord at the same angle. The half that matters is that no other point does. https://prepshorts.com/v/g09-maths-ch05-m04-t04/index.m3u8 533 2026-08-28 yes no no https://prepshorts.com/learn/class-9/maths/im-up-and-down-and-round-and-round/off-the-circle-the-angle-changes-points-inside-and-outside/hi2026-09-29 https://prepshorts.com/poster/g09-maths-ch05-m04-t04-1280.5e5d0c9c8d.jpg Class 9 Maths Ch 5 in Hindi · circle से बाहर कोण बदल जाता है NCERT Class 9 Maths Chapter 5 in Hindi · कक्षा 9, अध्याय 5, हिंदी में. Off the circle the angle changes: points inside and outside compared (Fig. 5.25). https://prepshorts.com/v/g09-maths-ch05-m04-t04/index.m3u8 533 2026-08-28 yes no no https://prepshorts.com/learn/class-9/maths/im-up-and-down-and-round-and-round/equal-angles-on-the-same-side-force-concyclicity-theorem-102026-09-29 https://prepshorts.com/poster/g09-maths-ch05-m05-t01-1280.5bde9a9f8b.jpg When equal angles force four points onto a circle NCERT Class 9 Maths Ganita Manjari, Chapter 5. You cannot show a fourth point lies on a circle by drawing it there — the circle is the thing in dispute. https://prepshorts.com/v/g09-maths-ch05-m05-t01/index.m3u8 591 2026-08-28 yes no no https://prepshorts.com/learn/class-9/maths/im-up-and-down-and-round-and-round/equal-angles-on-the-same-side-force-concyclicity-theorem-10/hi2026-09-29 https://prepshorts.com/poster/g09-maths-ch05-m05-t01-1280.5bde9a9f8b.jpg Class 9 Maths Ch 5 in Hindi · एक ही ओर बराबर कोण एकवृत्तीयता NCERT Class 9 Maths Chapter 5 in Hindi · कक्षा 9, अध्याय 5, हिंदी में. 3 points में से हमेशा एक circle जाती है। 4 में से? https://prepshorts.com/v/g09-maths-ch05-m05-t01/index.m3u8 591 2026-08-28 yes no no https://prepshorts.com/learn/class-9/maths/im-up-and-down-and-round-and-round/cyclic-quadrilaterals-opposite-angles-sum-to-180-and-the2026-09-29 https://prepshorts.com/poster/g09-maths-ch05-m05-t02-1280.c2e135eb94.jpg Cyclic quadrilaterals and their opposite angles NCERT Class 9 Maths Ganita Manjari, Chapter 5. Opposite corners of a cyclic quadrilateral always add to a straight angle. https://prepshorts.com/v/g09-maths-ch05-m05-t02/index.m3u8 592 2026-08-28 yes no no https://prepshorts.com/learn/class-9/maths/im-up-and-down-and-round-and-round/cyclic-quadrilaterals-opposite-angles-sum-to-180-and-the/hi2026-09-29 https://prepshorts.com/poster/g09-maths-ch05-m05-t02-1280.c2e135eb94.jpg Class 9 Maths Ch 5 in Hindi · चक्रीय चतुर्भुज NCERT Class 9 Maths Ch 5 in Hindi · कक्षा 9, अध्याय 5, हिंदी में. Cyclic quadrilaterals: opposite angles sum to 180°, and the converse (Theorems 11–12). https://prepshorts.com/v/g09-maths-ch05-m05-t02/index.m3u8 592 2026-08-28 yes no no https://prepshorts.com/learn/class-9/maths/measuring-space-perimeter-and-area/perimeter-as-a-walk-around-the-border-and-why-perimeter-to2026-09-29 https://prepshorts.com/poster/g09-maths-ch06-m01-t01-1280.ac5fececa7.jpg Perimeter, and the ratio hidden in every circle NCERT Class 9 Maths Ganita Manjari, Chapter 6. Runners on a bend start on a staircase, not a line. Four sides equal gives four times the side. https://prepshorts.com/v/g09-maths-ch06-m01-t01/index.m3u8 593 2026-08-28 yes no no https://prepshorts.com/learn/class-9/maths/measuring-space-perimeter-and-area/perimeter-as-a-walk-around-the-border-and-why-perimeter-to/hi2026-09-29 https://prepshorts.com/poster/g09-maths-ch06-m01-t01-1280.ac5fececa7.jpg Class 9 Maths Ch 6 in Hindi · परिमाप यानी सीमा के चारों ओर NCERT Class 9 Maths Chapter 6 in Hindi · कक्षा 9, अध्याय 6, हिंदी में. Perimeter as a walk around the border, and why perimeter-to-side ratios are fixed. https://prepshorts.com/v/g09-maths-ch06-m01-t01/index.m3u8 593 2026-08-28 yes no no https://prepshorts.com/learn/class-9/maths/measuring-space-perimeter-and-area/why-c-d-is-the-same-number-for-every-circle2026-09-29 https://prepshorts.com/poster/g09-maths-ch06-m01-t02-1280.5f7eabb67a.jpg Why is π the same for every circle? NCERT Class 9 Maths Ganita Manjari, Chapter 6. Measure round any circle, measure across it, divide — the same number every time. https://prepshorts.com/v/g09-maths-ch06-m01-t02/index.m3u8 593 2026-08-28 yes no no https://prepshorts.com/learn/class-9/maths/measuring-space-perimeter-and-area/why-c-d-is-the-same-number-for-every-circle/hi2026-09-29 https://prepshorts.com/poster/g09-maths-ch06-m01-t02-1280.5f7eabb67a.jpg Class 9 Maths Ch 6 in Hindi · C/D हर circle के लिए एक ही NCERT Class 9 Maths Chapter 6 in Hindi · कक्षा 9, अध्याय 6, हिंदी में. Why C/D is the same number for every circle. https://prepshorts.com/v/g09-maths-ch06-m01-t02/index.m3u8 593 2026-08-28 yes no no https://prepshorts.com/learn/class-9/maths/measuring-space-perimeter-and-area/cornering-from-inscribed-polygons-to-madhava-s-exact-series2026-09-29 https://prepshorts.com/poster/g09-maths-ch06-m01-t03-1280.9dfa08bdcf.jpg Cornering π, from polygons to Mādhava NCERT Class 9 Maths Ganita Manjari, Chapter 6. A six-sided figure inside a circle proves in under a minute that π is bigger than 3. https://prepshorts.com/v/g09-maths-ch06-m01-t03/index.m3u8 614 2026-08-28 yes no no https://prepshorts.com/learn/class-9/maths/measuring-space-perimeter-and-area/cornering-from-inscribed-polygons-to-madhava-s-exact-series/hi2026-09-29 https://prepshorts.com/poster/g09-maths-ch06-m01-t03-1280.9dfa08bdcf.jpg Class 9 Maths Ch 6 in Hindi · π को घेरना NCERT Class 9 Maths Chapter 6 in Hindi · कक्षा 9, अध्याय 6, हिंदी में. Cornering π: from inscribed polygons to Mādhava's exact series. https://prepshorts.com/v/g09-maths-ch06-m01-t03/index.m3u8 614 2026-08-28 yes no no https://prepshorts.com/learn/class-9/maths/measuring-space-perimeter-and-area/is-irrational-and-what-that-rules-out2026-09-29 https://prepshorts.com/poster/g09-maths-ch06-m01-t04-1280.a8785e68ed.jpg Why π is irrational, and what that means NCERT Class 9 Maths Ganita Manjari, Chapter 6. Long-divide 1 by 7 and watch the remainders, not the digits. Now run the test on the circle constant. https://prepshorts.com/v/g09-maths-ch06-m01-t04/index.m3u8 595 2026-08-28 yes no no https://prepshorts.com/learn/class-9/maths/measuring-space-perimeter-and-area/is-irrational-and-what-that-rules-out/hi2026-09-29 https://prepshorts.com/poster/g09-maths-ch06-m01-t04-1280.a8785e68ed.jpg Class 9 Maths Ch 6 in Hindi · π अपरिमेय है NCERT Class 9 Maths Chapter 6 in Hindi · कक्षा 9, अध्याय 6, हिंदी में. π is irrational, and what that rules out. https://prepshorts.com/v/g09-maths-ch06-m01-t04/index.m3u8 595 2026-08-28 yes no no https://prepshorts.com/learn/class-9/maths/measuring-space-perimeter-and-area/arc-length-as-the-central-angle-s-share-of-the-circumference2026-09-29 https://prepshorts.com/poster/g09-maths-ch06-m02-t01-1280.14c8bd897e.jpg Arc length formula: the angle's share of the circle NCERT Class 9 Maths Ganita Manjari, Chapter 6. The arc-length formula is a statement about sharing, and nobody had to guess it. https://prepshorts.com/v/g09-maths-ch06-m02-t01/index.m3u8 611 2026-08-28 yes no no https://prepshorts.com/learn/class-9/maths/measuring-space-perimeter-and-area/arc-length-as-the-central-angle-s-share-of-the-circumference/hi2026-09-29 https://prepshorts.com/poster/g09-maths-ch06-m02-t01-1280.14c8bd897e.jpg Class 9 Maths Ch 6 in Hindi · चाप की लंबाई NCERT Class 9 Maths Chapter 6 in Hindi · कक्षा 9, अध्याय 6, हिंदी में. Arc length as the central angle's share of the circumference. https://prepshorts.com/v/g09-maths-ch06-m02-t01/index.m3u8 611 2026-08-28 yes no no https://prepshorts.com/learn/class-9/maths/measuring-space-perimeter-and-area/perimeter-puzzles-composite-curved-boundaries-reduce-to-arcs2026-09-29 https://prepshorts.com/poster/g09-maths-ch06-m02-t02-1280.37f9ae988f.jpg Perimeter of a composite curved boundary NCERT Class 9 Maths Ganita Manjari, Chapter 6. A boundary made of curves looks like it needs something new. It does not. https://prepshorts.com/v/g09-maths-ch06-m02-t02/index.m3u8 603 2026-08-28 yes no no https://prepshorts.com/learn/class-9/maths/measuring-space-perimeter-and-area/perimeter-puzzles-composite-curved-boundaries-reduce-to-arcs/hi2026-09-29 https://prepshorts.com/poster/g09-maths-ch06-m02-t02-1280.37f9ae988f.jpg Class 9 Maths Ch 6 in Hindi · परिमाप की पहेलियाँ NCERT Class 9 Maths Chapter 6 in Hindi · कक्षा 9, अध्याय 6, हिंदी में. Perimeter puzzles: composite curved boundaries reduce to arcs you already know. https://prepshorts.com/v/g09-maths-ch06-m02-t02/index.m3u8 603 2026-08-28 yes no no https://prepshorts.com/learn/class-9/maths/measuring-space-perimeter-and-area/from-rectangle-to-parallelogram-area-survives-rearrangement2026-09-29 https://prepshorts.com/poster/g09-maths-ch06-m03-t01-1280.21049903c7.jpg From rectangle to parallelogram: area survives rearrangement NCERT Class 9 Maths Ganita Manjari, Chapter 6. Base times height is not a second rule to learn beside length times width. https://prepshorts.com/v/g09-maths-ch06-m03-t01/index.m3u8 609 2026-08-28 yes no no https://prepshorts.com/learn/class-9/maths/measuring-space-perimeter-and-area/from-rectangle-to-parallelogram-area-survives-rearrangement/hi2026-09-29 https://prepshorts.com/poster/g09-maths-ch06-m03-t01-1280.21049903c7.jpg Class 9 Maths Ch 6 in Hindi · आयत से समांतर चतुर्भुज तक NCERT Class 9 Maths Chapter 6 in Hindi · कक्षा 9, अध्याय 6, हिंदी में. From rectangle to parallelogram: area survives rearrangement. https://prepshorts.com/v/g09-maths-ch06-m03-t01/index.m3u8 609 2026-08-28 yes no no https://prepshorts.com/learn/class-9/maths/measuring-space-perimeter-and-area/a-triangle-is-half-a-parallelogram2026-10-03 https://prepshorts.com/poster/g09-maths-ch06-m03-t02-1280.3c3716471a.jpg A triangle is half a parallelogram NCERT Class 9 Maths Ganita Manjari, Chapter 6. Half base times height is not really a fact about triangles. Area is blind to shape. https://prepshorts.com/v/g09-maths-ch06-m03-t02/index.m3u8 608 2026-08-28 yes no no https://prepshorts.com/learn/class-9/maths/measuring-space-perimeter-and-area/a-triangle-is-half-a-parallelogram/hi2026-09-29 https://prepshorts.com/poster/g09-maths-ch06-m03-t02-1280.3c3716471a.jpg Class 9 Maths Ch 6 in Hindi · त्रिभुज, यानी आधा समांतर NCERT Class 9 Maths Chapter 6 in Hindi · कक्षा 9, अध्याय 6, हिंदी में. A triangle is half a parallelogram. जवाब है — सिर्फ़ 2 संख्याओं पर।. https://prepshorts.com/v/g09-maths-ch06-m03-t02/index.m3u8 608 2026-08-28 yes no no https://prepshorts.com/learn/class-9/maths/measuring-space-perimeter-and-area/heron-s-formula-area-from-the-three-sides-alone2026-09-29 https://prepshorts.com/poster/g09-maths-ch06-m03-t03-1280.eb6f5ecb31.jpg Heron's formula: area of a triangle from its sides NCERT Class 9 Maths Ganita Manjari, Chapter 6. Heron's formula usually arrives looking like a conjuring trick. https://prepshorts.com/v/g09-maths-ch06-m03-t03/index.m3u8 624 2026-08-28 yes no no https://prepshorts.com/learn/class-9/maths/measuring-space-perimeter-and-area/heron-s-formula-area-from-the-three-sides-alone/hi2026-09-29 https://prepshorts.com/poster/g09-maths-ch06-m03-t03-1280.eb6f5ecb31.jpg Class 9 Maths Ch 6 in Hindi · Heron's formula NCERT Class 9 Maths Chapter 6 in Hindi · कक्षा 9, अध्याय 6, हिंदी में. Heron's formula: area from the three sides alone. https://prepshorts.com/v/g09-maths-ch06-m03-t03/index.m3u8 624 2026-08-28 yes no no https://prepshorts.com/learn/class-9/maths/measuring-space-perimeter-and-area/brahmagupta-s-formula-and-heron-s-as-the-case-where-a-side2026-09-29 https://prepshorts.com/poster/g09-maths-ch06-m03-t04-1280.1ca5dc374b.jpg Brahmagupta's formula, and Heron's NCERT Class 9 Maths Ganita Manjari, Chapter 6. Three sides fix a triangle, so four sides ought to fix a quadrilateral. https://prepshorts.com/v/g09-maths-ch06-m03-t04/index.m3u8 611 2026-08-28 yes no no https://prepshorts.com/learn/class-9/maths/measuring-space-perimeter-and-area/brahmagupta-s-formula-and-heron-s-as-the-case-where-a-side/hi2026-09-29 https://prepshorts.com/poster/g09-maths-ch06-m03-t04-1280.1ca5dc374b.jpg Class 9 Maths Ch 6 in Hindi · Brahmagupta's formula NCERT Class 9 Maths Chapter 6 in Hindi · कक्षा 9, अध्याय 6, हिंदी में. Brahmagupta's formula, and Heron's as the case where a side vanishes. https://prepshorts.com/v/g09-maths-ch06-m03-t04/index.m3u8 611 2026-08-28 yes no no https://prepshorts.com/learn/class-9/maths/measuring-space-perimeter-and-area/baudhayana-s-construction-turning-a-rectangle-into-a-square2026-09-29 https://prepshorts.com/poster/g09-maths-ch06-m04-t01-1280.1f3cc9cc36.jpg Baudhāyana's rectangle-to-square construction NCERT Class 9 Maths Ganita Manjari, Chapter 6. Squaring a shape does not mean multiplying it by itself. Two further arguments are not in the book. https://prepshorts.com/v/g09-maths-ch06-m04-t01/index.m3u8 593 2026-08-28 yes no no https://prepshorts.com/learn/class-9/maths/measuring-space-perimeter-and-area/baudhayana-s-construction-turning-a-rectangle-into-a-square/hi2026-09-29 https://prepshorts.com/poster/g09-maths-ch06-m04-t01-1280.1f3cc9cc36.jpg Class 9 Maths Ch 6 in Hindi · बौधायन की रचना NCERT Class 9 Maths Chapter 6 in Hindi · कक्षा 9, अध्याय 6, हिंदी में. Baudhāyana's construction: turning a rectangle into a square of matching area. https://prepshorts.com/v/g09-maths-ch06-m04-t01/index.m3u8 593 2026-08-28 yes no no https://prepshorts.com/learn/class-9/maths/measuring-space-perimeter-and-area/slicing-a-disc-into-sectors-to-see-where-r-comes-from2026-09-29 https://prepshorts.com/poster/g09-maths-ch06-m05-t01-1280.863655211c.jpg Why is the area of a circle πr²? NCERT Class 9 Maths Ganita Manjari, Chapter 6. πr² is not a second discovery about circles. Pi r squared is not a second discovery about circles. https://prepshorts.com/v/g09-maths-ch06-m05-t01/index.m3u8 595 2026-08-28 yes no no https://prepshorts.com/learn/class-9/maths/measuring-space-perimeter-and-area/slicing-a-disc-into-sectors-to-see-where-r-comes-from/hi2026-09-29 https://prepshorts.com/poster/g09-maths-ch06-m05-t01-1280.863655211c.jpg Class 9 Maths Ch 6 in Hindi · किसी disc को sectors में काटकर NCERT Class 9 Maths Chapter 6 in Hindi · कक्षा 9, अध्याय 6, हिंदी में. Slicing a disc into sectors to see where πr² comes from. https://prepshorts.com/v/g09-maths-ch06-m05-t01/index.m3u8 595 2026-08-28 yes no no https://prepshorts.com/learn/class-9/maths/measuring-space-perimeter-and-area/a-sector-s-area-is-its-angle-s-share-of-the-whole2026-09-29 https://prepshorts.com/poster/g09-maths-ch06-m05-t02-1280.2c941fc440.jpg A sector's area is its angle's share of the whole Class 9 Maths Ganita Manjari, Ch 6. A sector takes its angle's share of the disc, for exactly the reason an arc takes its share of the circumference. https://prepshorts.com/v/g09-maths-ch06-m05-t02/index.m3u8 603 2026-08-28 yes no no https://prepshorts.com/learn/class-9/maths/measuring-space-perimeter-and-area/a-sector-s-area-is-its-angle-s-share-of-the-whole/hi2026-09-29 https://prepshorts.com/poster/g09-maths-ch06-m05-t02-1280.2c941fc440.jpg Class 9 Maths Ch 6 in Hindi · किसी sector का क्षेत्रफल पूरे NCERT Class 9 Maths Chapter 6 in Hindi · कक्षा 9, अध्याय 6, हिंदी में. A sector's area is its angle's share of the whole. https://prepshorts.com/v/g09-maths-ch06-m05-t02/index.m3u8 603 2026-08-28 yes no no https://prepshorts.com/learn/class-9/maths/the-mathematics-of-maybe-introduction-to-probability/probability-as-a-measurement-not-a-guess2026-09-29 https://prepshorts.com/poster/g09-maths-ch07-m01-t01-1280.f8b6d407ed.jpg Probability as a measurement, not a guess NCERT Class 9 Maths Ganita Manjari, Chapter 7. Two friends look at the same sky and predict opposite weather. Does putting a number on rain do the same? https://prepshorts.com/v/g09-maths-ch07-m01-t01/index.m3u8 520 2026-08-28 yes no no https://prepshorts.com/learn/class-9/maths/the-mathematics-of-maybe-introduction-to-probability/probability-as-a-measurement-not-a-guess/hi2026-09-29 https://prepshorts.com/poster/g09-maths-ch07-m01-t01-1280.f8b6d407ed.jpg Class 9 Maths Ch 7 in Hindi · Probability एक माप है NCERT Class 9 Maths Chapter 7 in Hindi · कक्षा 9, अध्याय 7, हिंदी में. Probability as a measurement, not a guess. https://prepshorts.com/v/g09-maths-ch07-m01-t01/index.m3u8 520 2026-08-28 yes no no https://prepshorts.com/learn/class-9/maths/the-mathematics-of-maybe-introduction-to-probability/what-we-mean-by-random2026-09-29 https://prepshorts.com/poster/g09-maths-ch07-m01-t02-1280.59e3480a5c.jpg What does random mean in probability? NCERT Class 9 Maths Ganita Manjari, Chapter 7. Random is a much narrower word than it sounds. Not unlikely: zero. https://prepshorts.com/v/g09-maths-ch07-m01-t02/index.m3u8 566 2026-08-28 yes no no https://prepshorts.com/learn/class-9/maths/the-mathematics-of-maybe-introduction-to-probability/what-we-mean-by-random/hi2026-09-29 https://prepshorts.com/poster/g09-maths-ch07-m01-t02-1280.59e3480a5c.jpg Class 9 Maths Ch 7 in Hindi · यादृच्छिक से हमारा मतलब क्या NCERT Class 9 Maths Chapter 7 in Hindi · कक्षा 9, अध्याय 7, हिंदी में. What we mean by random. असल में वह हिस्सा पहले से पूरा लिखा जा सकता है।. https://prepshorts.com/v/g09-maths-ch07-m01-t02/index.m3u8 566 2026-08-28 yes no no https://prepshorts.com/learn/class-9/maths/the-mathematics-of-maybe-introduction-to-probability/the-0-to-1-scale-and-what-the-endpoints-mean2026-09-29 https://prepshorts.com/poster/g09-maths-ch07-m01-t03-1280.1232d10e0a.jpg The 0-to-1 scale, and what the endpoints mean NCERT Class 9 Maths Ganita Manjari, Chapter 7. Somebody says your chance of winning is 0.75. Explain why no probability can be negative and none can exceed 1. https://prepshorts.com/v/g09-maths-ch07-m01-t03/index.m3u8 545 2026-08-28 yes no no https://prepshorts.com/learn/class-9/maths/the-mathematics-of-maybe-introduction-to-probability/the-0-to-1-scale-and-what-the-endpoints-mean/hi2026-09-29 https://prepshorts.com/poster/g09-maths-ch07-m01-t03-1280.1232d10e0a.jpg Class 9 Maths Ch 7 in Hindi · 0-to-1 मापक्रम NCERT Class 9 Maths Chapter 7 in Hindi · कक्षा 9, अध्याय 7, हिंदी में. The 0-to-1 scale, and what the endpoints mean. https://prepshorts.com/v/g09-maths-ch07-m01-t03/index.m3u8 545 2026-08-28 yes no no https://prepshorts.com/learn/class-9/maths/the-mathematics-of-maybe-introduction-to-probability/experimental-probability-relative-frequency-over-many-trials2026-09-29 https://prepshorts.com/poster/g09-maths-ch07-m02-t01-1280.a5ca7aebc1.jpg Experimental probability as relative frequency NCERT Class 9 Maths Ganita Manjari, Chapter 7. Fifty rolls of a fair die will not give exactly one sixth. They cannot: a sixth of fifty is not a whole number. https://prepshorts.com/v/g09-maths-ch07-m02-t01/index.m3u8 617 2026-08-28 yes no no https://prepshorts.com/learn/class-9/maths/the-mathematics-of-maybe-introduction-to-probability/experimental-probability-relative-frequency-over-many-trials/hi2026-09-29 https://prepshorts.com/poster/g09-maths-ch07-m02-t01-1280.a5ca7aebc1.jpg Class 9 Maths Ch 7 in Hindi · प्रायोगिक प्रायिकता NCERT Class 9 Maths Chapter 7 in Hindi · कक्षा 9, अध्याय 7, हिंदी में. Experimental probability: relative frequency over many trials. https://prepshorts.com/v/g09-maths-ch07-m02-t01/index.m3u8 617 2026-08-28 yes no no https://prepshorts.com/learn/class-9/maths/the-mathematics-of-maybe-introduction-to-probability/theoretical-probability-counting-favourable-outcomes-when2026-09-29 https://prepshorts.com/poster/g09-maths-ch07-m02-t02-1280.20ac181dd7.jpg Theoretical probability by counting outcomes NCERT Class 9 Maths Ganita Manjari, Chapter 7. Favourable over possible is not what probability means. It starts with the six in the denominator of one sixth. https://prepshorts.com/v/g09-maths-ch07-m02-t02/index.m3u8 617 2026-08-28 yes no no https://prepshorts.com/learn/class-9/maths/the-mathematics-of-maybe-introduction-to-probability/theoretical-probability-counting-favourable-outcomes-when/hi2026-09-29 https://prepshorts.com/poster/g09-maths-ch07-m02-t02-1280.20ac181dd7.jpg Class 9 Maths Ch 7 in Hindi · सैद्धांतिक प्रायिकता NCERT Class 9 Maths Chapter 7 in Hindi · कक्षा 9, अध्याय 7, हिंदी में. Theoretical probability: counting favourable outcomes when all are equally likely. https://prepshorts.com/v/g09-maths-ch07-m02-t02/index.m3u8 617 2026-08-28 yes no no https://prepshorts.com/learn/class-9/maths/the-mathematics-of-maybe-introduction-to-probability/estimating-from-statistical-data-and-scaling-the-estimate-up2026-09-29 https://prepshorts.com/poster/g09-maths-ch07-m02-t03-1280.6fb01bbf09.jpg Estimating probability from statistical data NCERT Class 9 Maths Ganita Manjari, Chapter 7. Turning a survey into a claim about a whole school is one multiplication. https://prepshorts.com/v/g09-maths-ch07-m02-t03/index.m3u8 641 2026-08-28 yes no no https://prepshorts.com/learn/class-9/maths/the-mathematics-of-maybe-introduction-to-probability/estimating-from-statistical-data-and-scaling-the-estimate-up/hi2026-09-29 https://prepshorts.com/poster/g09-maths-ch07-m02-t03-1280.6fb01bbf09.jpg Class 9 Maths Ch 7 in Hindi · सांख्यिकीय आँकड़ों से आकलन NCERT Class 9 Maths Chapter 7 in Hindi · कक्षा 9, अध्याय 7, हिंदी में. Estimating from statistical data, and scaling the estimate up. https://prepshorts.com/v/g09-maths-ch07-m02-t03/index.m3u8 641 2026-08-28 yes no no https://prepshorts.com/learn/class-9/maths/the-mathematics-of-maybe-introduction-to-probability/fair-unbiased-and-memoryless-the-gambler-s-fallacy2026-09-29 https://prepshorts.com/poster/g09-maths-ch07-m02-t04-1280.c06b07267a.jpg Fair, unbiased, and memoryless: the gambler's fallacy NCERT Class 9 Maths Ganita Manjari, Chapter 7. After six heads, tails is not due. Give a working definition of independent trials. https://prepshorts.com/v/g09-maths-ch07-m02-t04/index.m3u8 605 2026-08-28 yes no no https://prepshorts.com/learn/class-9/maths/the-mathematics-of-maybe-introduction-to-probability/fair-unbiased-and-memoryless-the-gambler-s-fallacy/hi2026-09-29 https://prepshorts.com/poster/g09-maths-ch07-m02-t04-1280.c06b07267a.jpg Class 9 Maths Ch 7 in Hindi · न्यायसंगत, अनभिनत और स्मृतिहीन NCERT Class 9 Maths Chapter 7 in Hindi · कक्षा 9, अध्याय 7, हिंदी में. Fair, unbiased, and memoryless: the gambler's fallacy. https://prepshorts.com/v/g09-maths-ch07-m02-t04/index.m3u8 605 2026-08-28 yes no no https://prepshorts.com/learn/class-9/maths/the-mathematics-of-maybe-introduction-to-probability/listing-every-outcome-the-sample-space2026-09-29 https://prepshorts.com/poster/g09-maths-ch07-m03-t01-1280.61273b6b9a.jpg Listing every outcome: the sample space NCERT Class 9 Maths Ganita Manjari, Chapter 7. A sample space is chosen, not discovered. Two coins make the point first. https://prepshorts.com/v/g09-maths-ch07-m03-t01/index.m3u8 580 2026-08-28 yes no no https://prepshorts.com/learn/class-9/maths/the-mathematics-of-maybe-introduction-to-probability/listing-every-outcome-the-sample-space/hi2026-09-29 https://prepshorts.com/poster/g09-maths-ch07-m03-t01-1280.61273b6b9a.jpg Class 9 Maths Ch 7 in Hindi · हर outcome को सूचीबद्ध करना NCERT Class 9 Maths Chapter 7 in Hindi · कक्षा 9, अध्याय 7, हिंदी में. Listing every outcome: the sample space. https://prepshorts.com/v/g09-maths-ch07-m03-t01/index.m3u8 580 2026-08-28 yes no no https://prepshorts.com/learn/class-9/maths/the-mathematics-of-maybe-introduction-to-probability/an-event-is-a-selection-from-the-sample-space2026-09-29 https://prepshorts.com/poster/g09-maths-ch07-m03-t02-1280.b6b8d662c8.jpg An event is a selection from the sample space NCERT Class 9 Maths Ganita Manjari, Chapter 7. An event is a subset, and that one sentence turns an English question into arithmetic. https://prepshorts.com/v/g09-maths-ch07-m03-t02/index.m3u8 600 2026-08-28 yes no no https://prepshorts.com/learn/class-9/maths/the-mathematics-of-maybe-introduction-to-probability/an-event-is-a-selection-from-the-sample-space/hi2026-09-29 https://prepshorts.com/poster/g09-maths-ch07-m03-t02-1280.b6b8d662c8.jpg Class 9 Maths Ch 7 in Hindi · कोई event sample space NCERT Class 9 Maths Chapter 7 in Hindi · कक्षा 9, अध्याय 7, हिंदी में. An event is a selection from the sample space. https://prepshorts.com/v/g09-maths-ch07-m03-t02/index.m3u8 600 2026-08-28 yes no no https://prepshorts.com/learn/class-9/maths/the-mathematics-of-maybe-introduction-to-probability/tree-diagrams-make-the-sample-space-of-a-two-step-experiment2026-09-29 https://prepshorts.com/poster/g09-maths-ch07-m04-t01-1280.b3da903397.jpg Tree diagrams for a two-step experiment NCERT Class 9 Maths Ganita Manjari, Chapter 7. A tree is not a tidier way of writing the list. A tree diagram is not a tidier way of writing the list. https://prepshorts.com/v/g09-maths-ch07-m04-t01/index.m3u8 601 2026-08-28 yes no no https://prepshorts.com/learn/class-9/maths/the-mathematics-of-maybe-introduction-to-probability/tree-diagrams-make-the-sample-space-of-a-two-step-experiment/hi2026-09-29 https://prepshorts.com/poster/g09-maths-ch07-m04-t01-1280.b3da903397.jpg Class 9 Maths Ch 7 in Hindi · Tree diagrams दो चरणों वाले NCERT Class 9 Maths Chapter 7 in Hindi · कक्षा 9, अध्याय 7, हिंदी में. Tree diagrams make the sample space of a two-step experiment visible. https://prepshorts.com/v/g09-maths-ch07-m04-t01/index.m3u8 601 2026-08-28 yes no no https://prepshorts.com/learn/class-9/maths/predicting-what-comes-next-exploring-sequences-and/order-is-the-point-a-sequence-carries-position-as-well-as2026-09-29 https://prepshorts.com/poster/g09-maths-ch08-m01-t01-1280.f1437ab9d1.jpg Why order is the point of a sequence NCERT Class 9 Maths Ganita Manjari, Chapter 8. 1, 4, 9, 16 has a rule. Shuffle it to 16, 4, 9, 1 and the same four numbers have nothing left to predict. https://prepshorts.com/v/g09-maths-ch08-m01-t01/index.m3u8 600 2026-08-28 yes no no https://prepshorts.com/learn/class-9/maths/predicting-what-comes-next-exploring-sequences-and/order-is-the-point-a-sequence-carries-position-as-well-as/hi2026-09-29 https://prepshorts.com/poster/g09-maths-ch08-m01-t01-1280.f1437ab9d1.jpg Class 9 Maths Ch 8 in Hindi · क्रम ही असली बात है NCERT Class 9 Maths Chapter 8 in Hindi · कक्षा 9, अध्याय 8, हिंदी में. Order is the point: a sequence carries position as well as value. https://prepshorts.com/v/g09-maths-ch08-m01-t01/index.m3u8 600 2026-08-28 yes no no https://prepshorts.com/learn/class-9/maths/predicting-what-comes-next-exploring-sequences-and/an-explicit-rule-computes-any-term-straight-from-n2026-09-29 https://prepshorts.com/poster/g09-maths-ch08-m01-t02-1280.16c20b727c.jpg An explicit rule computes any term straight from n NCERT Class 9 Maths Ganita Manjari, Chapter 8. Walking to position 1170 costs 1169 additions. Report the position of a term as well as its value. https://prepshorts.com/v/g09-maths-ch08-m01-t02/index.m3u8 565 2026-08-28 yes no no https://prepshorts.com/learn/class-9/maths/predicting-what-comes-next-exploring-sequences-and/an-explicit-rule-computes-any-term-straight-from-n/hi2026-09-29 https://prepshorts.com/poster/g09-maths-ch08-m01-t02-1280.16c20b727c.jpg Class 9 Maths Ch 8 in Hindi · कोई स्पष्ट नियम किसी भी पद NCERT Class 9 Maths Chapter 8 in Hindi · कक्षा 9, अध्याय 8, हिंदी में. An explicit rule computes any term straight from n. https://prepshorts.com/v/g09-maths-ch08-m01-t02/index.m3u8 565 2026-08-28 yes no no https://prepshorts.com/learn/class-9/maths/predicting-what-comes-next-exploring-sequences-and/a-recursive-rule-builds-each-term-from-the-ones-before-it2026-09-29 https://prepshorts.com/poster/g09-maths-ch08-m01-t03-1280.e0c7f8819a.jpg A recursive rule builds each term from the ones before it NCERT Class 9 Maths Ganita Manjari, Chapter 8. “Add 3 each time” sounds like a rule. Write a recursive rule for a sequence given in list form. https://prepshorts.com/v/g09-maths-ch08-m01-t03/index.m3u8 609 2026-08-28 yes no no https://prepshorts.com/learn/class-9/maths/predicting-what-comes-next-exploring-sequences-and/a-recursive-rule-builds-each-term-from-the-ones-before-it/hi2026-09-29 https://prepshorts.com/poster/g09-maths-ch08-m01-t03-1280.e0c7f8819a.jpg Class 9 Maths Ch 8 in Hindi · कोई पुनरावर्ती नियम हर पद NCERT Class 9 Maths Chapter 8 in Hindi · कक्षा 9, अध्याय 8, हिंदी में. A recursive rule builds each term from the ones before it. https://prepshorts.com/v/g09-maths-ch08-m01-t03/index.m3u8 609 2026-08-28 yes no no https://prepshorts.com/learn/class-9/maths/predicting-what-comes-next-exploring-sequences-and/common-difference-and-why-the-nth-term-is-a-n-1-d2026-09-29 https://prepshorts.com/poster/g09-maths-ch08-m02-t01-1280.5f2078a726.jpg AP nth term formula: why it is a + (n − 1)d NCERT Class 9 Maths Ganita Manjari, Chapter 8. The (n − 1) is not a correction bolted on to make the numbers work. https://prepshorts.com/v/g09-maths-ch08-m02-t01/index.m3u8 621 2026-08-28 yes no no https://prepshorts.com/learn/class-9/maths/predicting-what-comes-next-exploring-sequences-and/common-difference-and-why-the-nth-term-is-a-n-1-d/hi2026-09-29 https://prepshorts.com/poster/g09-maths-ch08-m02-t01-1280.5f2078a726.jpg Class 9 Maths Ch 8 in Hindi · Common difference NCERT Class 9 Maths Chapter 8 in Hindi · कक्षा 9, अध्याय 8, हिंदी में. Common difference, and why the nth term is a + (n − 1)d. https://prepshorts.com/v/g09-maths-ch08-m02-t01/index.m3u8 621 2026-08-28 yes no no https://prepshorts.com/learn/class-9/maths/predicting-what-comes-next-exploring-sequences-and/an-ap-plots-as-points-on-a-straight-line2026-09-29 https://prepshorts.com/poster/g09-maths-ch08-m02-t02-1280.0d5afebccb.jpg An AP plots as points on a straight line NCERT Class 9 Maths Ganita Manjari, Chapter 8. The points land on a straight line because a constant difference is exactly what straightness means. https://prepshorts.com/v/g09-maths-ch08-m02-t02/index.m3u8 562 2026-08-28 yes no no https://prepshorts.com/learn/class-9/maths/predicting-what-comes-next-exploring-sequences-and/an-ap-plots-as-points-on-a-straight-line/hi2026-09-29 https://prepshorts.com/poster/g09-maths-ch08-m02-t02-1280.0d5afebccb.jpg Class 9 Maths Ch 8 in Hindi · AP के points एक सीधी line NCERT Class 9 Maths Chapter 8 in Hindi · कक्षा 9, अध्याय 8, हिंदी में. An AP plots as points on a straight line. https://prepshorts.com/v/g09-maths-ch08-m02-t02/index.m3u8 562 2026-08-28 yes no no https://prepshorts.com/learn/class-9/maths/predicting-what-comes-next-exploring-sequences-and/pairing-from-both-ends-a-closed-form-for-1-2-n2026-09-29 https://prepshorts.com/poster/g09-maths-ch08-m03-t01-1280.e675cc85e1.jpg Pairing from both ends: a closed form for 1 + 2 + ⋯ + n NCERT Class 9 Maths Ganita Manjari, Chapter 8. Adding 1 to 1000 by hand costs 999 additions and one slip ruins the lot. https://prepshorts.com/v/g09-maths-ch08-m03-t01/index.m3u8 600 2026-08-28 yes no no https://prepshorts.com/learn/class-9/maths/predicting-what-comes-next-exploring-sequences-and/pairing-from-both-ends-a-closed-form-for-1-2-n/hi2026-09-29 https://prepshorts.com/poster/g09-maths-ch08-m03-t01-1280.e675cc85e1.jpg Class 9 Maths Ch 8 in Hindi · दोनों सिरों से जोड़ियाँ बनाना NCERT Class 9 Maths Chapter 8 in Hindi · कक्षा 9, अध्याय 8, हिंदी में. Pairing from both ends: a closed form for 1 + 2 + ⋯ + n. https://prepshorts.com/v/g09-maths-ch08-m03-t01/index.m3u8 600 2026-08-28 yes no no https://prepshorts.com/learn/class-9/maths/predicting-what-comes-next-exploring-sequences-and/common-ratio-and-why-the-nth-term-is-ar-n-12026-09-29 https://prepshorts.com/poster/g09-maths-ch08-m04-t01-1280.baf80dded8.jpg GP nth term formula: why it is ar^(n−1) NCERT Class 9 Maths Ganita Manjari, Chapter 8. 3, 6, 12, 24 — and the test you have used all chapter fails on it. https://prepshorts.com/v/g09-maths-ch08-m04-t01/index.m3u8 629 2026-08-28 yes no no https://prepshorts.com/learn/class-9/maths/predicting-what-comes-next-exploring-sequences-and/common-ratio-and-why-the-nth-term-is-ar-n-1/hi2026-09-29 https://prepshorts.com/poster/g09-maths-ch08-m04-t01-1280.baf80dded8.jpg Class 9 Maths Ch 8 in Hindi · Common ratio NCERT Class 9 Maths Chapter 8 in Hindi · कक्षा 9, अध्याय 8, हिंदी में. Common ratio, and why the nth term is ar^(n−1). https://prepshorts.com/v/g09-maths-ch08-m04-t01/index.m3u8 629 2026-08-28 yes no no https://prepshorts.com/learn/class-9/maths/predicting-what-comes-next-exploring-sequences-and/fractals-self-similarity-generates-a-gp2026-09-29 https://prepshorts.com/poster/g09-maths-ch08-m04-t02-1280.f0fe01571c.jpg Fractals: self-similarity generates a GP NCERT Class 9 Maths Ganita Manjari, Chapter 8. Cut a triangle into four, throw the middle away, repeat forever. https://prepshorts.com/v/g09-maths-ch08-m04-t02/index.m3u8 558 2026-08-28 yes no no https://prepshorts.com/learn/class-9/maths/predicting-what-comes-next-exploring-sequences-and/fractals-self-similarity-generates-a-gp/hi2026-09-29 https://prepshorts.com/poster/g09-maths-ch08-m04-t02-1280.f0fe01571c.jpg Class 9 Maths Ch 8 in Hindi · Fractals NCERT Class 9 Maths Chapter 8 in Hindi · कक्षा 9, अध्याय 8, हिंदी में. Fractals: self-similarity generates a GP. https://prepshorts.com/v/g09-maths-ch08-m04-t02/index.m3u8 558 2026-08-28 yes no no https://prepshorts.com/learn/class-9/maths/predicting-what-comes-next-exploring-sequences-and/a-gp-plots-as-a-curve-and-what-that-curve-tells-you2026-09-29 https://prepshorts.com/poster/g09-maths-ch08-m04-t03-1280.aa6c045831.jpg A GP plots as a curve, and what that curve tells you NCERT Class 9 Maths Ganita Manjari, Chapter 8. A bent plot rules out an arithmetic progression on sight. Two sequences start 3, 6. https://prepshorts.com/v/g09-maths-ch08-m04-t03/index.m3u8 626 2026-08-28 yes no no https://prepshorts.com/learn/class-9/maths/predicting-what-comes-next-exploring-sequences-and/a-gp-plots-as-a-curve-and-what-that-curve-tells-you/hi2026-09-29 https://prepshorts.com/poster/g09-maths-ch08-m04-t03-1280.aa6c045831.jpg Class 9 Maths Ch 8 in Hindi · GP एक वक्र की तरह plot होता है NCERT Class 9 Maths Chapter 8 in Hindi · कक्षा 9, अध्याय 8, हिंदी में. A GP plots as a curve, and what that curve tells you. https://prepshorts.com/v/g09-maths-ch08-m04-t03/index.m3u8 626 2026-08-28 yes no no https://prepshorts.com/learn/class-10/maths/real-numbers/why-a-composite-number-has-one-prime-factorisation-and-no2026-10-03 https://prepshorts.com/poster/g10-maths-ch01-m01-t01-1280.f8ddd99450.jpg Why prime factorisation is one of a kind NCERT Class 10 Maths, Chapter 1. Why a composite number has one prime factorisation and no other. Uniqueness is the half with teeth. https://prepshorts.com/v/g10-maths-ch01-m01-t01/index.m3u8 824 2026-09-04 yes no no https://prepshorts.com/learn/class-10/maths/real-numbers/why-a-composite-number-has-one-prime-factorisation-and-no/hi2026-10-03 https://prepshorts.com/poster/g10-maths-ch01-m01-t01-1280.f8ddd99450.jpg Class 10 Maths Ch 1 in Hindi · किसी composite number NCERT Class 10 Maths Chapter 1 in Hindi · कक्षा 10, अध्याय 1, हिंदी में. Why a composite number has one prime factorisation and no other. https://prepshorts.com/v/g10-maths-ch01-m01-t01/index.m3u8 824 2026-09-04 yes no no https://prepshorts.com/learn/class-10/maths/real-numbers/reading-hcf-and-lcm-straight-off-two-factorisations2026-10-03 https://prepshorts.com/poster/g10-maths-ch01-m01-t02-1280.68231a58b8.jpg HCF and LCM from prime factorisation, Class 10 NCERT Class 10 Maths, Chapter 1. Reading HCF and LCM straight off two factorisations. The explanation builds both out of a single test. https://prepshorts.com/v/g10-maths-ch01-m01-t02/index.m3u8 737 2026-09-04 yes no no https://prepshorts.com/learn/class-10/maths/real-numbers/reading-hcf-and-lcm-straight-off-two-factorisations/hi2026-10-03 https://prepshorts.com/poster/g10-maths-ch01-m01-t02-1280.68231a58b8.jpg Class 10 Maths Ch 1 in Hindi · दो factorisations से सीधे HCF NCERT Class 10 Maths Chapter 1 in Hindi · कक्षा 10, अध्याय 1, हिंदी में. Reading HCF and LCM straight off two factorisations. https://prepshorts.com/v/g10-maths-ch01-m01-t02/index.m3u8 737 2026-09-04 yes no no https://prepshorts.com/learn/class-10/maths/real-numbers/why-the-hcf-times-lcm-shortcut-works-for-two-numbers-but2026-10-03 https://prepshorts.com/poster/g10-maths-ch01-m01-t03-1280.7960aa431c.jpg Why HCF × LCM breaks for three numbers NCERT Class 10 Maths, Chapter 1. Why the HCF-times-LCM shortcut works for two numbers but breaks for three. Three uses follow immediately. https://prepshorts.com/v/g10-maths-ch01-m01-t03/index.m3u8 850 2026-09-04 yes no no https://prepshorts.com/learn/class-10/maths/real-numbers/why-the-hcf-times-lcm-shortcut-works-for-two-numbers-but/hi2026-10-03 https://prepshorts.com/poster/g10-maths-ch01-m01-t03-1280.7960aa431c.jpg Class 10 Maths Ch 1 in Hindi · HCF-गुणा-LCM वाला shortcut दो NCERT Class 10 Maths Chapter 1 in Hindi · कक्षा 10, अध्याय 1, हिंदी में. Why the HCF-times-LCM shortcut works for two numbers but breaks for three. https://prepshorts.com/v/g10-maths-ch01-m01-t03/index.m3u8 850 2026-09-04 yes no no https://prepshorts.com/learn/class-10/maths/real-numbers/a-prime-dividing-a-square-must-divide-the-number-itself2026-10-03 https://prepshorts.com/poster/g10-maths-ch01-m02-t01-1280.15c72b4e68.jpg A prime dividing a square must divide the number itself NCERT Class 10 Maths, Chapter 1. 4 divides 36 and 9 divides 36, yet neither divides 6. The proof then goes line by line. https://prepshorts.com/v/g10-maths-ch01-m02-t01/index.m3u8 683 2026-09-04 yes no no https://prepshorts.com/learn/class-10/maths/real-numbers/a-prime-dividing-a-square-must-divide-the-number-itself/hi2026-10-03 https://prepshorts.com/poster/g10-maths-ch01-m02-t01-1280.15c72b4e68.jpg Class 10 Maths Ch 1 in Hindi · किसी वर्ग को भाग देने वाला NCERT Class 10 Maths Chapter 1 in Hindi · कक्षा 10, अध्याय 1, हिंदी में. A prime dividing a square must divide the number itself. https://prepshorts.com/v/g10-maths-ch01-m02-t01/index.m3u8 683 2026-09-04 yes no no https://prepshorts.com/learn/class-10/maths/real-numbers/assume-the-square-root-of-2-is-a-fraction-and-watch-the2026-10-03 https://prepshorts.com/poster/g10-maths-ch01-m02-t02-1280.28679b10e9.jpg Proving √2 is irrational, by contradiction NCERT Class 10 Maths, Chapter 1. 99 over 70 squares to 9801 over 4900, one short of the 9800 it would need to equal 2 exactly. https://prepshorts.com/v/g10-maths-ch01-m02-t02/index.m3u8 774 2026-09-04 yes no no https://prepshorts.com/learn/class-10/maths/real-numbers/assume-the-square-root-of-2-is-a-fraction-and-watch-the/hi2026-10-03 https://prepshorts.com/poster/g10-maths-ch01-m02-t02-1280.28679b10e9.jpg Class 10 Maths Ch 1 in Hindi · मान लीजिए 2 का वर्गमूल NCERT Class 10 Maths Chapter 1 in Hindi · कक्षा 10, अध्याय 1, हिंदी में. Assume the square root of 2 is a fraction, and watch the assumption collapse. https://prepshorts.com/v/g10-maths-ch01-m02-t02/index.m3u8 774 2026-09-04 yes no no https://prepshorts.com/learn/class-10/maths/real-numbers/re-running-the-same-contradiction-on-other-prime-square2026-10-03 https://prepshorts.com/poster/g10-maths-ch01-m02-t03-1280.fcfd60b7a7.jpg Proving other prime square roots irrational NCERT Class 10 Maths, Chapter 1. The proofs that the square roots of 3 and 5 are irrational are not new proofs. https://prepshorts.com/v/g10-maths-ch01-m02-t03/index.m3u8 838 2026-09-04 yes no no https://prepshorts.com/learn/class-10/maths/real-numbers/re-running-the-same-contradiction-on-other-prime-square/hi2026-10-03 https://prepshorts.com/poster/g10-maths-ch01-m02-t03-1280.fcfd60b7a7.jpg Class 10 Maths Ch 1 in Hindi · वही विरोधाभास दूसरे prime NCERT Class 10 Maths Chapter 1 in Hindi · कक्षा 10, अध्याय 1, हिंदी में. Re-running the same contradiction on other prime square roots. https://prepshorts.com/v/g10-maths-ch01-m02-t03/index.m3u8 838 2026-09-04 yes no no https://prepshorts.com/learn/class-10/maths/polynomials/degree-as-the-label-that-separates-linear-quadratic-and2026-10-03 https://prepshorts.com/poster/g10-maths-ch02-m01-t01-1280.eb18e8b2e4.jpg Linear, quadratic and cubic: degree NCERT Class 10 Maths, Chapter 2. Degree as the label that separates linear, quadratic and cubic. Do it again: 6, 12, 18, 24, climbing evenly. https://prepshorts.com/v/g10-maths-ch02-m01-t01/index.m3u8 824 2026-09-04 yes no no https://prepshorts.com/learn/class-10/maths/polynomials/degree-as-the-label-that-separates-linear-quadratic-and/hi2026-10-03 https://prepshorts.com/poster/g10-maths-ch02-m01-t01-1280.eb18e8b2e4.jpg Class 10 Maths Ch 2 in Hindi · Degree: वह पहचान जो linear NCERT Class 10 Maths Chapter 2 in Hindi · कक्षा 10, अध्याय 2, हिंदी में. Degree as the label that separates linear, quadratic and cubic. https://prepshorts.com/v/g10-maths-ch02-m01-t01/index.m3u8 824 2026-09-04 yes no no https://prepshorts.com/learn/class-10/maths/polynomials/substituting-a-number-into-a-polynomial-and-what-makes-it-a2026-10-03 https://prepshorts.com/poster/g10-maths-ch02-m01-t02-1280.b7a4f34f39.jpg The value of a polynomial, and its zeroes Class 10 Maths. Evaluate x squared minus 3x minus 4 at minus 1, and both signs flip: minus one squared is plus one, minus three times minus one adds three. https://prepshorts.com/v/g10-maths-ch02-m01-t02/index.m3u8 772 2026-09-04 yes no no https://prepshorts.com/learn/class-10/maths/polynomials/substituting-a-number-into-a-polynomial-and-what-makes-it-a/hi2026-10-03 https://prepshorts.com/poster/g10-maths-ch02-m01-t02-1280.b7a4f34f39.jpg Class 10 Maths Ch 2 in Hindi · Polynomial में कोई number NCERT Class 10 Maths Chapter 2 in Hindi · कक्षा 10, अध्याय 2, हिंदी में. Substituting a number into a polynomial, and what makes it a zero. https://prepshorts.com/v/g10-maths-ch02-m01-t02/index.m3u8 772 2026-09-04 yes no no https://prepshorts.com/learn/class-10/maths/polynomials/a-zero-is-exactly-a-point-where-the-curve-meets-the2026-10-03 https://prepshorts.com/poster/g10-maths-ch02-m02-t01-1280.a47ce3aabd.jpg A zero is where the curve meets the x-axis NCERT Class 10 Maths, Chapter 2. A zero of a polynomial and a crossing of the horizontal axis are not two facts. https://prepshorts.com/v/g10-maths-ch02-m02-t01/index.m3u8 791 2026-09-04 yes no no https://prepshorts.com/learn/class-10/maths/polynomials/a-zero-is-exactly-a-point-where-the-curve-meets-the/hi2026-10-03 https://prepshorts.com/poster/g10-maths-ch02-m02-t01-1280.a47ce3aabd.jpg Class 10 Maths Ch 2 in Hindi · Zero ठीक वह point है जहाँ NCERT Class 10 Maths Chapter 2 in Hindi · कक्षा 10, अध्याय 2, हिंदी में. A zero is exactly a point where the curve meets the horizontal axis. https://prepshorts.com/v/g10-maths-ch02-m02-t01/index.m3u8 791 2026-09-04 yes no no https://prepshorts.com/learn/class-10/maths/polynomials/which-way-a-parabola-opens-and-the-three-ways-it-can-meet2026-10-03 https://prepshorts.com/poster/g10-maths-ch02-m02-t02-1280.586b24a1a9.jpg Which way a parabola opens NCERT Class 10 Maths, Chapter 2. x squared minus x plus one never crosses the horizontal axis, and that is not a failed calculation. https://prepshorts.com/v/g10-maths-ch02-m02-t02/index.m3u8 801 2026-09-04 yes no no https://prepshorts.com/learn/class-10/maths/polynomials/which-way-a-parabola-opens-and-the-three-ways-it-can-meet/hi2026-10-03 https://prepshorts.com/poster/g10-maths-ch02-m02-t02-1280.586b24a1a9.jpg Class 10 Maths Ch 2 in Hindi · Parabola किस तरफ़ खुलता है NCERT Class 10 Maths Chapter 2 in Hindi · कक्षा 10, अध्याय 2, हिंदी में. Which way a parabola opens, and the three ways it can meet that axis. https://prepshorts.com/v/g10-maths-ch02-m02-t02/index.m3u8 801 2026-09-04 yes no no https://prepshorts.com/learn/class-10/maths/polynomials/why-degree-puts-a-ceiling-on-how-many-zeroes-there-can-be2026-09-30 https://prepshorts.com/poster/g10-maths-ch02-m02-t03-1280.0194f202c8.jpg Why a polynomial of degree n has at most n zeroes NCERT Class 10 Maths, Chapter 2. A cubic can bend twice, so it can leave the horizontal axis and come back to it more often than a parabola ever could. https://prepshorts.com/v/g10-maths-ch02-m02-t03/index.m3u8 776 2026-09-04 yes no no https://prepshorts.com/learn/class-10/maths/polynomials/what-the-sum-and-product-of-two-zeroes-reveal-about-a-b-and2026-09-30 https://prepshorts.com/poster/g10-maths-ch02-m03-t01-1280.69f61cc8fd.jpg Sum and product of the zeroes of a quadratic NCERT Class 10 Maths, Chapter 2. Factor a quadratic, add its two zeroes, and the answer is already sitting in the coefficients you started with. https://prepshorts.com/v/g10-maths-ch02-m03-t01/index.m3u8 836 2026-09-04 yes no no https://prepshorts.com/learn/class-10/maths/polynomials/the-three-symmetric-relations-that-hold-for-a-cubic2026-09-30 https://prepshorts.com/poster/g10-maths-ch02-m03-t02-1280.ddb64537c2.jpg The three symmetric relations that hold for a cubic NCERT Class 10 Maths, Chapter 2. A quadratic has two relations because there are two ways to combine two zeroes: add them, or multiply them. https://prepshorts.com/v/g10-maths-ch02-m03-t02/index.m3u8 882 2026-09-04 yes no no https://prepshorts.com/learn/class-10/maths/pair-of-linear-equations-in-two-variables/why-a-pair-of-these-equations-is-a-pair-of-straight-lines2026-09-30 https://prepshorts.com/poster/g10-maths-ch03-m01-t01-1280.4ae708ccbb.jpg Why a pair of linear equations is a pair of lines NCERT Class 10 Maths, Chapter 3. Why a pair of these equations is a pair of straight lines. Mia is at a fair with twenty coins. https://prepshorts.com/v/g10-maths-ch03-m01-t01/index.m3u8 769 2026-09-04 yes no no https://prepshorts.com/learn/class-10/maths/pair-of-linear-equations-in-two-variables/crossing-parallel-or-lying-on-top-what-each-picture-says2026-09-30 https://prepshorts.com/poster/g10-maths-ch03-m01-t02-1280.235496dc69.jpg Crossing, parallel or coincident lines NCERT Class 10 Maths, Chapter 3. Two distinct points determine one and only one line. Suppose two lines share a point - that happens all the time. https://prepshorts.com/v/g10-maths-ch03-m01-t02/index.m3u8 912 2026-09-04 yes no no https://prepshorts.com/learn/class-10/maths/pair-of-linear-equations-in-two-variables/predicting-which-of-the-three-you-will-get-by-comparing2026-09-30 https://prepshorts.com/poster/g10-maths-ch03-m01-t03-1280.b6a5591a6e.jpg Predicting the solution from the coefficients NCERT Class 10 Maths, Chapter 3. Comparing a1/a2 with b1/b2 is not a third rule to learn beside the three pictures - it is the pictures, arithmetic-side out. https://prepshorts.com/v/g10-maths-ch03-m01-t03/index.m3u8 918 2026-09-04 yes no no https://prepshorts.com/learn/class-10/maths/pair-of-linear-equations-in-two-variables/why-a-graph-stops-being-trustworthy-once-the-answer-is-not-a2026-09-30 https://prepshorts.com/poster/g10-maths-ch03-m02-t01-1280.cbe616b814.jpg When a graph stops being trustworthy NCERT Class 10 Maths, Chapter 3. A graph is never wrong. State what the graphical method delivers well and what it delivers only approximately. https://prepshorts.com/v/g10-maths-ch03-m02-t01/index.m3u8 699 2026-09-04 yes no no https://prepshorts.com/learn/class-10/maths/pair-of-linear-equations-in-two-variables/substitution-rewriting-one-unknown-so-only-the-other2026-09-30 https://prepshorts.com/poster/g10-maths-ch03-m02-t02-1280.9ef28f295d.jpg Solving a linear pair by substitution NCERT Class 10 Maths, Chapter 3. An equation is not a fact about a letter. Carry out the replacement and reduce the pair to one equation in one unknown. https://prepshorts.com/v/g10-maths-ch03-m02-t02/index.m3u8 829 2026-09-04 yes no no https://prepshorts.com/learn/class-10/maths/pair-of-linear-equations-in-two-variables/elimination-scaling-the-equations-so-a-variable-cancels-on2026-09-30 https://prepshorts.com/poster/g10-maths-ch03-m02-t03-1280.eb2817a1fc.jpg Solving a linear pair by elimination NCERT Class 10 Maths, Chapter 3. Elimination: scaling the equations so a variable cancels on addition. They give 42 and 24, and both survive. https://prepshorts.com/v/g10-maths-ch03-m02-t03/index.m3u8 942 2026-09-04 yes no no https://prepshorts.com/learn/class-10/maths/quadratic-equations/the-shape-an-equation-has-to-have-before-it-counts-as2026-09-30 https://prepshorts.com/poster/g10-maths-ch04-m01-t01-1280.a8ddf24c1e.jpg What counts as a quadratic equation NCERT Class 10 Maths, Chapter 4. Being quadratic is not something you can SEE. A floor of 300 square metres, one metre longer than twice its breadth. https://prepshorts.com/v/g10-maths-ch04-m01-t01/index.m3u8 815 2026-09-04 yes no no https://prepshorts.com/learn/class-10/maths/quadratic-equations/turning-a-described-situation-into-an-equation-of-that-shape2026-09-30 https://prepshorts.com/poster/g10-maths-ch04-m01-t02-1280.3dc0c6cfe9.jpg Turning a described situation into an equation of that shape NCERT Class 10 Maths, Chapter 4. Turning a described situation into an equation of that shape. The first move is where the marks are lost. https://prepshorts.com/v/g10-maths-ch04-m01-t02/index.m3u8 915 2026-09-04 yes no no https://prepshorts.com/learn/class-10/maths/quadratic-equations/why-a-root-of-the-equation-is-the-same-thing-as-a-zero-of2026-09-30 https://prepshorts.com/poster/g10-maths-ch04-m02-t01-1280.6d91874e09.jpg Roots by factorising, and what a root is NCERT Class 10 Maths, Chapter 4. Why a root of the equation is the same thing as a zero of the polynomial. They are not. https://prepshorts.com/v/g10-maths-ch04-m02-t01/index.m3u8 661 2026-09-04 yes no no https://prepshorts.com/learn/class-10/maths/quadratic-equations/splitting-the-middle-term-then-setting-each-factor-to-zero2026-09-30 https://prepshorts.com/poster/g10-maths-ch04-m02-t02-1280.682d8d836a.jpg Splitting the middle term, then setting each factor to zero NCERT Class 10 Maths, Chapter 4. Factorising does not solve a quadratic equation. NOUGHT does. Verify a claimed root by substitution before accepting it. https://prepshorts.com/v/g10-maths-ch04-m02-t02/index.m3u8 976 2026-09-04 yes no no https://prepshorts.com/learn/class-10/maths/quadratic-equations/the-formula-this-book-hands-you-for-the-roots-and-how-to2026-09-30 https://prepshorts.com/poster/g10-maths-ch04-m03-t01-1280.c3bfb42798.jpg The quadratic formula, and how to apply it NCERT Class 10 Maths, Chapter 4. The quadratic formula is usually handed over ready-made. The discriminant arrives there on its own; nobody put it in. https://prepshorts.com/v/g10-maths-ch04-m03-t01/index.m3u8 868 2026-09-04 yes no no https://prepshorts.com/learn/class-10/maths/quadratic-equations/why-the-sign-of-b-4ac-settles-how-many-real-roots-exist2026-09-30 https://prepshorts.com/poster/g10-maths-ch04-m03-t02-1280.96fc8b868d.jpg Discriminant b² − 4ac: nature of roots explained NCERT Class 10 Maths, Chapter 4. You can say how many real roots an equation has without solving it, and without even knowing where they are. https://prepshorts.com/v/g10-maths-ch04-m03-t02/index.m3u8 894 2026-09-04 yes no no https://prepshorts.com/learn/class-10/maths/arithmetic-progressions/a-fixed-step-between-neighbours-is-the-whole-definition2026-09-30 https://prepshorts.com/poster/g10-maths-ch05-m01-t01-1280.c26117014a.jpg A fixed step between neighbours is the whole definition NCERT Class 10 Maths, Chapter 5. An arithmetic progression is not a list that changes steadily. Everything else follows from pushing on that sentence. https://prepshorts.com/v/g10-maths-ch05-m01-t01/index.m3u8 820 2026-09-04 yes no no https://prepshorts.com/learn/class-10/maths/arithmetic-progressions/testing-a-given-list-and-what-finite-versus-infinite-changes2026-09-30 https://prepshorts.com/poster/g10-maths-ch05-m01-t02-1280.4a24a69d60.jpg Testing whether a list is an AP NCERT Class 10 Maths, Chapter 5. Deciding whether a list is an arithmetic progression is a test that can only ever fail cleanly. https://prepshorts.com/v/g10-maths-ch05-m01-t02/index.m3u8 835 2026-09-04 yes no no https://prepshorts.com/learn/class-10/maths/arithmetic-progressions/building-the-rule-for-the-nth-term-out-of-repeated-addition2026-09-30 https://prepshorts.com/poster/g10-maths-ch05-m02-t01-1280.bc7d4149f6.jpg Building the rule for the nth term out of repeated addition NCERT Class 10 Maths, Chapter 5. The first entry of an arithmetic progression is where you stand before you move, so it costs no steps. https://prepshorts.com/v/g10-maths-ch05-m02-t01/index.m3u8 782 2026-09-04 yes no no https://prepshorts.com/learn/class-10/maths/arithmetic-progressions/working-backwards-from-a-term-to-its-position-or-to-a-or-d2026-09-30 https://prepshorts.com/poster/g10-maths-ch05-m02-t02-1280.e299a66580.jpg Working backwards from a term to its position, or to a or d NCERT Class 10 Maths, Chapter 5. The nth-term rule ties four quantities together in one equation, so any three of them settle the fourth. https://prepshorts.com/v/g10-maths-ch05-m02-t02/index.m3u8 961 2026-09-04 yes no no https://prepshorts.com/learn/class-10/maths/arithmetic-progressions/gauss-s-pairing-trick-and-why-it-generalises2026-09-30 https://prepshorts.com/poster/g10-maths-ch05-m03-t01-1280.1552306492.jpg Sum of an AP: Gauss's trick and the formula NCERT Class 10 Maths, Chapter 5. Gauss's trick is not a fact about the numbers 1 to 100. Apply the derived formula to a situation stated in words. https://prepshorts.com/v/g10-maths-ch05-m03-t01/index.m3u8 780 2026-09-04 yes no no https://prepshorts.com/learn/class-10/maths/arithmetic-progressions/two-versions-of-the-total-and-choosing-between-them2026-09-30 https://prepshorts.com/poster/g10-maths-ch05-m03-t02-1280.316d103caf.jpg Two versions of the total, and choosing between them NCERT Class 10 Maths, Chapter 5. There are not two formulas for the total of an arithmetic progression. Forwards is easy: 8, 3, -2, ... https://prepshorts.com/v/g10-maths-ch05-m03-t02/index.m3u8 943 2026-09-04 yes no no https://prepshorts.com/learn/class-10/maths/triangles/what-similarity-asks-for-that-congruence-does-not2026-09-30 https://prepshorts.com/poster/g10-maths-ch06-m01-t01-1280.b30663dcb5.jpg Similar vs congruent triangles: the difference NCERT Class 10 Maths, Chapter 6. Similarity is not a second relation standing beside congruence. The rest look the part. https://prepshorts.com/v/g10-maths-ch06-m01-t01/index.m3u8 738 2026-09-04 yes no no https://prepshorts.com/learn/class-10/maths/triangles/the-two-conditions-polygons-must-both-meet2026-09-30 https://prepshorts.com/poster/g10-maths-ch06-m01-t02-1280.64db35b1a2.jpg The two conditions polygons must both meet NCERT Class 10 Maths, Chapter 6. Two figures are similar when their matching corners are equal AND their matching sides are in one ratio. https://prepshorts.com/v/g10-maths-ch06-m01-t02/index.m3u8 826 2026-09-04 yes no no https://prepshorts.com/learn/class-10/maths/triangles/a-line-drawn-parallel-to-a-side-cuts-the-other-two-in2026-09-30 https://prepshorts.com/poster/g10-maths-ch06-m02-t01-1280.405ff5f344.jpg The Basic Proportionality Theorem NCERT Class 10 Maths, Chapter 6. A line drawn across a triangle parallel to one of its sides cuts the other two in the same ratio. https://prepshorts.com/v/g10-maths-ch06-m02-t01/index.m3u8 930 2026-09-04 yes no no https://prepshorts.com/learn/class-10/maths/triangles/turning-it-around-matching-ratios-force-the-line-to-be2026-09-30 https://prepshorts.com/poster/g10-maths-ch06-m02-t02-1280.be27808dac.jpg The converse of the BPT NCERT Class 10 Maths, Chapter 6. Turning it around: matching ratios force the line to be parallel. So the converse gets its own argument. https://prepshorts.com/v/g10-maths-ch06-m02-t02/index.m3u8 940 2026-09-04 yes no no https://prepshorts.com/learn/class-10/maths/triangles/aaa-and-aa-equal-angles-are-enough-on-their-own2026-09-30 https://prepshorts.com/poster/g10-maths-ch06-m03-t01-1280.32c2602226.jpg AAA and AA: equal angles are enough on their own Class 10 Maths, Ch 6. Same shape means matching angles equal AND matching sides in one ratio - two independent demands, as a rectangle beside a square proves. https://prepshorts.com/v/g10-maths-ch06-m03-t01/index.m3u8 979 2026-09-04 yes no no https://prepshorts.com/learn/class-10/maths/triangles/sss-sides-in-proportion-drag-the-angles-into-agreement2026-09-30 https://prepshorts.com/poster/g10-maths-ch06-m03-t02-1280.ebfd16b65c.jpg SSS: sides in proportion drag the angles into agreement NCERT Class 10 Maths, Chapter 6. A square and a rhombus have all four sides in one ratio and not one corner in agreement. https://prepshorts.com/v/g10-maths-ch06-m03-t02/index.m3u8 915 2026-09-04 yes no no https://prepshorts.com/learn/class-10/maths/triangles/sas-one-angle-plus-the-two-sides-that-enclose-it2026-09-30 https://prepshorts.com/poster/g10-maths-ch06-m03-t03-1280.17d20c6475.jpg SAS: one angle plus the two sides that enclose it NCERT Class 10 Maths, Chapter 6. Two triangles, both side ratios exactly a half, both marked angles exactly equal - and they are not the same shape. https://prepshorts.com/v/g10-maths-ch06-m03-t03/index.m3u8 882 2026-09-04 yes no no https://prepshorts.com/learn/class-10/maths/coordinate-geometry/abscissa-and-ordinate-and-what-a-coordinate-pair-actually2026-09-30 https://prepshorts.com/poster/g10-maths-ch07-m01-t01-1280.89dac0bb55.jpg Abscissa, ordinate, and a coordinate pair NCERT Class 10 Maths, Chapter 7. Say five. Which point? Plot a listed set of pairs in order, join them as directed, and describe the figure that results. https://prepshorts.com/v/g10-maths-ch07-m01-t01/index.m3u8 816 2026-09-04 yes no no https://prepshorts.com/learn/class-10/maths/coordinate-geometry/deriving-the-distance-rule-by-hanging-a-right-triangle-off2026-09-30 https://prepshorts.com/poster/g10-maths-ch07-m01-t02-1280.9fd87dd56a.jpg Deriving the distance formula NCERT Class 10 Maths, Chapter 7. Two points, a slant between them, and no right angle anywhere in the question. https://prepshorts.com/v/g10-maths-ch07-m01-t02/index.m3u8 882 2026-09-04 yes no no https://prepshorts.com/learn/class-10/maths/coordinate-geometry/using-distances-alone-to-classify-a-triangle-or-a2026-09-30 https://prepshorts.com/poster/g10-maths-ch07-m01-t03-1280.99d0463fde.jpg Classifying a shape from distances alone NCERT Class 10 Maths, Chapter 7. Four equal sides do not make a square. Compute four sides and two diagonals of a quadrilateral and use them to name it. https://prepshorts.com/v/g10-maths-ch07-m01-t03/index.m3u8 920 2026-09-04 yes no no https://prepshorts.com/learn/class-10/maths/coordinate-geometry/getting-the-section-rule-from-a-pair-of-similar-triangles2026-09-30 https://prepshorts.com/poster/g10-maths-ch07-m02-t01-1280.fe85199020.jpg Getting the section rule from a pair of similar triangles NCERT Class 10 Maths, Chapter 7. A ratio is not a fraction of the whole, and the weights in the section rule come out crossed. https://prepshorts.com/v/g10-maths-ch07-m02-t01/index.m3u8 891 2026-09-04 yes no no https://prepshorts.com/learn/class-10/maths/coordinate-geometry/the-midpoint-as-the-ratio-1-1-and-recovering-an-unknown2026-09-30 https://prepshorts.com/poster/g10-maths-ch07-m02-t02-1280.9d828bf99e.jpg The midpoint, and recovering a ratio NCERT Class 10 Maths, Chapter 7. The midpoint as the ratio 1 : 1, and recovering an unknown ratio. The midpoint rule is not a second formula. https://prepshorts.com/v/g10-maths-ch07-m02-t02/index.m3u8 985 2026-09-04 yes no no https://prepshorts.com/learn/class-10/maths/introduction-to-trigonometry/which-side-is-opposite-and-which-is-adjacent-depends-on-the2026-09-30 https://prepshorts.com/poster/g10-maths-ch08-m01-t01-1280.2e03a9c0f0.jpg Opposite and adjacent depend on the angle NCERT Class 10 Maths, Chapter 8. A right triangle has three sides and only one of them - the hypotenuse - has a name of its own. https://prepshorts.com/v/g10-maths-ch08-m01-t01/index.m3u8 784 2026-09-04 yes no no https://prepshorts.com/learn/class-10/maths/introduction-to-trigonometry/defining-sine-cosine-and-tangent-then-their-three2026-09-30 https://prepshorts.com/poster/g10-maths-ch08-m01-t02-1280.446ec38926.jpg Sine, cosine, tangent and their reciprocals NCERT Class 10 Maths, Chapter 8. Six ratios get names in this topic, and only three of them are new. They are the list. https://prepshorts.com/v/g10-maths-ch08-m01-t02/index.m3u8 844 2026-09-04 yes no no https://prepshorts.com/learn/class-10/maths/introduction-to-trigonometry/why-enlarging-the-triangle-leaves-every-ratio-unchanged2026-09-30 https://prepshorts.com/poster/g10-maths-ch08-m01-t03-1280.62b595100f.jpg Why trigonometric ratios don't depend on triangle size Class 10 Maths, Ch 8. Writing 'sin A' claims the number depends on the angle alone - but you needed a triangle to work it out, and the angle did not pick one. https://prepshorts.com/v/g10-maths-ch08-m01-t03/index.m3u8 875 2026-09-04 yes no no https://prepshorts.com/learn/class-10/maths/introduction-to-trigonometry/given-one-ratio-reconstructing-the-other-five2026-09-30 https://prepshorts.com/poster/g10-maths-ch08-m01-t04-1280.19784390ed.jpg Given one ratio, reconstructing the other five NCERT Class 10 Maths, Chapter 8. Tell me one of the six ratios and I will tell you the other five. Say the sine of A is one third. https://prepshorts.com/v/g10-maths-ch08-m01-t04/index.m3u8 773 2026-09-04 yes no no https://prepshorts.com/learn/class-10/maths/introduction-to-trigonometry/squeezing-30-45-and-60-out-of-two-special-triangles2026-09-30 https://prepshorts.com/poster/g10-maths-ch08-m02-t01-1280.6225a8dba6.jpg Squeezing 30°, 45° and 60° out of two special triangles NCERT Class 10 Maths, Chapter 8. The sine of thirty degrees is exactly one half. The sine of thirty one degrees is a decimal that never stops. https://prepshorts.com/v/g10-maths-ch08-m02-t01/index.m3u8 850 2026-09-04 yes no no https://prepshorts.com/learn/class-10/maths/introduction-to-trigonometry/the-extreme-cases-at-0-and-90-and-the-ratios-that-stop-being2026-09-30 https://prepshorts.com/poster/g10-maths-ch08-m02-t02-1280.ac6bd69f19.jpg Trigonometric ratios at 0° and 90° NCERT Class 10 Maths, Chapter 8. There is no right triangle with an angle of zero in it, and none with a second right angle. https://prepshorts.com/v/g10-maths-ch08-m02-t02/index.m3u8 838 2026-09-04 yes no no https://prepshorts.com/learn/class-10/maths/introduction-to-trigonometry/dividing-pythagoras-through-by-the-hypotenuse-squared2026-09-30 https://prepshorts.com/poster/g10-maths-ch08-m03-t01-1280.af7b35b05f.jpg sin²θ + cos²θ = 1: the proof from Pythagoras NCERT Class 10 Maths, Chapter 8. The first identity of trigonometry is not a new fact and it is not something to memorise. https://prepshorts.com/v/g10-maths-ch08-m03-t01/index.m3u8 763 2026-09-04 yes no no https://prepshorts.com/learn/class-10/maths/introduction-to-trigonometry/two-more-identities-from-the-same-equation-and-the-angles2026-09-30 https://prepshorts.com/poster/g10-maths-ch08-m03-t02-1280.effa20d8bc.jpg Two more trigonometric identities NCERT Class 10 Maths, Chapter 8. There are not three identities to memorise. There is one equation and three sides you could divide it by. https://prepshorts.com/v/g10-maths-ch08-m03-t02/index.m3u8 914 2026-09-04 yes no no https://prepshorts.com/learn/class-10/maths/some-applications-of-trigonometry/the-sightline-and-the-horizontal-it-gets-measured-against2026-09-30 https://prepshorts.com/poster/g10-maths-ch09-m01-t01-1280.ddaae18e91.jpg The sightline, and the horizontal it gets measured against NCERT Class 10 Maths, Chapter 9. An angle needs two rays. The sightline is one. The whole method turns on one decision that is easy to walk straight past. https://prepshorts.com/v/g10-maths-ch09-m01-t01/index.m3u8 754 2026-09-04 yes no no https://prepshorts.com/learn/class-10/maths/some-applications-of-trigonometry/looking-up-versus-looking-down-elevation-and-depression2026-09-30 https://prepshorts.com/poster/g10-maths-ch09-m01-t02-1280.3550568415.jpg Looking up versus looking down: elevation and depression NCERT Class 10 Maths, Chapter 9. Elevation and depression are not two rules. So the classification is about the level ray and nothing else in the figure. https://prepshorts.com/v/g10-maths-ch09-m01-t02/index.m3u8 777 2026-09-04 yes no no https://prepshorts.com/learn/class-10/maths/some-applications-of-trigonometry/picking-the-one-ratio-that-links-what-you-know-to-what-you2026-09-30 https://prepshorts.com/poster/g10-maths-ch09-m02-t01-1280.be228b6fb2.jpg Picking the right ratio for a height problem NCERT Class 10 Maths, Chapter 9. Name the side you measured and the side you want, and the ratio is already chosen. https://prepshorts.com/v/g10-maths-ch09-m02-t01/index.m3u8 814 2026-09-04 yes no no https://prepshorts.com/learn/class-10/maths/some-applications-of-trigonometry/two-angles-in-one-figure-and-the-pair-of-equations-they-hand2026-09-30 https://prepshorts.com/poster/g10-maths-ch09-m02-t02-1280.aeb607597f.jpg Two angles of elevation in one figure NCERT Class 10 Maths, Chapter 9. Twelve different towers all cast a shadow that reads sixty degrees. One equation, two unknowns. There is nothing to solve. https://prepshorts.com/v/g10-maths-ch09-m02-t02/index.m3u8 892 2026-09-04 yes no no https://prepshorts.com/learn/class-10/maths/circles/counting-shared-points-sorts-every-line-into-one-of-three2026-09-30 https://prepshorts.com/poster/g10-maths-ch10-m01-t01-1280.11123824cf.jpg The three ways a line can meet a circle NCERT Class 10 Maths, Chapter 10. A line and a circle can share nothing, one point, or two, and never anything else. https://prepshorts.com/v/g10-maths-ch10-m01-t01/index.m3u8 608 2026-09-04 yes no no https://prepshorts.com/learn/class-10/maths/circles/a-tangent-as-what-a-secant-becomes-when-its-two-crossings2026-09-30 https://prepshorts.com/poster/g10-maths-ch10-m02-t01-1280.73d99aa4ba.jpg A tangent as the limit of a secant NCERT Class 10 Maths, Chapter 10. A tangent is not a second kind of line standing beside the secant. Two experiments do it. https://prepshorts.com/v/g10-maths-ch10-m02-t01/index.m3u8 629 2026-09-04 yes no no https://prepshorts.com/learn/class-10/maths/circles/why-the-radius-meets-it-at-a-right-angle-argued-from2026-09-30 https://prepshorts.com/poster/g10-maths-ch10-m02-t02-1280.f77892027d.jpg Why a radius meets a tangent at 90° NCERT Class 10 Maths, Chapter 10. The spoke of a rolling wheel looks square to the road every time you catch it - and looking square is not being square. https://prepshorts.com/v/g10-maths-ch10-m02-t02/index.m3u8 837 2026-09-04 yes no no https://prepshorts.com/learn/class-10/maths/circles/none-one-or-two-depending-on-where-the-point-sits2026-09-30 https://prepshorts.com/poster/g10-maths-ch10-m03-t01-1280.cc60cf686b.jpg None, one or two, depending on where the point sits NCERT Class 10 Maths, Chapter 10. How many tangents pass through a point is not a fact about tangents. Turn it round. https://prepshorts.com/v/g10-maths-ch10-m03-t01/index.m3u8 708 2026-09-04 yes no no https://prepshorts.com/learn/class-10/maths/circles/why-the-two-from-an-outside-point-are-always-equally-long2026-09-30 https://prepshorts.com/poster/g10-maths-ch10-m03-t02-1280.a53c95af10.jpg Why are tangents from an external point equal? NCERT Class 10 Maths, Chapter 10. Why the two from an outside point are always equally long. One leg in each is a radius. https://prepshorts.com/v/g10-maths-ch10-m03-t02/index.m3u8 926 2026-09-04 yes no no https://prepshorts.com/learn/class-10/maths/areas-related-to-circles/sector-versus-segment-and-which-one-major-and-minor-refer-to2026-09-30 https://prepshorts.com/poster/g10-maths-ch11-m01-t01-1280.cc23ff9c33.jpg Sector and segment of a circle NCERT Class 10 Maths, Chapter 11. Two of these words describe the CUT and two describe which piece you kept. Not one, not three. https://prepshorts.com/v/g10-maths-ch11-m01-t01/index.m3u8 560 2026-09-04 yes no no https://prepshorts.com/learn/class-10/maths/areas-related-to-circles/a-sector-s-area-as-its-share-of-the-full-turn2026-09-30 https://prepshorts.com/poster/g10-maths-ch11-m02-t01-1280.f75199eaaf.jpg A sector's area as its share of the full turn Class 10 Maths. The rule for a sector's area is one old fact plus one claim that almost nobody states: that area changes in strict proportion to the angle. https://prepshorts.com/v/g10-maths-ch11-m02-t01/index.m3u8 732 2026-09-04 yes no no https://prepshorts.com/learn/class-10/maths/areas-related-to-circles/the-arc-s-length-by-the-same-share-argument2026-09-30 https://prepshorts.com/poster/g10-maths-ch11-m02-t02-1280.0da04bf1cb.jpg The arc's length by the same share argument NCERT Class 10 Maths, Chapter 11. The arc's length by the same share argument. Derive the arc-length rule from the circumference by the unitary route. https://prepshorts.com/v/g10-maths-ch11-m02-t02/index.m3u8 753 2026-09-04 yes no no https://prepshorts.com/learn/class-10/maths/areas-related-to-circles/a-segment-as-what-is-left-when-the-triangle-is-taken-away2026-09-30 https://prepshorts.com/poster/g10-maths-ch11-m02-t03-1280.18080856e4.jpg A segment as what is left when the triangle is taken away NCERT Class 10 Maths, Chapter 11. Halve the angle and the wedge halves. Explain why the sector argument cannot be re-run for a segment. https://prepshorts.com/v/g10-maths-ch11-m02-t03/index.m3u8 867 2026-09-04 yes no no https://prepshorts.com/learn/class-10/maths/surface-areas-and-volumes/decomposing-an-everyday-object-into-the-basic-solids2026-09-30 https://prepshorts.com/poster/g10-maths-ch12-m01-t01-1280.fa1515af8f.jpg Decomposing an everyday object into the basic solids NCERT Class 10 Maths, Ch 12. There is no formula for a spinning top, and there never will be - tops are things people make, not shapes anyone chose to name. https://prepshorts.com/v/g10-maths-ch12-m01-t01/index.m3u8 767 2026-09-04 yes no no https://prepshorts.com/learn/class-10/maths/surface-areas-and-volumes/which-faces-vanish-at-the-join-and-why-you-cannot-simply-add2026-09-30 https://prepshorts.com/poster/g10-maths-ch12-m01-t02-1280.6dde1232b3.jpg Surface area of a joined solid NCERT Class 10 Maths, Chapter 12. Paint a cone. Paint a dome. Identify, for a given join, exactly which parts of which faces leave the outside of the solid. https://prepshorts.com/v/g10-maths-ch12-m01-t02/index.m3u8 863 2026-09-04 yes no no https://prepshorts.com/learn/class-10/maths/surface-areas-and-volumes/why-volumes-do-add-even-though-surface-areas-do-not2026-09-30 https://prepshorts.com/poster/g10-maths-ch12-m02-t01-1280.6cc87fcd81.jpg Combined solids: why volumes add but surface areas don't NCERT Class 10 Maths, Chapter 12. Push two solids together and their surface areas do NOT add - the two faces that meet stop being outside. https://prepshorts.com/v/g10-maths-ch12-m02-t01/index.m3u8 871 2026-09-04 yes no no https://prepshorts.com/learn/class-10/maths/surface-areas-and-volumes/when-a-piece-has-been-scooped-out-apparent-capacity-against2026-09-30 https://prepshorts.com/poster/g10-maths-ch12-m02-t02-1280.f3db91a339.jpg Volume when a piece has been scooped out NCERT Class 10 Maths, Chapter 12. A juice seller's glass is 5 centimetres across and 10 tall, so it holds 196.25 cubic centimetres. https://prepshorts.com/v/g10-maths-ch12-m02-t02/index.m3u8 803 2026-09-04 yes no no https://prepshorts.com/learn/class-10/maths/statistics/grouping-loses-the-raw-values-so-we-stand-the-class-mark-in2026-09-30 https://prepshorts.com/poster/g10-maths-ch13-m01-t01-1280.9122f348f9.jpg Mean of grouped data, using the class mark NCERT Class 10 Maths, Chapter 13. Thirty students, one paper. Work out the average and you get 59.3. So the mean can no longer be computed from it. https://prepshorts.com/v/g10-maths-ch13-m01-t01/index.m3u8 772 2026-09-04 yes no no https://prepshorts.com/learn/class-10/maths/statistics/the-direct-method-and-where-it-becomes-unwieldy2026-09-30 https://prepshorts.com/poster/g10-maths-ch13-m01-t02-1280.5893bf6c06.jpg The direct method, and where it becomes unwieldy NCERT Class 10 Maths, Chapter 13. The direct method is not a method. State the direct-method formula and identify each symbol in a given table. https://prepshorts.com/v/g10-maths-ch13-m01-t02/index.m3u8 899 2026-09-04 yes no no https://prepshorts.com/learn/class-10/maths/statistics/shifting-the-origin-why-guessing-a-centre-cannot-change-the2026-09-30 https://prepshorts.com/poster/g10-maths-ch13-m01-t03-1280.6249e11fa0.jpg The assumed mean method Class 10 Maths. Subtract any number you like from every class mark, average what is left, and the result falls short of the true mean by exactly that number. https://prepshorts.com/v/g10-maths-ch13-m01-t03/index.m3u8 839 2026-09-04 yes no no https://prepshorts.com/learn/class-10/maths/statistics/dividing-through-by-the-class-width-to-shrink-the-arithmetic2026-09-30 https://prepshorts.com/poster/g10-maths-ch13-m01-t04-1280.ab0f9cfca0.jpg The step-deviation method NCERT Class 10 Maths, Chapter 13. Dividing through by the class width to shrink the arithmetic further. Compute a grouped mean as a + h × (Σf·u ÷ Σf). https://prepshorts.com/v/g10-maths-ch13-m01-t04/index.m3u8 879 2026-09-04 yes no no https://prepshorts.com/learn/class-10/maths/statistics/finding-the-busiest-class-then-placing-the-mode-inside-it2026-09-30 https://prepshorts.com/poster/g10-maths-ch13-m02-t01-1280.09c3900bb7.jpg Mode of grouped data: the formula explained NCERT Class 10 Maths, Chapter 13. Finding the busiest class is half of finding the mode, and it is the half everybody remembers. https://prepshorts.com/v/g10-maths-ch13-m02-t01/index.m3u8 821 2026-09-04 yes no no https://prepshorts.com/learn/class-10/maths/statistics/running-totals-and-converting-between-the-two-cumulative2026-09-30 https://prepshorts.com/poster/g10-maths-ch13-m03-t01-1280.e72142803b.jpg Cumulative frequency, both ways round NCERT Class 10 Maths, Chapter 13. A frequency table answers 'how many are here?' and cannot answer 'which class is the 27th script in?'. https://prepshorts.com/v/g10-maths-ch13-m03-t01/index.m3u8 883 2026-09-04 yes no no https://prepshorts.com/learn/class-10/maths/statistics/locating-the-middle-class-and-interpolating-across-it2026-09-30 https://prepshorts.com/poster/g10-maths-ch13-m03-t02-1280.1113da7abf.jpg Locating the middle class and interpolating across it NCERT Class 10 Maths, Chapter 13. Grouping throws the actual values away, so the middle observation still exists but the table cannot name it. https://prepshorts.com/v/g10-maths-ch13-m03-t02/index.m3u8 904 2026-09-04 yes no no https://prepshorts.com/learn/class-10/maths/statistics/which-of-the-three-averages-a-given-question-actually-wants2026-09-30 https://prepshorts.com/poster/g10-maths-ch13-m03-t03-1280.7a435757a8.jpg Mean, median or mode: which average should you use? NCERT Class 10 Maths, Chapter 13. Thirty scripts give a mean of 62, a median of 62.5 and a mode of 52, and nobody has made an arithmetic slip. https://prepshorts.com/v/g10-maths-ch13-m03-t03/index.m3u8 879 2026-09-04 yes no no https://prepshorts.com/learn/class-10/maths/probability/equally-likely-outcomes-and-the-everyday-cases-where-that2026-09-30 https://prepshorts.com/poster/g10-maths-ch14-m01-t01-1280.f6a35f86fe.jpg When outcomes are not equally likely NCERT Class 10 Maths, Chapter 14. A coin has two results and the answer is a half. Explain why tossing a coin is accepted as a fair way to start a match. https://prepshorts.com/v/g10-maths-ch14-m01-t01/index.m3u8 726 2026-09-04 yes no no https://prepshorts.com/learn/class-10/maths/probability/why-repeating-an-experiment-is-often-impossible-and-what2026-09-30 https://prepshorts.com/poster/g10-maths-ch14-m01-t02-1280.a2e49bded5.jpg When an experiment cannot be repeated NCERT Class 10 Maths, Chapter 14. Why repeating an experiment is often impossible, and what replaces it. For a coin that is an afternoon's work. https://prepshorts.com/v/g10-maths-ch14-m01-t02/index.m3u8 677 2026-09-04 yes no no https://prepshorts.com/learn/class-10/maths/probability/favourable-over-total-the-definition-this-chapter-runs-on2026-09-30 https://prepshorts.com/poster/g10-maths-ch14-m01-t03-1280.4aec2b358a.jpg Favourable over total: the definition this chapter runs on NCERT Class 10 Maths, Chapter 14. Favourable over total: the definition this chapter runs on. Four words: favourable over total. https://prepshorts.com/v/g10-maths-ch14-m01-t03/index.m3u8 739 2026-09-04 yes no no https://prepshorts.com/learn/class-10/maths/probability/single-outcome-events-and-why-all-of-them-together-come-to-12026-09-30 https://prepshorts.com/poster/g10-maths-ch14-m02-t01-1280.227392894b.jpg Why the probabilities of all outcomes total 1 NCERT Class 10 Maths, Chapter 14. Single-outcome events, and why all of them together come to 1. An event holding exactly one outcome is an elementary event. https://prepshorts.com/v/g10-maths-ch14-m02-t01/index.m3u8 676 2026-09-04 yes no no https://prepshorts.com/learn/class-10/maths/probability/the-impossible-and-the-certain-pin-the-scale-at-0-and-at-12026-09-30 https://prepshorts.com/poster/g10-maths-ch14-m02-t02-1280.159bcf03cf.jpg The impossible and the certain pin the scale at 0 and at 1 NCERT Class 10 Maths, Ch 14. Ask a die for an 8 and every outcome gets crossed off — nought over six, not a comment on luck but a count with nothing in it. https://prepshorts.com/v/g10-maths-ch14-m02-t02/index.m3u8 675 2026-09-04 yes no no https://prepshorts.com/learn/class-10/maths/probability/complements-knowing-one-probability-hands-you-the-other2026-09-30 https://prepshorts.com/poster/g10-maths-ch14-m02-t03-1280.40ac9b1821.jpg Complementary events: P(not E) = 1 − P(E) NCERT Class 10 Maths, Chapter 14. A tennis match gives one player 0.62 and the other 0.38 by subtracting from 1 — quietly assuming no draw. https://prepshorts.com/v/g10-maths-ch14-m02-t03/index.m3u8 751 2026-09-04 yes no no https://prepshorts.com/learn/class-10/maths/probability/coins-dice-bags-and-a-deck-of-52-getting-the-denominator2026-09-30 https://prepshorts.com/poster/g10-maths-ch14-m03-t01-1280.b629cf619a.jpg Getting the denominator right NCERT Class 10 Maths, Chapter 14. Two coins do not give three results. Total the contents of a bag, box, bank or lot to obtain that denominator. https://prepshorts.com/v/g10-maths-ch14-m03-t01/index.m3u8 971 2026-09-04 yes no no https://prepshorts.com/learn/class-10/maths/probability/when-outcomes-cannot-be-counted-measuring-length-or-area2026-09-30 https://prepshorts.com/poster/g10-maths-ch14-m03-t02-1280.40a76a920c.jpg Geometric probability: length and area NCERT Class 10 Maths, Chapter 14. Stop a two-minute piece of music at a random instant, and the result is a time — one of infinitely many. https://prepshorts.com/v/g10-maths-ch14-m03-t02/index.m3u8 635 2026-09-04 yes no no https://prepshorts.com/learn/class-11/maths/sets/why-well-defined-is-the-whole-difference-between-a-set-and-a2026-09-30 https://prepshorts.com/poster/g11-maths-ch01-m01-t01-1280.4fa14e5e17.jpg What makes a set well-defined NCERT Class 11 Maths, Chapter 1. Name the five greatest musicians who ever lived, then name the odd numbers below ten. https://prepshorts.com/v/g11-maths-ch01-m01-t01/index.m3u8 697 2026-09-04 yes no no https://prepshorts.com/learn/class-11/maths/sets/listing-the-members-versus-stating-the-property-they-share2026-09-30 https://prepshorts.com/poster/g11-maths-ch01-m01-t02-1280.4089085c24.jpg Listing the members versus stating the property they share NCERT Class 11 Maths, Chapter 1. A set can be written two ways: list the members, or state the property they share. https://prepshorts.com/v/g11-maths-ch01-m01-t02/index.m3u8 861 2026-09-04 yes no no https://prepshorts.com/learn/class-11/maths/sets/a-set-with-nothing-in-it-and-sets-you-cannot-finish-listing2026-09-30 https://prepshorts.com/poster/g11-maths-ch01-m01-t03-1280.d171b089c9.jpg A set with nothing in it, and sets you cannot finish listing NCERT Class 11 Maths, Chapter 1. Two collections of students. One has a number nobody has ever counted. Then the name. https://prepshorts.com/v/g11-maths-ch01-m01-t03/index.m3u8 807 2026-09-04 yes no no https://prepshorts.com/learn/class-11/maths/sets/why-order-and-repetition-cannot-make-two-sets-different2026-09-30 https://prepshorts.com/poster/g11-maths-ch01-m01-t04-1280.ad5b6af536.jpg Why order and repetition do not change a set NCERT Class 11 Maths, Chapter 1. One, two, three, four. And three, one, four, two. Same set, or different? Stop there and you say equal. https://prepshorts.com/v/g11-maths-ch01-m01-t04/index.m3u8 816 2026-09-04 yes no no https://prepshorts.com/learn/class-11/maths/sets/containment-proper-containment-and-why-the-empty-set-is2026-09-30 https://prepshorts.com/poster/g11-maths-ch01-m02-t01-1280.92f466b7d0.jpg Subsets, proper subsets and the empty set NCERT Class 11 Maths, Chapter 1. Is the set holding the number one inside the set holding the SET holding one? https://prepshorts.com/v/g11-maths-ch01-m02-t01/index.m3u8 859 2026-09-04 yes no no https://prepshorts.com/learn/class-11/maths/sets/the-number-systems-as-a-chain-of-containments-and-intervals2026-09-30 https://prepshorts.com/poster/g11-maths-ch01-m02-t02-1280.984673ea99.jpg The number systems, and intervals of R NCERT Class 11 Maths, Chapter 1. Two intervals, both six units long, both running between the same two numbers - and they are not the same set. https://prepshorts.com/v/g11-maths-ch01-m02-t02/index.m3u8 879 2026-09-04 yes no no https://prepshorts.com/learn/class-11/maths/sets/why-nothing-can-be-complemented-until-the-surrounding-set-is2026-09-30 https://prepshorts.com/poster/g11-maths-ch01-m02-t03-1280.3f057af228.jpg Why a complement needs a universal set NCERT Class 11 Maths, Chapter 1. Which numbers are not even? State what role the universal set plays and why it is chosen rather than derived. https://prepshorts.com/v/g11-maths-ch01-m02-t03/index.m3u8 775 2026-09-04 yes no no https://prepshorts.com/learn/class-11/maths/sets/turning-a-claim-about-sets-into-a-picture-you-can-read-off2026-09-30 https://prepshorts.com/poster/g11-maths-ch01-m03-t01-1280.21b621046c.jpg Turning a claim about sets into a picture you can read off NCERT Class 11 Maths, Chapter 1. Two overlapping circles get drawn in every course on sets, and almost everyone treats them as a sketch beside the real work. https://prepshorts.com/v/g11-maths-ch01-m03-t01/index.m3u8 714 2026-09-04 yes no no https://prepshorts.com/learn/class-11/maths/sets/union-and-intersection-and-what-it-means-for-two-sets-to2026-09-30 https://prepshorts.com/poster/g11-maths-ch01-m03-t02-1280.39f114b7f2.jpg Union, intersection and disjoint sets NCERT Class 11 Maths, Chapter 1. Union and intersection are usually taught as two new things a set can do. Each is answered with a pair you can point at. https://prepshorts.com/v/g11-maths-ch01-m03-t02/index.m3u8 874 2026-09-04 yes no no https://prepshorts.com/learn/class-11/maths/sets/difference-and-complement-the-same-idea-with-and-without-a2026-09-30 https://prepshorts.com/poster/g11-maths-ch01-m03-t03-1280.242badb081.jpg Set difference and complement NCERT Class 11 Maths, Chapter 1. Remove {2, 4, 6, 8} from {1, 2, 3, 4, 5, 6} and three numbers survive; the other way round, only one does. https://prepshorts.com/v/g11-maths-ch01-m03-t03/index.m3u8 830 2026-09-04 yes no no https://prepshorts.com/learn/class-11/maths/sets/why-complementing-turns-each-of-the-two-operations-into-the2026-09-30 https://prepshorts.com/poster/g11-maths-ch01-m03-t04-1280.53a745e760.jpg De Morgan's laws for sets NCERT Class 11 Maths, Chapter 1. Outside {2, 3} and outside {3, 4, 5}, together, name exactly {1, 6} — same as the complement of their union. https://prepshorts.com/v/g11-maths-ch01-m03-t04/index.m3u8 837 2026-09-04 yes no no https://prepshorts.com/learn/class-11/maths/relations-and-functions/why-writing-a-pair-in-order-carries-information-a-set-cannot2026-09-30 https://prepshorts.com/poster/g11-maths-ch02-m01-t01-1280.25239da09f.jpg Ordered pairs vs sets: why order matters NCERT Class 11 Maths, Chapter 2. A red shirt and a shirt, red: braces cannot tell them apart, since a set forgets order. https://prepshorts.com/v/g11-maths-ch02-m01-t01/index.m3u8 693 2026-09-04 yes no no https://prepshorts.com/learn/class-11/maths/relations-and-functions/counting-all-the-pairs-and-why-swapping-the-two-sets-gives2026-09-30 https://prepshorts.com/poster/g11-maths-ch02-m01-t02-1280.8ae60ea7f2.jpg The Cartesian product of two sets NCERT Class 11 Maths, Chapter 2. Two sets of size three and four cross into twelve pairs either way round — same count, almost never the same set. https://prepshorts.com/v/g11-maths-ch02-m01-t02/index.m3u8 796 2026-09-04 yes no no https://prepshorts.com/learn/class-11/maths/relations-and-functions/a-relation-is-nothing-more-than-a-chosen-part-of-the-product2026-09-30 https://prepshorts.com/poster/g11-maths-ch02-m02-t01-1280.816cb5d8e4.jpg A relation is nothing more than a chosen part of the product NCERT Class 11 Maths, Chapter 2. Three letters, five names, fifteen possible pairings — one sentence keeps four of them. The relation is not the sentence. https://prepshorts.com/v/g11-maths-ch02-m02-t01/index.m3u8 841 2026-09-04 yes no no https://prepshorts.com/learn/class-11/maths/relations-and-functions/what-goes-in-what-comes-out-and-what-was-merely-allowed-to2026-09-30 https://prepshorts.com/poster/g11-maths-ch02-m02-t02-1280.cb04a8c1b3.jpg Domain, range and codomain of a relation NCERT Class 11 Maths, Chapter 2. Five pairs on the numbers one to six settle two sets outright — domain and range, read straight off the list. https://prepshorts.com/v/g11-maths-ch02-m02-t02/index.m3u8 819 2026-09-04 yes no no https://prepshorts.com/learn/class-11/maths/relations-and-functions/the-one-output-rule-that-promotes-a-relation-to-a-function2026-09-30 https://prepshorts.com/poster/g11-maths-ch02-m03-t01-1280.f82bfbc0ff.jpg The one-output rule that promotes a relation to a function NCERT Class 11 Maths, Chapter 2. The one-output rule that promotes a relation to a function. Demand two: no element may be sent to two different places. https://prepshorts.com/v/g11-maths-ch02-m03-t01/index.m3u8 936 2026-09-04 yes no no https://prepshorts.com/learn/class-11/maths/relations-and-functions/each-standard-function-is-pinned-down-by-its-picture-as-much2026-09-30 https://prepshorts.com/poster/g11-maths-ch02-m03-t02-1280.79bee2eeb9.jpg The standard functions and their graphs NCERT Class 11 Maths, Chapter 2. Each standard function is pinned down by its picture as much as by its rule. They are not. https://prepshorts.com/v/g11-maths-ch02-m03-t02/index.m3u8 1115 2026-09-04 yes no no https://prepshorts.com/learn/class-11/maths/relations-and-functions/combining-two-functions-point-by-point-and-the-one-case-that2026-09-30 https://prepshorts.com/poster/g11-maths-ch02-m03-t03-1280.5cc1aeb09d.jpg Adding, multiplying and dividing functions NCERT Class 11 Maths, Chapter 2. Add two functions, subtract them, scale one, multiply them: all four always work. https://prepshorts.com/v/g11-maths-ch02-m03-t03/index.m3u8 906 2026-09-04 yes no no https://prepshorts.com/learn/class-11/maths/trigonometric-functions/an-angle-as-an-amount-of-turning-and-what-its-sign-records2026-09-30 https://prepshorts.com/poster/g11-maths-ch03-m01-t01-1280.03c0fce074.jpg An angle as an amount of turning, and what its sign records NCERT Class 11 Maths, Chapter 3. A corner cannot open past one full turn, or by less than nothing. A running total rather than a shape. https://prepshorts.com/v/g11-maths-ch03-m01-t01/index.m3u8 704 2026-09-04 yes no no https://prepshorts.com/learn/class-11/maths/trigonometric-functions/why-arc-divided-by-radius-is-the-measurement-the-mathematics2026-09-30 https://prepshorts.com/poster/g11-maths-ch03-m01-t02-1280.53cf549034.jpg Why radian measure is arc over radius NCERT Class 11 Maths, Chapter 3. Three hundred and sixty is a number somebody chose; no circle demands it. It is the exact opposite. https://prepshorts.com/v/g11-maths-ch03-m01-t02/index.m3u8 739 2026-09-04 yes no no https://prepshorts.com/learn/class-11/maths/trigonometric-functions/the-exchange-rate-between-the-two-units-and-the-arc-length2026-09-30 https://prepshorts.com/poster/g11-maths-ch03-m01-t03-1280.3b9c541243.jpg Degrees to radians, and arc length NCERT Class 11 Maths, Ch 3. A half turn measures a hundred and eighty in one unit and pi in the other — one equation, divided whichever way a question needs. https://prepshorts.com/v/g11-maths-ch03-m01-t03/index.m3u8 993 2026-09-04 yes no no https://prepshorts.com/learn/class-11/maths/trigonometric-functions/coordinates-on-the-unit-circle-extend-the-ratios-to-every2026-09-30 https://prepshorts.com/poster/g11-maths-ch03-m02-t01-1280.0acbfdc350.jpg Trigonometric functions on the unit circle Class 11 Maths, Ch 3. A right triangle cannot ask for the sine of a hundred and twenty degrees — every angle in it besides the right angle is under ninety. https://prepshorts.com/v/g11-maths-ch03-m02-t01/index.m3u8 946 2026-09-04 yes no no https://prepshorts.com/learn/class-11/maths/trigonometric-functions/which-of-the-six-stays-positive-where-and-what-happens-at2026-09-30 https://prepshorts.com/poster/g11-maths-ch03-m02-t02-1280.e6a2740900.jpg Signs of the six ratios, quadrant by quadrant NCERT Class 11 Maths, Chapter 3. A table of twenty-four pluses and minuses looks like twenty-four things to learn. https://prepshorts.com/v/g11-maths-ch03-m02-t02/index.m3u8 816 2026-09-04 yes no no https://prepshorts.com/learn/class-11/maths/trigonometric-functions/where-each-function-is-defined-what-values-it-reaches-and2026-09-30 https://prepshorts.com/poster/g11-maths-ch03-m02-t03-1280.6e73060f99.jpg Domain, range and period of each function NCERT Class 11 Maths, Chapter 3. Sine and cosine repeat every full turn; tangent and cotangent already repeat after half of one. https://prepshorts.com/v/g11-maths-ch03-m02-t03/index.m3u8 807 2026-09-04 yes no no https://prepshorts.com/learn/class-11/maths/trigonometric-functions/one-distance-calculation-on-the-unit-circle-yields-the2026-09-30 https://prepshorts.com/poster/g11-maths-ch03-m03-t01-1280.bb6bf680da.jpg Deriving cos(x − y) on the unit circle NCERT Class 11 Maths, Chapter 3. Guess that a sum's cosine is the sum of the cosines, and two quarter turns kill it: nothing plus nothing against minus one. https://prepshorts.com/v/g11-maths-ch03-m03-t01/index.m3u8 879 2026-09-04 yes no no https://prepshorts.com/learn/class-11/maths/trigonometric-functions/shifts-by-a-quarter-a-half-and-a-whole-turn-all-fall-out-of2026-09-30 https://prepshorts.com/poster/g11-maths-ch03-m03-t02-1280.8b3654aff2.jpg Trigonometric shifts by a quarter and half turn NCERT Class 11 Maths, Chapter 3. A quarter turn added to an angle swaps its sine and cosine; a half turn never does. https://prepshorts.com/v/g11-maths-ch03-m03-t02/index.m3u8 872 2026-09-04 yes no no https://prepshorts.com/learn/class-11/maths/trigonometric-functions/the-tangent-and-cotangent-versions-and-the-angles-they2026-09-30 https://prepshorts.com/poster/g11-maths-ch03-m03-t03-1280.9effd31dd0.jpg Identities for tan and cot of a sum NCERT Class 11 Maths, Chapter 3. Four identities arrive with small print naming angles they refuse to cover. It is the proof. https://prepshorts.com/v/g11-maths-ch03-m03-t03/index.m3u8 790 2026-09-04 yes no no https://prepshorts.com/learn/class-11/maths/trigonometric-functions/setting-the-second-angle-equal-to-the-first-gives-the-double2026-09-30 https://prepshorts.com/poster/g11-maths-ch03-m03-t04-1280.bb7423aefc.jpg Double and triple angle formulas NCERT Class 11 Maths, Chapter 3. Doubling an angle does not double its cosine. Derive the doubled sine, in both its forms. https://prepshorts.com/v/g11-maths-ch03-m03-t04/index.m3u8 951 2026-09-04 yes no no https://prepshorts.com/learn/class-11/maths/trigonometric-functions/trading-a-sum-of-two-ratios-for-a-product-and-back-again2026-09-30 https://prepshorts.com/poster/g11-maths-ch03-m03-t05-1280.d6005802ab.jpg Trading a sum of two ratios for a product, and back again NCERT Class 11 Maths, Chapter 3. A sum of two sines cannot be cancelled or factored — nothing sits outside a bracket. https://prepshorts.com/v/g11-maths-ch03-m03-t05/index.m3u8 942 2026-09-04 yes no no https://prepshorts.com/learn/class-11/maths/complex-numbers-and-quadratic-equations/an-equation-with-no-real-solution-and-the-symbol-invented-to2026-09-30 https://prepshorts.com/poster/g11-maths-ch04-m01-t01-1280.0d594f55f2.jpg Why the real numbers are not enough NCERT Class 11 Maths, Chapter 4. Square twenty-one ordinary numbers and not one comes out negative. That is evidence, not proof. https://prepshorts.com/v/g11-maths-ch04-m01-t01/index.m3u8 792 2026-09-04 yes no no https://prepshorts.com/learn/class-11/maths/complex-numbers-and-quadratic-equations/splitting-a-number-into-two-parts-and-when-two-such-numbers2026-09-30 https://prepshorts.com/poster/g11-maths-ch04-m01-t02-1280.2ecaa4a5ca.jpg Real and imaginary parts, and equality NCERT Class 11 Maths, Chapter 4. A complex number is not one quantity wearing a strange coat. That third rule is the lesson drawn instead of said. https://prepshorts.com/v/g11-maths-ch04-m01-t02/index.m3u8 791 2026-09-04 yes no no https://prepshorts.com/learn/class-11/maths/complex-numbers-and-quadratic-equations/adding-and-subtracting-componentwise-and-undoing-an-addition2026-09-30 https://prepshorts.com/poster/g11-maths-ch04-m02-t01-1280.04b7b04677.jpg Adding and subtracting complex numbers NCERT Class 11 Maths, Chapter 4. Eight plausible rules for adding two of these numbers, and three pass every test of order and grouping. https://prepshorts.com/v/g11-maths-ch04-m02-t01/index.m3u8 806 2026-09-04 yes no no https://prepshorts.com/learn/class-11/maths/complex-numbers-and-quadratic-equations/multiplying-then-inverting-how-division-becomes-possible2026-09-30 https://prepshorts.com/poster/g11-maths-ch04-m02-t02-1280.572c47eb91.jpg Multiplying, then inverting: how division becomes possible NCERT Class 11 Maths, Chapter 4. The commonest way to multiply two of these numbers has two terms in it. Name the multiplicative identity of the system. https://prepshorts.com/v/g11-maths-ch04-m02-t02/index.m3u8 945 2026-09-04 yes no no https://prepshorts.com/learn/class-11/maths/complex-numbers-and-quadratic-equations/why-the-powers-of-the-new-symbol-run-round-a-cycle-of-four2026-09-30 https://prepshorts.com/poster/g11-maths-ch04-m02-t03-1280.42c0676053.jpg Powers of i: why they repeat in a cycle of four Class 11 Maths, Ch 4. Multiply i by itself forever and nothing grows — the whole infinite list holds four numbers, repeating: i, minus one, minus i, one. https://prepshorts.com/v/g11-maths-ch04-m02-t03/index.m3u8 692 2026-09-04 yes no no https://prepshorts.com/learn/class-11/maths/complex-numbers-and-quadratic-equations/square-roots-of-negative-numbers-and-the-surd-rule-that2026-09-30 https://prepshorts.com/poster/g11-maths-ch04-m02-t04-1280.4123bd5b01.jpg Square roots of negative numbers NCERT Class 11 Maths, Chapter 4. √(−4) × √(−9) is not √36 — multiplied correctly it is 2i × 3i, which is 6i², minus six. https://prepshorts.com/v/g11-maths-ch04-m02-t04/index.m3u8 765 2026-09-04 yes no no https://prepshorts.com/learn/class-11/maths/complex-numbers-and-quadratic-equations/which-school-algebra-identities-survive-the-enlargement-and2026-09-30 https://prepshorts.com/poster/g11-maths-ch04-m02-t05-1280.a0a5a167bf.jpg Which algebraic identities still hold NCERT Class 11 Maths, Chapter 4. Which school algebra identities survive the enlargement, and why. An identity is not a sum. https://prepshorts.com/v/g11-maths-ch04-m02-t05/index.m3u8 810 2026-09-04 yes no no https://prepshorts.com/learn/class-11/maths/complex-numbers-and-quadratic-equations/size-and-reflection-two-quantities-that-turn-algebra-into2026-09-30 https://prepshorts.com/poster/g11-maths-ch04-m03-t01-1280.e8e3bdf2e9.jpg Modulus and conjugate of a complex number NCERT Class 11 Maths, Chapter 4. Size and reflection: two quantities that turn algebra into geometry. One is its modulus. The other is its conjugate. https://prepshorts.com/v/g11-maths-ch04-m03-t01/index.m3u8 941 2026-09-04 yes no no https://prepshorts.com/learn/class-11/maths/complex-numbers-and-quadratic-equations/reading-the-plane-real-axis-imaginary-axis-and-a-mirror2026-09-30 https://prepshorts.com/poster/g11-maths-ch04-m03-t02-1280.5d44505454.jpg The Argand plane, and the conjugate as a mirror NCERT Class 11 Maths, Chapter 4. Two plus four i and the point two-across-four-up are not just similar. Say precisely where this section of the book stops. https://prepshorts.com/v/g11-maths-ch04-m03-t02/index.m3u8 816 2026-09-04 yes no no https://prepshorts.com/learn/class-11/maths/linear-inequalities/everyday-constraints-that-fix-a-range-rather-than-a-value2026-09-30 https://prepshorts.com/poster/g11-maths-ch05-m01-t01-1280.e5185ac239.jpg Everyday constraints that fix a range rather than a value NCERT Class 11 Maths, Chapter 5. Sam has two hundred coins and rice sold only in packets of thirty. Some situations hand you an equation. https://prepshorts.com/v/g11-maths-ch05-m01-t01/index.m3u8 709 2026-09-04 yes no no https://prepshorts.com/learn/class-11/maths/linear-inequalities/sorting-inequalities-numerical-or-literal-strict-or-slack2026-09-30 https://prepshorts.com/poster/g11-maths-ch05-m01-t02-1280.cc353f7dec.jpg The kinds of inequality, sorted NCERT Class 11 Maths, Chapter 5. Ten inequalities, sorted by two separate questions — strict or slack, and how many letters survive to what power. https://prepshorts.com/v/g11-maths-ch05-m01-t02/index.m3u8 754 2026-09-04 yes no no https://prepshorts.com/learn/class-11/maths/linear-inequalities/why-testing-values-one-by-one-is-not-a-method-and-what2026-09-30 https://prepshorts.com/poster/g11-maths-ch05-m02-t01-1280.9a946c88f3.jpg Why testing values is not a method Class 11 Maths, Ch 5. Why testing values one by one is not a method, and what replaces it. Produce a solution set that is empty, and say what makes it empty. https://prepshorts.com/v/g11-maths-ch05-m02-t01/index.m3u8 884 2026-09-04 yes no no https://prepshorts.com/learn/class-11/maths/linear-inequalities/the-one-rule-that-differs-from-equation-solving-and-the2026-09-30 https://prepshorts.com/poster/g11-maths-ch05-m02-t02-1280.91ad5c2bea.jpg The one rule inequalities do not share NCERT Class 11 Maths, Chapter 5. Add the same number to both sides of an inequality, checked across seventy-eight pairs, and not one changes order. https://prepshorts.com/v/g11-maths-ch05-m02-t02/index.m3u8 896 2026-09-04 yes no no https://prepshorts.com/learn/class-11/maths/linear-inequalities/drawing-the-answer-as-a-piece-of-the-number-line-hollow2026-09-30 https://prepshorts.com/poster/g11-maths-ch05-m02-t03-1280.f2ed10b8b5.jpg Graphing a solution on the number line NCERT Class 11 Maths, Chapter 5. Score a solved inequality's drawing against a hundred and one values. Translate between a drawn answer and its bracket form. https://prepshorts.com/v/g11-maths-ch05-m02-t03/index.m3u8 777 2026-09-04 yes no no https://prepshorts.com/learn/class-11/maths/permutations-and-combinations/why-choices-made-one-after-another-multiply-rather-than-add2026-09-30 https://prepshorts.com/poster/g11-maths-ch06-m01-t01-1280.4ff3869fef.jpg Fundamental principle of counting: why we multiply NCERT Class 11 Maths, Chapter 6. Three trousers and two shirts do not make five outfits. Identify which stage carries a restriction and fill that stage first. https://prepshorts.com/v/g11-maths-ch06-m01-t01/index.m3u8 747 2026-09-04 yes no no https://prepshorts.com/learn/class-11/maths/permutations-and-combinations/filling-a-row-of-places-one-at-a-time-from-a-supply-of2026-09-30 https://prepshorts.com/poster/g11-maths-ch06-m02-t01-1280.85c8b2721e.jpg Filling a row of places, one at a time NCERT Class 11 Maths, Chapter 6. Fill three places from six letters, none repeated: six times five times four, a hundred and twenty ways. https://prepshorts.com/v/g11-maths-ch06-m02-t01/index.m3u8 791 2026-09-04 yes no no https://prepshorts.com/learn/class-11/maths/permutations-and-combinations/a-shorthand-for-descending-products-and-why-the-empty2026-09-30 https://prepshorts.com/poster/g11-maths-ch06-m02-t02-1280.4a546390fe.jpg Factorial notation, and why 0! is 1 NCERT Class 11 Maths, Chapter 6. A shorthand for descending products, and why the empty product is set to one. https://prepshorts.com/v/g11-maths-ch06-m02-t02/index.m3u8 856 2026-09-04 yes no no https://prepshorts.com/learn/class-11/maths/permutations-and-combinations/the-closed-formula-and-how-allowing-repeats-changes-the2026-09-30 https://prepshorts.com/poster/g11-maths-ch06-m02-t03-1280.ed16f899a0.jpg The formula for nPr, with and without repeats NCERT Class 11 Maths, Chapter 6. Six times five times four, and six-factorial-over-three-factorial, are the same number reached two ways. https://prepshorts.com/v/g11-maths-ch06-m02-t03/index.m3u8 953 2026-09-04 yes no no https://prepshorts.com/learn/class-11/maths/permutations-and-combinations/dividing-out-the-swaps-you-cannot-see-when-some-objects-are2026-09-30 https://prepshorts.com/poster/g11-maths-ch06-m02-t04-1280.603b272b43.jpg Permutations when some objects are identical NCERT Class 11 Maths, Chapter 6. Label the two O's in ROOT and there are twenty-four arrangements of the four letters. https://prepshorts.com/v/g11-maths-ch06-m02-t04/index.m3u8 822 2026-09-04 yes no no https://prepshorts.com/learn/class-11/maths/permutations-and-combinations/every-selection-was-counted-once-per-arrangement-of-itself2026-09-30 https://prepshorts.com/poster/g11-maths-ch06-m03-t01-1280.9cd570331b.jpg Every selection was counted once per arrangement of itself Class 11 Maths, Ch 6. Three players, two chosen for a team: counting with order gives six rows, but X-then-Y and Y-then-X are one team wearing two names. https://prepshorts.com/v/g11-maths-ch06-m03-t01/index.m3u8 797 2026-09-04 yes no no https://prepshorts.com/learn/class-11/maths/permutations-and-combinations/choosing-what-to-leave-out-and-the-rule-that-builds-each2026-09-30 https://prepshorts.com/poster/g11-maths-ch06-m03-t02-1280.2b634f0ad1.jpg Pascal's rule, and choosing what to leave out NCERT Class 11 Maths, Chapter 6. Circling three objects out of five, in the same movement, names the two left behind. https://prepshorts.com/v/g11-maths-ch06-m03-t02/index.m3u8 793 2026-09-04 yes no no https://prepshorts.com/learn/class-11/maths/binomial-theorem/reading-the-pattern-out-of-the-first-few-expansions2026-09-30 https://prepshorts.com/poster/g11-maths-ch07-m01-t01-1280.c3121ffe08.jpg Reading the pattern out of the first few expansions NCERT Class 11 Maths, Chapter 7. The row of coefficients for the fourth power is the third power's row, copied, shifted one place along, and added to itself. https://prepshorts.com/v/g11-maths-ch07-m01-t01/index.m3u8 779 2026-09-04 yes no no https://prepshorts.com/learn/class-11/maths/binomial-theorem/rewriting-the-triangle-with-selection-counts-so-any-row-is2026-09-30 https://prepshorts.com/poster/g11-maths-ch07-m01-t02-1280.0ba92282c2.jpg Pascal's triangle as selection counts NCERT Class 11 Maths, Chapter 7. Rewriting the triangle with selection counts, so any row is reachable directly. https://prepshorts.com/v/g11-maths-ch07-m01-t02/index.m3u8 718 2026-09-04 yes no no https://prepshorts.com/learn/class-11/maths/binomial-theorem/proving-the-expansion-for-every-positive-power-by-induction2026-09-30 https://prepshorts.com/poster/g11-maths-ch07-m02-t01-1280.58243ae280.jpg Proving the expansion for every positive power by induction NCERT Class 11 Maths, Ch 7. A rule built to agree with every coefficient row checked so far does agree, on all of them — and first breaks at the sixth power. https://prepshorts.com/v/g11-maths-ch07-m02-t01/index.m3u8 739 2026-09-04 yes no no https://prepshorts.com/learn/class-11/maths/binomial-theorem/substituting-particular-values-and-the-coefficient2026-09-30 https://prepshorts.com/poster/g11-maths-ch07-m02-t02-1280.13f9fbae53.jpg Binomial coefficient identities NCERT Class 11 Maths, Chapter 7. Set both terms in an expansion to one, and its row of coefficients sums to a power of two. https://prepshorts.com/v/g11-maths-ch07-m02-t02/index.m3u8 830 2026-09-04 yes no no https://prepshorts.com/learn/class-11/maths/sequences-and-series/a-rule-that-turns-a-position-number-into-a-term2026-09-30 https://prepshorts.com/poster/g11-maths-ch08-m01-t01-1280.7f0f3bdc3b.jpg A rule that turns a position number into a term NCERT Class 11 Maths, Chapter 8. Counting ancestors back three centuries, thirty years to a generation, gives ten answers and stops. https://prepshorts.com/v/g11-maths-ch08-m01-t01/index.m3u8 786 2026-09-04 yes no no https://prepshorts.com/learn/class-11/maths/sequences-and-series/what-changes-once-the-terms-are-added-instead-of-listed2026-09-30 https://prepshorts.com/poster/g11-maths-ch08-m01-t02-1280.c95737dae7.jpg Sequence vs series: what is the difference? NCERT Class 11 Maths, Chapter 8. 1 + 3 + 5 + 7 has four terms in it. 16 has none. Write the series associated with a given sequence, finite or infinite. https://prepshorts.com/v/g11-maths-ch08-m01-t02/index.m3u8 632 2026-09-04 yes no no https://prepshorts.com/learn/class-11/maths/sequences-and-series/a-constant-ratio-between-neighbours-is-the-entire-definition2026-09-30 https://prepshorts.com/poster/g11-maths-ch08-m02-t01-1280.042fef548a.jpg A constant ratio between neighbours is the entire definition NCERT Class 11 Maths, Chapter 8. A geometric progression is not a shape you learn to recognise. Three lists, chosen so that recognition fails. https://prepshorts.com/v/g11-maths-ch08-m02-t01/index.m3u8 749 2026-09-04 yes no no https://prepshorts.com/learn/class-11/maths/sequences-and-series/reaching-any-term-without-walking-through-the-earlier-ones2026-09-30 https://prepshorts.com/poster/g11-maths-ch08-m02-t02-1280.e1d6fe888e.jpg Reaching any term without walking through the earlier ones NCERT Class 11 Maths, Chapter 8. Start at two, multiply by three, over and over: two, six, eighteen, fifty-four. https://prepshorts.com/v/g11-maths-ch08-m02-t02/index.m3u8 821 2026-09-04 yes no no https://prepshorts.com/learn/class-11/maths/sequences-and-series/subtracting-a-scaled-copy-of-the-total-to-collapse-it-to-two2026-09-30 https://prepshorts.com/poster/g11-maths-ch08-m02-t03-1280.099c784d6f.jpg Deriving the sum of a geometric progression NCERT Class 11 Maths, Chapter 8. Write a geometric progression's sum, then that sum times its own ratio, underneath. https://prepshorts.com/v/g11-maths-ch08-m02-t03/index.m3u8 900 2026-09-04 yes no no https://prepshorts.com/learn/class-11/maths/sequences-and-series/the-number-that-sits-between-two-others-multiplicatively2026-09-30 https://prepshorts.com/poster/g11-maths-ch08-m02-t04-1280.7ac4838766.jpg The number that sits between two others multiplicatively NCERT Class 11 Maths, Chapter 8. An empty box sits between two and eight, and nothing belongs there until a job is named: the same multiplier in as out. https://prepshorts.com/v/g11-maths-ch08-m02-t04/index.m3u8 760 2026-09-04 yes no no https://prepshorts.com/learn/class-11/maths/sequences-and-series/why-one-of-the-two-means-can-never-overtake-the-other2026-09-30 https://prepshorts.com/poster/g11-maths-ch08-m02-t05-1280.8ec81833a5.jpg Why AM ≥ GM: arithmetic and geometric means NCERT Class 11 Maths, Chapter 8. Why one of the two means can never overtake the other. State both means of a pair of positive numbers and compute each. https://prepshorts.com/v/g11-maths-ch08-m02-t05/index.m3u8 629 2026-09-04 yes no no https://prepshorts.com/learn/class-11/maths/sequences-and-series/when-the-ratio-is-small-enough-an-endless-sum-still-settles2026-09-30 https://prepshorts.com/poster/g11-maths-ch08-m03-t01-1280.d608097659.jpg When an infinite series settles on a number NCERT Class 11 Maths, Chapter 8. No finite total of 1, two-thirds, four-ninths and onward ever reaches 3, and every one falls short forever. https://prepshorts.com/v/g11-maths-ch08-m03-t01/index.m3u8 837 2026-09-04 yes no no https://prepshorts.com/learn/class-11/maths/straight-lines/steepness-as-the-tangent-of-an-angle-and-the-one-line-that2026-09-30 https://prepshorts.com/poster/g11-maths-ch09-m01-t01-1280.b7a1442afe.jpg Slope as the tangent of an angle NCERT Class 11 Maths, Chapter 9. Steepness as the tangent of an angle, and the one line that has none. A line can be described two ways. https://prepshorts.com/v/g11-maths-ch09-m01-t01/index.m3u8 862 2026-09-04 yes no no https://prepshorts.com/learn/class-11/maths/straight-lines/equal-slopes-mean-parallel-slopes-multiplying-to-minus-one2026-09-30 https://prepshorts.com/poster/g11-maths-ch09-m01-t02-1280.dc7a1d6536.jpg Slopes of parallel and perpendicular lines NCERT Class 11 Maths, Chapter 9. Equal slopes mean parallel; slopes multiplying to minus one mean perpendicular. https://prepshorts.com/v/g11-maths-ch09-m01-t02/index.m3u8 915 2026-09-04 yes no no https://prepshorts.com/learn/class-11/maths/straight-lines/recovering-the-angle-between-two-lines-from-their-two-slopes2026-09-30 https://prepshorts.com/poster/g11-maths-ch09-m01-t03-1280.929a5cad84.jpg Recovering the angle between two lines from their two slopes NCERT Class 11 Maths, Chapter 9. Two crossing lines make four angles, not one, in only two distinct sizes. Recover the obtuse angle from the acute one. https://prepshorts.com/v/g11-maths-ch09-m01-t03/index.m3u8 891 2026-09-04 yes no no https://prepshorts.com/learn/class-11/maths/straight-lines/lines-parallel-to-an-axis-where-one-coordinate-never-changes2026-09-30 https://prepshorts.com/poster/g11-maths-ch09-m02-t01-1280.f2c4bdba76.jpg Lines parallel to the axes NCERT Class 11 Maths, Chapter 9. y = 3 carries no x at all - not a missing ingredient, but a statement that the first coordinate is free. https://prepshorts.com/v/g11-maths-ch09-m02-t01/index.m3u8 709 2026-09-04 yes no no https://prepshorts.com/learn/class-11/maths/straight-lines/one-point-and-a-slope-or-two-points-the-same-condition2026-09-30 https://prepshorts.com/poster/g11-maths-ch09-m02-t02-1280.0aeb47964d.jpg Point-slope and two-point forms of a line NCERT Class 11 Maths, Chapter 9. Point-slope and two-point look like two formulas to remember. Derive the two-point equation from a collinearity statement. https://prepshorts.com/v/g11-maths-ch09-m02-t02/index.m3u8 877 2026-09-04 yes no no https://prepshorts.com/learn/class-11/maths/straight-lines/naming-a-line-by-where-it-crosses-the-axes2026-09-30 https://prepshorts.com/poster/g11-maths-ch09-m02-t03-1280.3ec77b0bf5.jpg Naming a line by where it crosses the axes NCERT Class 11 Maths, Chapter 9. Naming a line by where it crosses the axes. Explain what the sign of the y-intercept records. https://prepshorts.com/v/g11-maths-ch09-m02-t03/index.m3u8 907 2026-09-04 yes no no https://prepshorts.com/learn/class-11/maths/straight-lines/naming-ax-by-c-0-the-one-form-the-distance-formula-ahead2026-09-30 https://prepshorts.com/poster/g11-maths-ch09-m02-t04-1280.68557e42bf.jpg The general form Ax + By + C = 0 NCERT Class 11 Maths, Chapter 9. Every slope-based way of writing a line refuses a vertical one. Test three lines given in general form for a common point. https://prepshorts.com/v/g11-maths-ch09-m02-t04/index.m3u8 828 2026-09-04 yes no no https://prepshorts.com/learn/class-11/maths/straight-lines/the-shortest-route-from-a-point-to-a-line-read-off-its2026-09-30 https://prepshorts.com/poster/g11-maths-ch09-m03-t01-1280.292dac66dd.jpg Distance from a point to a line NCERT Class 11 Maths, Chapter 9. The shortest route from a point to a line, read off its coefficients. A line is not one place. https://prepshorts.com/v/g11-maths-ch09-m03-t01/index.m3u8 974 2026-09-04 yes no no https://prepshorts.com/learn/class-11/maths/straight-lines/the-gap-between-two-parallel-lines-as-one-distance-measured2026-09-30 https://prepshorts.com/poster/g11-maths-ch09-m03-t02-1280.f492d2f4aa.jpg Distance between two parallel lines NCERT Class 11 Maths, Chapter 9. The gap between two parallel lines as one distance measured once. Find the line lying midway between two given parallels. https://prepshorts.com/v/g11-maths-ch09-m03-t02/index.m3u8 748 2026-09-04 yes no no https://prepshorts.com/learn/class-11/maths/conic-sections/one-surface-four-curves-chosen-by-the-angle-of-the-cut2026-09-30 https://prepshorts.com/poster/g11-maths-ch10-m01-t01-1280.52912c5f6f.jpg One surface, four curves, chosen by the angle of the cut NCERT Class 11 Maths, Chapter 10. Circle, ellipse, parabola and hyperbola look like four separate topics. State which angle β measures, and against what. https://prepshorts.com/v/g11-maths-ch10-m01-t01/index.m3u8 730 2026-09-04 yes no no https://prepshorts.com/learn/class-11/maths/conic-sections/cuts-through-the-vertex-where-the-curve-degenerates2026-09-30 https://prepshorts.com/poster/g11-maths-ch10-m01-t02-1280.b8794402c0.jpg Cuts through the vertex, where the curve degenerates NCERT Class 11 Maths, Chapter 10. Cuts through the vertex, where the curve degenerates. That single property is the whole of the explanation. https://prepshorts.com/v/g11-maths-ch10-m01-t02/index.m3u8 736 2026-09-04 yes no no https://prepshorts.com/learn/class-11/maths/conic-sections/fixed-distance-from-a-fixed-point-turned-into-an-equation2026-09-30 https://prepshorts.com/poster/g11-maths-ch10-m02-t01-1280.fa31b94b17.jpg Equation of a circle: how it is derived NCERT Class 11 Maths, Chapter 10. A parabola's definition names a point and a line; an ellipse's and a hyperbola's each name two points. https://prepshorts.com/v/g11-maths-ch10-m02-t01/index.m3u8 792 2026-09-04 yes no no https://prepshorts.com/learn/class-11/maths/conic-sections/fixed-distance-from-a-fixed-point-turned-into-an-equation/hi2026-09-30 https://prepshorts.com/poster/g11-maths-ch10-m02-t01-1280.fa31b94b17.jpg Class 11 Maths Ch 10 in Hindi · एक fixed point से fixed NCERT Class 11 Maths Chapter 10 in Hindi · कक्षा 11, अध्याय 10, हिंदी में. Fixed distance from a fixed point, turned into an equation. https://prepshorts.com/v/g11-maths-ch10-m02-t01/index.m3u8 792 2026-09-04 yes no no https://prepshorts.com/learn/class-11/maths/conic-sections/balancing-a-point-against-a-line-and-the-four-equations-that2026-09-30 https://prepshorts.com/poster/g11-maths-ch10-m02-t02-1280.86f88516b6.jpg The four standard equations of a parabola NCERT Class 11 Maths, Chapter 10. A circle needs one point and one number, and never cares where the axes sit. https://prepshorts.com/v/g11-maths-ch10-m02-t02/index.m3u8 942 2026-09-04 yes no no https://prepshorts.com/learn/class-11/maths/conic-sections/the-chord-through-the-focus-that-measures-how-open-the-curve2026-09-30 https://prepshorts.com/poster/g11-maths-ch10-m02-t03-1280.df187a927e.jpg The latus rectum of a parabola Class 11 Maths. A parabola's defining length, called a, cannot be pointed to on the curve - it runs from the vertex to a focus sitting off the curve entirely. https://prepshorts.com/v/g11-maths-ch10-m02-t03/index.m3u8 703 2026-09-04 yes no no https://prepshorts.com/learn/class-11/maths/conic-sections/two-fixed-points-and-a-fixed-total-distance2026-09-30 https://prepshorts.com/poster/g11-maths-ch10-m03-t01-1280.b24ec1f606.jpg Ellipse: the sum of distances from two foci NCERT Class 11 Maths, Chapter 10. Two fixed points and a fixed total distance. State Definition 4 and name its two ingredients and the quantity held constant. https://prepshorts.com/v/g11-maths-ch10-m03-t01/index.m3u8 711 2026-09-04 yes no no https://prepshorts.com/learn/class-11/maths/conic-sections/the-right-triangle-hidden-in-the-figure-and-the-single2026-09-30 https://prepshorts.com/poster/g11-maths-ch10-m03-t02-1280.918e0b4fd8.jpg The relation between a, b and c in an ellipse NCERT Class 11 Maths, Ch 10. The identity linking an ellipse's three lengths looks like Pythagoras borrowed straight from a right triangle, and it is not. https://prepshorts.com/v/g11-maths-ch10-m03-t02/index.m3u8 818 2026-09-04 yes no no https://prepshorts.com/learn/class-11/maths/conic-sections/putting-the-centre-at-the-origin-and-reading-the-axes-off2026-09-30 https://prepshorts.com/poster/g11-maths-ch10-m03-t03-1280.f427ae0bab.jpg Standard equation of an ellipse NCERT Class 11 Maths, Chapter 10. Putting the centre at the origin, and reading the axes off the equation. TWO DECISIONS, MADE BEFORE ANY ALGEBRA. https://prepshorts.com/v/g11-maths-ch10-m03-t03/index.m3u8 939 2026-09-04 yes no no https://prepshorts.com/learn/class-11/maths/conic-sections/replacing-the-fixed-total-by-a-fixed-difference2026-09-30 https://prepshorts.com/poster/g11-maths-ch10-m03-t04-1280.72709b40be.jpg Replacing the fixed total by a fixed difference NCERT Class 11 Maths, Chapter 10. Replacing the fixed total by a fixed difference. State Definition 7 and identify what is held constant. https://prepshorts.com/v/g11-maths-ch10-m03-t04/index.m3u8 738 2026-09-04 yes no no https://prepshorts.com/learn/class-11/maths/conic-sections/once-c-outgrows-a-the-ellipse-s-eccentricity-and-equation2026-09-30 https://prepshorts.com/poster/g11-maths-ch10-m03-t05-1280.0287ca8b9a.jpg From ellipse to hyperbola, once c outgrows a NCERT Class 11 Maths, Chapter 10. The hyperbola's equation is not a fresh derivation. State Definition 8 and compute e for a given hyperbola. https://prepshorts.com/v/g11-maths-ch10-m03-t05/index.m3u8 977 2026-09-04 yes no no https://prepshorts.com/learn/class-11/maths/conic-sections/the-latus-rectum-measured-on-an-open-curve-by-the-ellipse-s2026-09-30 https://prepshorts.com/poster/g11-maths-ch10-m03-t06-1280.7c7ea86c85.jpg The latus rectum of a hyperbola NCERT Class 11 Maths, Chapter 10. The latus rectum measured on an open curve, by the ellipse's own calculation. https://prepshorts.com/v/g11-maths-ch10-m03-t06/index.m3u8 851 2026-09-04 yes no no https://prepshorts.com/learn/class-11/maths/introduction-to-three-dimensional-geometry/three-perpendicular-planes-and-the-eight-regions-they-cut2026-09-30 https://prepshorts.com/poster/g11-maths-ch11-m01-t01-1280.20d98a93f0.jpg The three coordinate planes and eight octants NCERT Class 11 Maths, Ch 11. Three planes through one point, each at right angles to the other two, cut space into eight regions - and eight is not automatic. https://prepshorts.com/v/g11-maths-ch11-m01-t01/index.m3u8 794 2026-09-04 yes no no https://prepshorts.com/learn/class-11/maths/introduction-to-three-dimensional-geometry/reading-a-triple-as-three-perpendicular-distances-one-per2026-09-30 https://prepshorts.com/poster/g11-maths-ch11-m02-t01-1280.06fa5be4cb.jpg A triple as three perpendicular distances NCERT Class 11 Maths, Chapter 11. The first coordinate of a point in space is not its distance from the x-axis. https://prepshorts.com/v/g11-maths-ch11-m02-t01/index.m3u8 769 2026-09-04 yes no no https://prepshorts.com/learn/class-11/maths/introduction-to-three-dimensional-geometry/which-coordinate-goes-to-zero-on-which-axis-or-plane2026-09-30 https://prepshorts.com/poster/g11-maths-ch11-m02-t02-1280.19fa95fef8.jpg 3D coordinates of points on the axes and planes NCERT Class 11 Maths, Chapter 11. A zero inside a triple of coordinates looks like nothing worth saying. A zero looks like an absence. https://prepshorts.com/v/g11-maths-ch11-m02-t02/index.m3u8 706 2026-09-04 yes no no https://prepshorts.com/learn/class-11/maths/introduction-to-three-dimensional-geometry/applying-the-right-triangle-rule-twice-to-get-out-of-the2026-09-30 https://prepshorts.com/poster/g11-maths-ch11-m03-t01-1280.f2af4d225e.jpg Distance between two points in space NCERT Class 11 Maths, Chapter 11. The distance formula in three dimensions looks like Pythagoras with an extra term stapled on. https://prepshorts.com/v/g11-maths-ch11-m03-t01/index.m3u8 850 2026-09-04 yes no no https://prepshorts.com/learn/class-11/maths/limits-and-derivatives/averaging-over-shorter-and-shorter-intervals-to-get-a-speed2026-09-30 https://prepshorts.com/poster/g11-maths-ch12-m01-t01-1280.8da6e2a134.jpg Average speed, and speed at an instant NCERT Class 11 Maths, Chapter 12. A stone falls for two seconds, and its speed at that exact instant asks for nothing divided by nothing. https://prepshorts.com/v/g11-maths-ch12-m01-t01/index.m3u8 799 2026-09-04 yes no no https://prepshorts.com/learn/class-11/maths/limits-and-derivatives/approaching-from-the-left-and-from-the-right-and-when-the2026-09-30 https://prepshorts.com/poster/g11-maths-ch12-m01-t02-1280.c77dc56936.jpg Left-hand and right-hand limits Class 11 Maths, Ch 12. Walk toward a point on the line from below and the outputs settle on one value; walk in from above and they can settle on another. https://prepshorts.com/v/g11-maths-ch12-m01-t02/index.m3u8 848 2026-09-04 yes no no https://prepshorts.com/learn/class-11/maths/limits-and-derivatives/why-what-a-function-approaches-need-not-be-what-it-equals2026-09-30 https://prepshorts.com/poster/g11-maths-ch12-m01-t03-1280.383dc3d1d0.jpg Limit vs function value: why they can differ NCERT Class 11 Maths, Chapter 12. x squared minus 4, over x minus 2, has no value at x = 2, and a perfectly definite limit of 4 there all the same. https://prepshorts.com/v/g11-maths-ch12-m01-t03/index.m3u8 906 2026-09-04 yes no no https://prepshorts.com/learn/class-11/maths/limits-and-derivatives/limits-pass-through-sums-products-and-quotients2026-09-30 https://prepshorts.com/poster/g11-maths-ch12-m02-t01-1280.972593cb89.jpg Limits pass through sums, products and quotients Class 11 Maths, Ch 12. Almost everything you can compute about a limit rests on one rule: that if you know two limits, you know the limit of the combination. https://prepshorts.com/v/g11-maths-ch12-m02-t01/index.m3u8 833 2026-09-04 yes no no https://prepshorts.com/learn/class-11/maths/limits-and-derivatives/substitution-works-until-it-gives-nothing-over-nothing-and2026-09-30 https://prepshorts.com/poster/g11-maths-ch12-m02-t02-1280.be926f9e45.jpg Limits of the 0/0 form, by cancellation Class 11 Maths. Putting the number in is not the definition of a limit - it is a theorem, and it stops working exactly where nothing over nothing appears. https://prepshorts.com/v/g11-maths-ch12-m02-t02/index.m3u8 1006 2026-09-04 yes no no https://prepshorts.com/learn/class-11/maths/limits-and-derivatives/trapping-a-function-between-two-others-to-settle-the2026-09-30 https://prepshorts.com/poster/g11-maths-ch12-m02-t03-1280.ed37946984.jpg The sandwich theorem for trigonometric limits NCERT Class 11 Maths, Chapter 12. sin x over x, closing in on nothing, is a 0/0 no factorisation can touch - a sine is not built from powers of x. https://prepshorts.com/v/g11-maths-ch12-m02-t03/index.m3u8 955 2026-09-04 yes no no https://prepshorts.com/learn/class-11/maths/limits-and-derivatives/the-rate-of-change-at-a-point-defined-as-a-limit-of-average2026-09-30 https://prepshorts.com/poster/g11-maths-ch12-m03-t01-1280.a76b2d5298.jpg The derivative as a limit of average rates NCERT Class 11 Maths, Chapter 12. Speed at an instant is a question with no answer as asked - the distance you would divide is nothing and so is the time. https://prepshorts.com/v/g11-maths-ch12-m03-t01/index.m3u8 1047 2026-09-04 yes no no https://prepshorts.com/learn/class-11/maths/limits-and-derivatives/rules-for-differentiating-a-sum-a-product-and-a-quotient2026-09-30 https://prepshorts.com/poster/g11-maths-ch12-m03-t02-1280.c164f7f8df.jpg Rules for differentiating a sum, a product and a quotient NCERT Class 11 Maths, Chapter 12. Rules for differentiating a sum, a product and a quotient. Two of them are exact copies. https://prepshorts.com/v/g11-maths-ch12-m03-t02/index.m3u8 1151 2026-09-04 yes no no https://prepshorts.com/learn/class-11/maths/limits-and-derivatives/the-power-rule-and-a-polynomial-s-derivative-assembled-out2026-09-30 https://prepshorts.com/poster/g11-maths-ch12-m03-t03-1280.ba5c9c7501.jpg The power rule and the sum rule NCERT Class 11 Maths, Chapter 12. The power rule, and a polynomial's derivative assembled out of it and the sum rule. https://prepshorts.com/v/g11-maths-ch12-m03-t03/index.m3u8 1096 2026-09-04 yes no no https://prepshorts.com/learn/class-11/maths/limits-and-derivatives/sine-and-tangent-go-back-to-the-definition-because-no-rule2026-10-03 https://prepshorts.com/poster/g11-maths-ch12-m03-t04-1280.2ff9c1110d.jpg Derivatives of sine and tangent, from first principles NCERT Class 11 Maths, Chapter 12. Sine and tangent go back to the definition, because no rule so far reaches them. https://prepshorts.com/v/g11-maths-ch12-m03-t04/index.m3u8 1014 2026-09-04 yes no no https://prepshorts.com/learn/class-11/maths/limits-and-derivatives/the-exponential-and-the-logarithm-their-domains-ranges-and2026-09-30 https://prepshorts.com/poster/g11-maths-ch12-m04-t01-1280.86b5154de3.jpg The exponential and logarithmic functions Class 11 Maths. The exponential and the logarithm, their domains, ranges and graphs. State the domain and the range of the exponential function with base e. https://prepshorts.com/v/g11-maths-ch12-m04-t01/index.m3u8 825 2026-09-04 yes no no https://prepshorts.com/learn/class-11/maths/limits-and-derivatives/two-standard-limits-the-first-squeezed-out-of-an-inequality2026-09-30 https://prepshorts.com/poster/g11-maths-ch12-m04-t02-1280.d20dce28a4.jpg Two standard limits for e and log Class 11 Maths, Ch 12. The inequality this whole topic rests on is stated and never proved - and the explanation says so rather than pretending otherwise. https://prepshorts.com/v/g11-maths-ch12-m04-t02/index.m3u8 1213 2026-09-04 yes no no https://prepshorts.com/learn/class-11/maths/statistics/two-records-with-the-same-average-that-describe-very2026-09-30 https://prepshorts.com/poster/g11-maths-ch13-m01-t01-1280.6ca02b76be.jpg Why one average is not enough NCERT Class 11 Maths, Chapter 13. Two records with the same average that describe very different players. An average answers WHERE a set of numbers sits. https://prepshorts.com/v/g11-maths-ch13-m01-t01/index.m3u8 1067 2026-09-04 yes no no https://prepshorts.com/learn/class-11/maths/statistics/the-cheapest-measure-of-spread-and-everything-it-fails-to2026-09-30 https://prepshorts.com/poster/g11-maths-ch13-m01-t02-1280.4085d71977.jpg Range as a measure of spread Class 11 Maths, Ch 13. The cheapest measure of spread, and everything it fails to notice. Compute and compare the ranges of the chapter's two batting records. https://prepshorts.com/v/g11-maths-ch13-m01-t02/index.m3u8 916 2026-09-04 yes no no https://prepshorts.com/learn/class-11/maths/statistics/signed-deviations-cancel-to-nothing-so-the-sign-has-to-be2026-09-30 https://prepshorts.com/poster/g11-maths-ch13-m02-t01-1280.80b711c242.jpg Why deviations need their signs discarded NCERT Class 11 Maths, Chapter 13. Signed deviations cancel to nothing, so the sign has to be discarded. A centre says WHERE a set of numbers sits. https://prepshorts.com/v/g11-maths-ch13-m02-t01/index.m3u8 940 2026-09-04 yes no no https://prepshorts.com/learn/class-11/maths/statistics/working-it-out-about-the-mean-and-about-the-median-for-a2026-09-30 https://prepshorts.com/poster/g11-maths-ch13-m02-t02-1280.b5bab15cdf.jpg Mean deviation about the mean and the median NCERT Class 11 Maths, Chapter 13. Working it out about the mean and about the median, for a plain list. Step one says fix a centre and does not say which. https://prepshorts.com/v/g11-maths-ch13-m02-t02/index.m3u8 863 2026-09-04 yes no no https://prepshorts.com/learn/class-11/maths/statistics/the-same-procedure-once-the-data-arrive-already-grouped2026-09-30 https://prepshorts.com/poster/g11-maths-ch13-m02-t03-1280.8f7551ea83.jpg The same procedure once the data arrive already grouped NCERT Class 11 Maths, Chapter 13. A table of bands, unlike a table of values, loses the readings themselves. Sometimes the readings do not arrive as a list. https://prepshorts.com/v/g11-maths-ch13-m02-t03/index.m3u8 1288 2026-09-04 yes no no https://prepshorts.com/learn/class-11/maths/statistics/where-this-measure-breaks-down-and-why-another-was-needed2026-09-30 https://prepshorts.com/poster/g11-maths-ch13-m02-t04-1280.2d1e7f2dba.jpg Where this measure breaks down, and why another was needed NCERT Class 11 Maths, Chapter 13. The mean deviation is retired within a page of being defined, and the usual complaints barely matter. https://prepshorts.com/v/g11-maths-ch13-m02-t04/index.m3u8 995 2026-09-04 yes no no https://prepshorts.com/learn/class-11/maths/statistics/squaring-removes-the-sign-and-punishes-the-far-out-values2026-09-30 https://prepshorts.com/poster/g11-maths-ch13-m03-t01-1280.89aa31a024.jpg Squaring removes the sign and punishes the far-out values NCERT Class 11 Maths, Chapter 13. Squaring removes the sign and punishes the far-out values. Define the variance and give its symbol. https://prepshorts.com/v/g11-maths-ch13-m03-t01/index.m3u8 762 2026-09-04 yes no no https://prepshorts.com/learn/class-11/maths/statistics/taking-the-root-to-get-the-spread-back-into-the-units-of-the2026-09-30 https://prepshorts.com/poster/g11-maths-ch13-m03-t02-1280.63e9bd801f.jpg Variance and standard deviation NCERT Class 11 Maths, Chapter 13. Taking the root to get the spread back into the units of the data. The variance works. https://prepshorts.com/v/g11-maths-ch13-m03-t02/index.m3u8 767 2026-09-04 yes no no https://prepshorts.com/learn/class-11/maths/statistics/carrying-the-frequencies-through-for-discrete-and-for2026-09-30 https://prepshorts.com/poster/g11-maths-ch13-m03-t03-1280.cdeaaa343d.jpg Standard deviation for grouped data Class 11 Maths. A deviation column cannot begin until the mean has already been written out in full, and nothing guarantees that mean will be a tidy number. https://prepshorts.com/v/g11-maths-ch13-m03-t03/index.m3u8 978 2026-09-04 yes no no https://prepshorts.com/learn/class-11/maths/statistics/shifting-and-scaling-the-observations-to-make-the-arithmetic2026-09-30 https://prepshorts.com/poster/g11-maths-ch13-m03-t04-1280.ca01ecbd40.jpg Shifting and scaling to simplify the arithmetic NCERT Class 11 Maths, Chapter 13. Shifting and scaling the observations to make the arithmetic small. Write the step-deviation substitution and its inverse. https://prepshorts.com/v/g11-maths-ch13-m03-t04/index.m3u8 1156 2026-09-04 yes no no https://prepshorts.com/learn/class-11/maths/probability/every-description-of-a-happening-picks-out-a-part-of-the2026-09-30 https://prepshorts.com/poster/g11-maths-ch14-m01-t01-1280.2884922758.jpg Every event is a subset of the sample space NCERT Class 11 Maths, Chapter 14. Every description of a happening picks out a part of the outcome list. There are four things that can happen. https://prepshorts.com/v/g11-maths-ch14-m01-t01/index.m3u8 930 2026-09-04 yes no no https://prepshorts.com/learn/class-11/maths/probability/the-two-extreme-cases-and-the-difference-between-one-outcome2026-09-30 https://prepshorts.com/poster/g11-maths-ch14-m01-t02-1280.ab9fc140bd.jpg Simple, compound, sure and impossible events Class 11 Maths, Ch 14. The two extreme cases, and the difference between one outcome and many. Throw one die and ask for a face that is a multiple of seven. https://prepshorts.com/v/g11-maths-ch14-m01-t02/index.m3u8 1075 2026-09-04 yes no no https://prepshorts.com/learn/class-11/maths/probability/or-and-and-not-are-the-three-set-operations-under-new-names2026-09-30 https://prepshorts.com/poster/g11-maths-ch14-m02-t01-1280.b820f5e3e6.jpg "Or", "and" and "not" as set operations NCERT Class 11 Maths, Chapter 14. 'Or' has to mean one or the other or both, or the trade between English sentences and sets collapses. https://prepshorts.com/v/g11-maths-ch14-m02-t01/index.m3u8 1033 2026-09-04 yes no no https://prepshorts.com/learn/class-11/maths/probability/events-that-cannot-both-happen-and-events-that-between-them2026-09-30 https://prepshorts.com/poster/g11-maths-ch14-m02-t02-1280.84796f42de.jpg Mutually exclusive and exhaustive events NCERT Class 11 Maths, Chapter 14. Events that cannot both happen, and events that between them leave nothing out, sound like one condition stated twice. https://prepshorts.com/v/g11-maths-ch14-m02-t02/index.m3u8 1085 2026-09-04 yes no no https://prepshorts.com/learn/class-11/maths/probability/three-conditions-on-a-function-in-place-of-a-recipe-for2026-09-30 https://prepshorts.com/poster/g11-maths-ch14-m03-t01-1280.6a20c58845.jpg The three axioms of probability NCERT Class 11 Maths, Chapter 14. A coin admits infinitely many legitimate probability assignments, one for every number between 0 and 1. https://prepshorts.com/v/g11-maths-ch14-m03-t01/index.m3u8 1411 2026-09-04 yes no no https://prepshorts.com/learn/class-11/maths/probability/assuming-the-outcomes-are-equally-likely-recovers-the2026-09-30 https://prepshorts.com/poster/g11-maths-ch14-m03-t02-1280.3e04db6420.jpg Recovering the counting rule from the axioms NCERT Class 11 Maths, Chapter 14. Assuming the outcomes are equally likely recovers the counting rule. That is not a new rule. https://prepshorts.com/v/g11-maths-ch14-m03-t02/index.m3u8 994 2026-09-04 yes no no https://prepshorts.com/learn/class-11/maths/probability/adding-two-probabilities-double-counts-the-overlap-so-the2026-09-30 https://prepshorts.com/poster/g11-maths-ch14-m03-t03-1280.6d5d9d36d1.jpg The addition rule, and the overlap it removes NCERT Class 11 Maths, Chapter 14. Adding two probabilities double-counts the overlap, so the overlap comes back off. https://prepshorts.com/v/g11-maths-ch14-m03-t03/index.m3u8 1294 2026-09-04 yes no no https://prepshorts.com/learn/class-11/maths/probability/knowing-one-probability-hands-you-its-opposite-for-free2026-09-30 https://prepshorts.com/poster/g11-maths-ch14-m03-t04-1280.aea2851d24.jpg Knowing one probability hands you its opposite for free NCERT Class 11 Maths, Chapter 14. The rule is one line long, which is exactly why it is worth taking apart. The additive axiom is fussy. https://prepshorts.com/v/g11-maths-ch14-m03-t04/index.m3u8 1007 2026-09-04 yes no no https://prepshorts.com/learn/class-12/maths/relations-and-functions/a-relation-as-a-subset-of-a-product-set-and-the-two-extreme2026-09-30 https://prepshorts.com/poster/g12-maths-ch01-m01-t01-1280.84ca7a097e.jpg Relations as subsets of a Cartesian product NCERT Class 12 Maths, Chapter 1. A relation stops meaning anything and becomes a set of pairs you chose - and that is the gain, not the loss. https://prepshorts.com/v/g12-maths-ch01-m01-t01/index.m3u8 963 2026-09-12 yes no no https://prepshorts.com/learn/class-12/maths/relations-and-functions/reflexive-symmetric-and-transitive-as-three-demands-that-can2026-09-30 https://prepshorts.com/poster/g12-maths-ch01-m01-t02-1280.cab05265a9.jpg Reflexive, symmetric and transitive relations NCERT Class 12 Maths, Chapter 1. Reflexive, symmetric and transitive as three demands that can fail independently. https://prepshorts.com/v/g12-maths-ch01-m01-t02/index.m3u8 1047 2026-09-12 yes no no https://prepshorts.com/learn/class-12/maths/relations-and-functions/why-an-equivalence-relation-cuts-its-set-into-disjoint2026-09-30 https://prepshorts.com/poster/g12-maths-ch01-m01-t03-1280.5fe74cdeef.jpg Equivalence relations and equivalence classes NCERT Class 12 Maths, Chapter 1. Why an equivalence relation cuts its set into disjoint classes, and why the cut can be run backwards. https://prepshorts.com/v/g12-maths-ch01-m01-t03/index.m3u8 1072 2026-09-12 yes no no https://prepshorts.com/learn/class-12/maths/relations-and-functions/what-one-one-asks-of-distinct-inputs-and-what-many-one2026-09-30 https://prepshorts.com/poster/g12-maths-ch01-m02-t01-1280.16e19cad2f.jpg One-one and many-one functions NCERT Class 12 Maths, Chapter 1. Being one-one is a claim about collisions, and the same rule can have two different answers. https://prepshorts.com/v/g12-maths-ch01-m02-t01/index.m3u8 1199 2026-09-12 yes no no https://prepshorts.com/learn/class-12/maths/relations-and-functions/onto-as-the-demand-that-nothing-in-the-codomain-be-left2026-09-30 https://prepshorts.com/poster/g12-maths-ch01-m02-t02-1280.3e00a291c8.jpg Onto functions, and what surjective means NCERT Class 12 Maths, Chapter 1. Onto is not a property a rule has. It is a property a rule has with respect to two sets somebody chose. https://prepshorts.com/v/g12-maths-ch01-m02-t02/index.m3u8 1310 2026-09-12 yes no no https://prepshorts.com/learn/class-12/maths/relations-and-functions/bijections-and-why-on-a-finite-set-either-half-implies-the2026-09-30 https://prepshorts.com/poster/g12-maths-ch01-m02-t03-1280.04e3cd38f7.jpg Bijective functions on a finite set NCERT Class 12 Maths, Chapter 1. Bijections, and why on a finite set either half implies the other. One: no two different inputs share an output. https://prepshorts.com/v/g12-maths-ch01-m02-t03/index.m3u8 1283 2026-09-12 yes no no https://prepshorts.com/learn/class-12/maths/relations-and-functions/feeding-one-function-into-another-and-why-swapping-them2026-09-30 https://prepshorts.com/poster/g12-maths-ch01-m03-t01-1280.7d88d77370.jpg Composition of functions, and why order matters NCERT Class 12 Maths, Chapter 1. Feeding one function into another, and why swapping them changes the answer. That single machine is what this video is about. https://prepshorts.com/v/g12-maths-ch01-m03-t01/index.m3u8 1083 2026-09-12 yes no no https://prepshorts.com/learn/class-12/maths/relations-and-functions/invertibility-as-a-two-sided-undo-and-why-bijective-is2026-09-30 https://prepshorts.com/poster/g12-maths-ch01-m03-t02-1280.aaf29a0b96.jpg Invertible functions, and why bijective is the test NCERT Class 12 Maths, Chapter 1. Undoing a function is two equations, not one, and each of them buys exactly one property. https://prepshorts.com/v/g12-maths-ch01-m03-t02/index.m3u8 1184 2026-09-12 yes no no https://prepshorts.com/learn/class-12/maths/inverse-trigonometric-functions/why-none-of-the-six-ratios-has-an-inverse-on-its-natural2026-09-30 https://prepshorts.com/poster/g12-maths-ch02-m01-t01-1280.3d9a7285ed.jpg Why sine and cosine have no inverse as they stand NCERT Class 12 Maths, Chapter 2. Students are told the trigonometric ratios have no inverses, and most of them go looking for a value the sine never takes. https://prepshorts.com/v/g12-maths-ch02-m01-t01/index.m3u8 890 2026-09-12 yes no no https://prepshorts.com/learn/class-12/maths/inverse-trigonometric-functions/cutting-the-domain-down-until-the-function-is-one-one-and2026-09-30 https://prepshorts.com/poster/g12-maths-ch02-m01-t02-1280.a1ee6713d1.jpg Restricting the domain to get an inverse NCERT Class 12 Maths, Chapter 2. The six intervals the trigonometric ratios get cut down to look like six arbitrary conventions. They are not. https://prepshorts.com/v/g12-maths-ch02-m01-t02/index.m3u8 1028 2026-09-12 yes no no https://prepshorts.com/learn/class-12/maths/inverse-trigonometric-functions/the-six-principal-value-branches-and-the-table-that-fixes2026-09-30 https://prepshorts.com/poster/g12-maths-ch02-m01-t03-1280.cf25fc6986.jpg Principal value branches of the six inverses NCERT Class 12 Maths, Chapter 2. The six intervals the trigonometric ratios get cut down to look like six arbitrary conventions. They are not. https://prepshorts.com/v/g12-maths-ch02-m01-t03/index.m3u8 1249 2026-09-12 yes no no https://prepshorts.com/learn/class-12/maths/inverse-trigonometric-functions/reading-the-graph-of-an-inverse-off-the-original-by-swapping2026-09-30 https://prepshorts.com/poster/g12-maths-ch02-m01-t04-1280.c93313684d.jpg Graphs of inverse trigonometric functions NCERT Class 12 Maths, Chapter 2. Reading the graph of an inverse off the original by swapping the axes. Now the two things a dashed level is not. https://prepshorts.com/v/g12-maths-ch02-m01-t04/index.m3u8 1114 2026-09-12 yes no no https://prepshorts.com/learn/class-12/maths/inverse-trigonometric-functions/when-the-two-cancellation-rules-hold-and-the-angles-where2026-09-30 https://prepshorts.com/poster/g12-maths-ch02-m02-t01-1280.76bad99d23.jpg When sin(sin⁻¹x) = x, and when it does not NCERT Class 12 Maths, Chapter 2. Two statements about inverse trigonometric functions sit one line apart and look like mirror images of each other. https://prepshorts.com/v/g12-maths-ch02-m02-t01/index.m3u8 1202 2026-09-12 yes no no https://prepshorts.com/learn/class-12/maths/inverse-trigonometric-functions/substituting-an-angle-for-the-variable-to-collapse-a-messy2026-09-30 https://prepshorts.com/poster/g12-maths-ch02-m02-t02-1280.5e9b416d21.jpg Simplifying by substituting an angle NCERT Class 12 Maths, Chapter 2. Substituting an angle for the variable to collapse a messy expression. It is an angle waiting to be named. https://prepshorts.com/v/g12-maths-ch02-m02-t02/index.m3u8 1381 2026-09-12 yes no no https://prepshorts.com/learn/class-12/maths/matrices/an-ordered-rectangular-array-and-what-its-order-tells-you2026-09-30 https://prepshorts.com/poster/g12-maths-ch03-m01-t01-1280.b50ae7c614.jpg What a matrix is, and what its order tells you Class 12 Maths, Ch 3. The same six counts, poured into a three-by-two frame and into a two-by-three frame, hold the same data and are not the same object. https://prepshorts.com/v/g12-maths-ch03-m01-t01/index.m3u8 1147 2026-09-12 yes no no https://prepshorts.com/learn/class-12/maths/matrices/the-named-shapes-row-column-square-diagonal-scalar-identity2026-09-30 https://prepshorts.com/poster/g12-maths-ch03-m01-t02-1280.7fa88dcdf2.jpg Types of matrices: row, column, square, identity NCERT Class 12 Maths, Chapter 3. Seven names for seven kinds of matrix arrive as a flat list, and they are not flat. https://prepshorts.com/v/g12-maths-ch03-m01-t02/index.m3u8 1160 2026-09-12 yes no no https://prepshorts.com/learn/class-12/maths/matrices/equality-as-two-demands-and-why-the-orders-have-to-agree2026-09-30 https://prepshorts.com/poster/g12-maths-ch03-m01-t03-1280.26594d5ebd.jpg When two matrices are equal NCERT Class 12 Maths, Chapter 3. Two arrays holding exactly the same numbers, and they are not equal. The answer is no, and not by a narrow margin. https://prepshorts.com/v/g12-maths-ch03-m01-t03/index.m3u8 1347 2026-09-12 yes no no https://prepshorts.com/learn/class-12/maths/matrices/addition-and-scalar-multiplication-done-entry-by-entry-and2026-09-30 https://prepshorts.com/poster/g12-maths-ch03-m02-t01-1280.c8009cf45d.jpg Adding matrices, and multiplying by a scalar Class 12 Maths, Ch 3. Adding two matrices and scaling one are the same kind of rule - do one small thing at every position - and their domains are opposites. https://prepshorts.com/v/g12-maths-ch03-m02-t01/index.m3u8 1275 2026-09-12 yes no no https://prepshorts.com/learn/class-12/maths/matrices/the-laws-addition-and-scaling-obey-and-what-they-buy-you2026-09-30 https://prepshorts.com/poster/g12-maths-ch03-m02-t02-1280.84b140f616.jpg The laws addition and scaling obey, and what they buy you NCERT Class 12 Maths, Chapter 3. The laws addition and scaling obey, and what they buy you. Say which ordinary-number fact each matrix law rests on. https://prepshorts.com/v/g12-maths-ch03-m02-t02/index.m3u8 1276 2026-09-12 yes no no https://prepshorts.com/learn/class-12/maths/matrices/row-into-column-why-multiplication-needs-the-inner-orders-to2026-09-30 https://prepshorts.com/poster/g12-maths-ch03-m02-t03-1280.b4c087791e.jpg Matrix multiplication, row into column NCERT Class 12 Maths, Chapter 3. Two of the four numbers in a pair of orders meet in the middle, and two never meet anything. https://prepshorts.com/v/g12-maths-ch03-m02-t03/index.m3u8 1077 2026-09-12 yes no no https://prepshorts.com/learn/class-12/maths/matrices/what-multiplication-keeps-from-ordinary-algebra-and-the-two2026-09-30 https://prepshorts.com/poster/g12-maths-ch03-m02-t04-1280.eab579599d.jpg Why matrix multiplication is not commutative NCERT Class 12 Maths, Chapter 3. What multiplication keeps from ordinary algebra, and the two things it loses. https://prepshorts.com/v/g12-maths-ch03-m02-t04/index.m3u8 1165 2026-09-12 yes no no https://prepshorts.com/learn/class-12/maths/matrices/flipping-rows-into-columns-and-why-the-transpose-of-a2026-09-30 https://prepshorts.com/poster/g12-maths-ch03-m03-t01-1280.55a52e02d2.jpg Transpose of a matrix, and of a product NCERT Class 12 Maths, Chapter 3. Flipping rows into columns, and why the transpose of a product reverses it. THE WHOLE DEFINITION IS ONE SWAP. https://prepshorts.com/v/g12-maths-ch03-m03-t01/index.m3u8 1022 2026-09-12 yes no no https://prepshorts.com/learn/class-12/maths/matrices/symmetric-and-skew-symmetric-and-splitting-any-square-matrix2026-09-30 https://prepshorts.com/poster/g12-maths-ch03-m03-t02-1280.f7404c863a.jpg Symmetric and skew symmetric matrices NCERT Class 12 Maths, Chapter 3. Two conditions, one minus sign apart. Derive, rather than assert, that a skew symmetric matrix has zeros on its diagonal. https://prepshorts.com/v/g12-maths-ch03-m03-t02/index.m3u8 1078 2026-09-12 yes no no https://prepshorts.com/learn/class-12/maths/matrices/what-it-takes-to-be-an-inverse-and-why-there-can-only-ever2026-09-30 https://prepshorts.com/poster/g12-maths-ch03-m03-t03-1280.3422e65eb2.jpg Inverse of a matrix, and why it is unique NCERT Class 12 Maths, Chapter 3. The definition of an inverse asks for two products, not one - and that second demand is not tidiness. https://prepshorts.com/v/g12-maths-ch03-m03-t03/index.m3u8 1181 2026-09-12 yes no no https://prepshorts.com/learn/class-12/maths/determinants/why-only-square-arrays-get-this-number-and-what-it-settles2026-09-30 https://prepshorts.com/poster/g12-maths-ch04-m01-t01-1280.de2a269ae7.jpg What a determinant is, and what it decides Class 12 Maths. Two straight lines either cross once, never meet, or lie on top of each other - and four coefficients settle which, before you solve anything. https://prepshorts.com/v/g12-maths-ch04-m01-t01/index.m3u8 1035 2026-09-12 yes no no https://prepshorts.com/learn/class-12/maths/determinants/orders-one-two-and-three-and-expanding-along-a-chosen-row2026-09-30 https://prepshorts.com/poster/g12-maths-ch04-m01-t02-1280.a8f1ad905b.jpg Orders one, two and three, and expanding along a chosen row NCERT Class 12 Maths, Chapter 4. Order three is not a new formula. It is order two, used three times - and order two is order one, used twice. https://prepshorts.com/v/g12-maths-ch04-m01-t02/index.m3u8 1294 2026-09-12 yes no no https://prepshorts.com/learn/class-12/maths/determinants/area-of-a-triangle-from-its-vertices-and-why-three-collinear2026-09-30 https://prepshorts.com/poster/g12-maths-ch04-m01-t03-1280.e0a46af84d.jpg Area of a triangle from a determinant NCERT Class 12 Maths, Chapter 4. The area of a triangle from its three corners is an expression nobody remembers and an array anybody can. https://prepshorts.com/v/g12-maths-ch04-m01-t03/index.m3u8 1248 2026-09-12 yes no no https://prepshorts.com/learn/class-12/maths/determinants/deleting-a-row-and-a-column-minors-and-the-sign-that-turns2026-09-30 https://prepshorts.com/poster/g12-maths-ch04-m02-t01-1280.17b3b4ffa9.jpg Minors and cofactors of a determinant NCERT Class 12 Maths, Chapter 4. Nothing new is computed here. Say what the order of a minor is, given the order of the determinant it came from. https://prepshorts.com/v/g12-maths-ch04-m02-t01/index.m3u8 1294 2026-09-12 yes no no https://prepshorts.com/learn/class-12/maths/determinants/why-cofactors-borrowed-from-the-wrong-row-always-sum-to-zero2026-09-30 https://prepshorts.com/poster/g12-maths-ch04-m02-t02-1280.2874092b15.jpg Why alien cofactors sum to zero: determinants NCERT Class 12 Maths, Chapter 4. Pair a line's entries with its own cofactors and you get the determinant. THE MISMATCHED SUM. https://prepshorts.com/v/g12-maths-ch04-m02-t02/index.m3u8 1216 2026-09-12 yes no no https://prepshorts.com/learn/class-12/maths/determinants/building-the-adjoint-and-why-it-multiplies-back-to-a-scalar2026-09-30 https://prepshorts.com/poster/g12-maths-ch04-m02-t03-1280.a2cbcb59db.jpg The adjoint of a matrix, and A(adj A) = |A|I Class 12 Maths, Ch 4. The adjoint looks like an arbitrary recipe: replace every entry by its cofactor, then flip the whole array about its main diagonal. https://prepshorts.com/v/g12-maths-ch04-m02-t03/index.m3u8 1048 2026-09-12 yes no no https://prepshorts.com/learn/class-12/maths/determinants/singular-against-non-singular-and-the-one-test-an-inverse2026-09-30 https://prepshorts.com/poster/g12-maths-ch04-m02-t04-1280.b6f25a5bde.jpg Singular and non-singular matrices NCERT Class 12 Maths, Chapter 4. Singular against non-singular, and the one test an inverse has to pass. ONE NUMBER, AND NO THIRD CASE. https://prepshorts.com/v/g12-maths-ch04-m02-t04/index.m3u8 1164 2026-09-12 yes no no https://prepshorts.com/learn/class-12/maths/determinants/packing-three-equations-into-ax-b-and-reading-the-solution2026-09-30 https://prepshorts.com/poster/g12-maths-ch04-m03-t01-1280.3e62489f70.jpg Solving a linear system by matrix inverse NCERT Class 12 Maths, Chapter 4. Three equations in three unknowns become one equation in one unknown the moment the unknown is allowed to be a column. https://prepshorts.com/v/g12-maths-ch04-m03-t01/index.m3u8 1160 2026-09-12 yes no no https://prepshorts.com/learn/class-12/maths/determinants/consistent-or-inconsistent-what-a-vanishing-determinant-does2026-09-30 https://prepshorts.com/poster/g12-maths-ch04-m03-t02-1280.e4472b3c15.jpg Consistent and inconsistent linear systems NCERT Class 12 Maths, Chapter 4. A vanishing determinant is not a verdict. It is the loss of a tool. A ZERO THAT DECIDES LESS THAN IT LOOKS LIKE IT DECIDES. https://prepshorts.com/v/g12-maths-ch04-m03-t02/index.m3u8 1005 2026-09-12 yes no no https://prepshorts.com/learn/class-12/maths/continuity-and-differentiability/a-function-is-continuous-where-its-limit-and-its-value-agree2026-09-30 https://prepshorts.com/poster/g12-maths-ch05-m01-t01-1280.056878ec90.jpg A function is continuous where its limit and its value agree NCERT Class 12 Maths, Chapter 5. A function is continuous where its limit and its value agree. ONE EQUATION, THREE DEMANDS. https://prepshorts.com/v/g12-maths-ch05-m01-t01/index.m3u8 969 2026-09-12 yes no no https://prepshorts.com/learn/class-12/maths/continuity-and-differentiability/where-the-standard-functions-stay-unbroken-and-where-they2026-09-30 https://prepshorts.com/poster/g12-maths-ch05-m01-t02-1280.ae0ac82265.jpg Continuity of the standard functions NCERT Class 12 Maths, Chapter 5. Where the standard functions stay unbroken, and where they jump. THE WORKING METHOD IS SUBSTITUTION, AND THAT IS THE PROBLEM. https://prepshorts.com/v/g12-maths-ch05-m01-t02/index.m3u8 946 2026-09-12 yes no no https://prepshorts.com/learn/class-12/maths/continuity-and-differentiability/combining-continuous-functions-and-why-a-composite-survives2026-09-30 https://prepshorts.com/poster/g12-maths-ch05-m01-t03-1280.18c389700c.jpg Algebra of continuous functions, and composites NCERT Class 12 Maths, Chapter 5. Combining continuous functions, and why a composite survives too. AN ARGUMENT FOR WHY, NOT A PROOF OF WHAT. https://prepshorts.com/v/g12-maths-ch05-m01-t03/index.m3u8 912 2026-09-12 yes no no https://prepshorts.com/learn/class-12/maths/continuity-and-differentiability/differentiability-and-why-it-forces-continuity-while-the2026-09-30 https://prepshorts.com/poster/g12-maths-ch05-m02-t01-1280.d0218e3b09.jpg Differentiability, and why it implies continuity NCERT Class 12 Maths, Chapter 5. Differentiability, and why it forces continuity while the reverse fails. TWO HALVES THAT FAIL SEPARATELY. https://prepshorts.com/v/g12-maths-ch05-m02-t01/index.m3u8 955 2026-09-12 yes no no https://prepshorts.com/learn/class-12/maths/continuity-and-differentiability/the-chain-rule-and-differentiating-a-relation-without-first2026-09-30 https://prepshorts.com/poster/g12-maths-ch05-m02-t02-1280.311a5840e6.jpg The chain rule, and implicit differentiation NCERT Class 12 Maths, Chapter 5. The chain rule, and differentiating a relation without first solving it for y. https://prepshorts.com/v/g12-maths-ch05-m02-t02/index.m3u8 1115 2026-09-12 yes no no https://prepshorts.com/learn/class-12/maths/continuity-and-differentiability/getting-the-derivatives-of-the-inverse-trigonometric2026-09-30 https://prepshorts.com/poster/g12-maths-ch05-m02-t03-1280.445840faf2.jpg Derivatives of inverse trigonometric functions NCERT Class 12 Maths, Chapter 5. Getting the derivatives of the inverse trigonometric functions. THE SIGN IS NOT A CONVENTION, IT IS A CONSEQUENCE. https://prepshorts.com/v/g12-maths-ch05-m02-t03/index.m3u8 1166 2026-09-12 yes no no https://prepshorts.com/learn/class-12/maths/continuity-and-differentiability/exponential-and-logarithmic-functions-and-the-two2026-09-30 https://prepshorts.com/poster/g12-maths-ch05-m03-t01-1280.793e919dc5.jpg Derivatives of the exponential and the logarithm NCERT Class 12 Maths, Chapter 5. Exponential and logarithmic functions, and the two derivatives that make them worth having. https://prepshorts.com/v/g12-maths-ch05-m03-t01/index.m3u8 1526 2026-09-12 yes no no https://prepshorts.com/learn/class-12/maths/continuity-and-differentiability/taking-logarithms-first-when-the-base-and-the-power-both2026-09-30 https://prepshorts.com/poster/g12-maths-ch05-m03-t02-1280.42440a3088.jpg Logarithmic differentiation NCERT Class 12 Maths, Chapter 5. Taking logarithms first, when the base and the power both vary. NOTHING NEW IS BEING DIFFERENTIATED HERE. https://prepshorts.com/v/g12-maths-ch05-m03-t02/index.m3u8 1460 2026-09-12 yes no no https://prepshorts.com/learn/class-12/maths/continuity-and-differentiability/curves-given-through-a-parameter-and-the-derivative2026-09-30 https://prepshorts.com/poster/g12-maths-ch05-m03-t03-1280.81f7c1482b.jpg Derivatives of functions in parametric form NCERT Class 12 Maths, Chapter 5. Curves given through a parameter, and the derivative recovered by the chain rule. https://prepshorts.com/v/g12-maths-ch05-m03-t03/index.m3u8 1486 2026-09-12 yes no no https://prepshorts.com/learn/class-12/maths/continuity-and-differentiability/differentiating-twice-and-what-the-second-derivative-is-for2026-09-30 https://prepshorts.com/poster/g12-maths-ch05-m03-t04-1280.0fca28650a.jpg Differentiating twice, and what the second derivative is for NCERT Class 12 Maths, Chapter 5. Differentiating twice, and what the second derivative is for. You will meet the function with two dashes after its name. https://prepshorts.com/v/g12-maths-ch05-m03-t04/index.m3u8 2151 2026-09-12 yes no no https://prepshorts.com/learn/class-12/maths/application-of-derivatives/reading-a-derivative-as-how-fast-one-quantity-answers2026-09-30 https://prepshorts.com/poster/g12-maths-ch06-m01-t01-1280.6cc16f857a.jpg The derivative as a rate of change NCERT Class 12 Maths, Chapter 6. Reading a derivative as how fast one quantity answers another. NOTHING NEW IS DEFINED IN THIS TOPIC. https://prepshorts.com/v/g12-maths-ch06-m01-t01/index.m3u8 1513 2026-09-12 yes no no https://prepshorts.com/learn/class-12/maths/application-of-derivatives/two-quantities-both-changing-with-time-and-the-chain-rule2026-09-30 https://prepshorts.com/poster/g12-maths-ch06-m01-t02-1280.0dc6a7c038.jpg Related rates, linked by the chain rule NCERT Class 12 Maths, Chapter 6. Two quantities both changing with time, and the chain rule that links their rates. https://prepshorts.com/v/g12-maths-ch06-m01-t02/index.m3u8 1364 2026-09-12 yes no no https://prepshorts.com/learn/class-12/maths/application-of-derivatives/what-increasing-and-decreasing-mean-on-an-interval-before2026-09-30 https://prepshorts.com/poster/g12-maths-ch06-m02-t01-1280.8dbe2b3bfc.jpg Increasing and decreasing functions NCERT Class 12 Maths, Chapter 6. What increasing and decreasing mean on an interval, before any calculus. Here is a curve you have known for years. https://prepshorts.com/v/g12-maths-ch06-m02-t01/index.m3u8 1108 2026-09-12 yes no no https://prepshorts.com/learn/class-12/maths/application-of-derivatives/using-the-sign-of-the-derivative-to-split-the-line-into2026-09-30 https://prepshorts.com/poster/g12-maths-ch06-m02-t02-1280.bfb030050d.jpg Finding intervals where a function rises or falls NCERT Class 12 Maths, Chapter 6. Using the sign of the derivative to split the line into rising and falling intervals. https://prepshorts.com/v/g12-maths-ch06-m02-t02/index.m3u8 1165 2026-09-12 yes no no https://prepshorts.com/learn/class-12/maths/application-of-derivatives/local-maxima-and-minima-and-why-critical-points-include-the2026-09-30 https://prepshorts.com/poster/g12-maths-ch06-m03-t01-1280.553a1338a2.jpg Local maxima and minima, and critical points NCERT Class 12 Maths, Chapter 6. Local maxima and minima, and why critical points include the non-differentiable ones. https://prepshorts.com/v/g12-maths-ch06-m03-t01/index.m3u8 1261 2026-09-12 yes no no https://prepshorts.com/learn/class-12/maths/application-of-derivatives/a-sign-change-either-side-of-a-critical-point-decides-which2026-09-30 https://prepshorts.com/poster/g12-maths-ch06-m03-t02-1280.70283baa09.jpg The first derivative test NCERT Class 12 Maths, Chapter 6. A sign change either side of a critical point decides which kind it is. The word doing the work is THROUGHOUT. https://prepshorts.com/v/g12-maths-ch06-m03-t02/index.m3u8 1246 2026-09-12 yes no no https://prepshorts.com/learn/class-12/maths/application-of-derivatives/the-quicker-second-derivative-test-and-the-case-where-it2026-09-30 https://prepshorts.com/poster/g12-maths-ch06-m03-t03-1280.5ff0108e83.jpg The second derivative test, and when it fails NCERT Class 12 Maths, Chapter 6. The quicker second-derivative test, and the case where it tells you nothing. There is a shorter way, and it costs one number. https://prepshorts.com/v/g12-maths-ch06-m03-t03/index.m3u8 1070 2026-09-12 yes no no https://prepshorts.com/learn/class-12/maths/application-of-derivatives/largest-and-smallest-over-a-closed-interval-candidates2026-09-30 https://prepshorts.com/poster/g12-maths-ch06-m03-t04-1280.125258e062.jpg Absolute maximum and minimum on a closed interval NCERT Class 12 Maths, Chapter 6. Largest and smallest over a closed interval: candidates inside plus the two ends. https://prepshorts.com/v/g12-maths-ch06-m03-t04/index.m3u8 1188 2026-09-12 yes no no https://prepshorts.com/learn/class-12/maths/application-of-derivatives/turning-a-stated-problem-into-one-function-of-one-variable2026-09-30 https://prepshorts.com/poster/g12-maths-ch06-m03-t05-1280.572c012eb6.jpg Setting up a maxima and minima word problem NCERT Class 12 Maths, Chapter 6. Turning a stated problem into one function of one variable to optimise. The explanation spends itself on the first three. https://prepshorts.com/v/g12-maths-ch06-m03-t05/index.m3u8 1273 2026-09-12 yes no no https://prepshorts.com/learn/class-12/maths/integrals/asking-which-function-had-this-derivative-and-why-the-answer2026-09-30 https://prepshorts.com/poster/g12-maths-ch07-m01-t01-1280.70163e166e.jpg Integration as the inverse of differentiation NCERT Class 12 Maths, Chapter 7. Asking which function had this derivative, and why the answer is a whole family. https://prepshorts.com/v/g12-maths-ch07-m01-t01/index.m3u8 1202 2026-09-12 yes no no https://prepshorts.com/learn/class-12/maths/integrals/reading-the-table-of-standard-integrals-off-the-table-of2026-09-30 https://prepshorts.com/poster/g12-maths-ch07-m01-t02-1280.bf5f8a0618.jpg The table of standard integrals NCERT Class 12 Maths, Chapter 7. Reading the table of standard integrals off the table of derivatives. NOTHING ON THE LIST OF STANDARD INTEGRALS IS NEW. https://prepshorts.com/v/g12-maths-ch07-m01-t02/index.m3u8 1219 2026-09-12 yes no no https://prepshorts.com/learn/class-12/maths/integrals/the-two-properties-that-let-an-integral-be-broken-apart-and2026-09-30 https://prepshorts.com/poster/g12-maths-ch07-m01-t03-1280.0b60a419e2.jpg Properties of the indefinite integral NCERT Class 12 Maths, Chapter 7. The two properties that let an integral be broken apart and rescaled. So the second statement has work to do. https://prepshorts.com/v/g12-maths-ch07-m01-t03/index.m3u8 988 2026-09-12 yes no no https://prepshorts.com/learn/class-12/maths/integrals/changing-the-variable-until-what-is-left-is-a-standard-form2026-09-30 https://prepshorts.com/poster/g12-maths-ch07-m02-t01-1280.f976025bb5.jpg Changing the variable until what is left is a standard form NCERT Class 12 Maths, Chapter 7. Changing the variable until what is left is a standard form. THE CHANGE OF VARIABLE IS MEASURED HERE, NOT QUOTED. https://prepshorts.com/v/g12-maths-ch07-m02-t01/index.m3u8 1194 2026-09-12 yes no no https://prepshorts.com/learn/class-12/maths/integrals/rewriting-a-product-of-trigonometric-ratios-into-terms-you2026-09-30 https://prepshorts.com/poster/g12-maths-ch07-m02-t02-1280.3404d94e29.jpg Integrating products of trigonometric functions NCERT Class 12 Maths, Chapter 7. Rewriting a product of trigonometric ratios into terms you can already integrate. https://prepshorts.com/v/g12-maths-ch07-m02-t02/index.m3u8 1120 2026-09-12 yes no no https://prepshorts.com/learn/class-12/maths/integrals/six-formulas-for-quadratic-denominators-and-completing-the2026-09-30 https://prepshorts.com/poster/g12-maths-ch07-m02-t03-1280.4196d19fe0.jpg Integrals with a quadratic in the denominator NCERT Class 12 Maths, Chapter 7. Six formulas for quadratic denominators, and completing the square to reach them. https://prepshorts.com/v/g12-maths-ch07-m02-t03/index.m3u8 1044 2026-09-12 yes no no https://prepshorts.com/learn/class-12/maths/integrals/breaking-a-proper-rational-function-into-pieces-with-simple2026-09-30 https://prepshorts.com/poster/g12-maths-ch07-m02-t04-1280.c6f973a0d9.jpg Integration by partial fractions NCERT Class 12 Maths, Chapter 7. Breaking a proper rational function into pieces with simple denominators. Three kinds of term, out of one decomposition. https://prepshorts.com/v/g12-maths-ch07-m02-t04/index.m3u8 1157 2026-09-12 yes no no https://prepshorts.com/learn/class-12/maths/integrals/integrating-a-product-and-how-the-choice-of-first-function2026-09-30 https://prepshorts.com/poster/g12-maths-ch07-m02-t05-1280.57a12181d7.jpg Integration by parts, and choosing the first function NCERT Class 12 Maths, Chapter 7. Integrating a product, and how the choice of first function decides whether it helps. https://prepshorts.com/v/g12-maths-ch07-m02-t05/index.m3u8 1492 2026-09-12 yes no no https://prepshorts.com/learn/class-12/maths/integrals/two-shapes-worth-spotting-the-exponential-pair-and-the-three2026-09-30 https://prepshorts.com/poster/g12-maths-ch07-m02-t06-1280.c40d5d23cf.jpg Two special integral forms worth recognising NCERT Class 12 Maths, Chapter 7. Two shapes worth spotting: the exponential pair, and the three surd forms. That changes what you practise. https://prepshorts.com/v/g12-maths-ch07-m02-t06/index.m3u8 1326 2026-09-12 yes no no https://prepshorts.com/learn/class-12/maths/integrals/adding-two-limits-turns-a-family-of-functions-into-a-single2026-09-30 https://prepshorts.com/poster/g12-maths-ch07-m03-t01-1280.e3715f0eb0.jpg The definite integral, and what the limits do NCERT Class 12 Maths, Chapter 7. Adding two limits turns a family of functions into a single number. Name the two attached numbers as the chapter names them. https://prepshorts.com/v/g12-maths-ch07-m03-t01/index.m3u8 1355 2026-09-12 yes no no https://prepshorts.com/learn/class-12/maths/integrals/the-area-function-and-the-two-theorems-that-tie-area-to2026-09-30 https://prepshorts.com/poster/g12-maths-ch07-m03-t02-1280.473bc81897.jpg The fundamental theorem of calculus NCERT Class 12 Maths, Chapter 7. The area function, and the two theorems that tie area to antiderivative. First, what the number actually measures. https://prepshorts.com/v/g12-maths-ch07-m03-t02/index.m3u8 1078 2026-09-12 yes no no https://prepshorts.com/learn/class-12/maths/integrals/substituting-inside-a-definite-integral-and-why-the-limits2026-09-30 https://prepshorts.com/poster/g12-maths-ch07-m03-t03-1280.478ddb5301.jpg Substitution in a definite integral NCERT Class 12 Maths, Chapter 7. Substituting inside a definite integral, and why the limits have to move with it. https://prepshorts.com/v/g12-maths-ch07-m03-t03/index.m3u8 924 2026-09-12 yes no no https://prepshorts.com/learn/class-12/maths/integrals/properties-of-the-definite-integral-and-using-symmetry-to2026-09-30 https://prepshorts.com/poster/g12-maths-ch07-m03-t04-1280.8ac0ea9e14.jpg Properties of definite integrals, and symmetry NCERT Class 12 Maths, Chapter 7. Properties of the definite integral, and using symmetry to kill half the work. https://prepshorts.com/v/g12-maths-ch07-m03-t04/index.m3u8 1315 2026-09-12 yes no no https://prepshorts.com/learn/class-12/maths/application-of-integrals/slicing-a-region-into-thin-strips-and-adding-the-strips-with2026-09-30 https://prepshorts.com/poster/g12-maths-ch08-m01-t01-1280.3acdc88f45.jpg Area under a curve, by integration NCERT Class 12 Maths, Chapter 8. Slicing a region into thin strips, and adding the strips with an integral. Written as one line it reads as one fact. https://prepshorts.com/v/g12-maths-ch08-m01-t01/index.m3u8 1444 2026-09-12 yes no no https://prepshorts.com/learn/class-12/maths/application-of-integrals/choosing-vertical-or-horizontal-strips-and-integrating-in2026-09-30 https://prepshorts.com/poster/g12-maths-ch08-m01-t02-1280.4eebe16e95.jpg Choosing vertical or horizontal strips for area NCERT Class 12 Maths, Chapter 8. Choosing vertical or horizontal strips, and integrating in the matching variable. https://prepshorts.com/v/g12-maths-ch08-m01-t02/index.m3u8 1376 2026-09-12 yes no no https://prepshorts.com/learn/class-12/maths/application-of-integrals/regions-below-the-axis-and-why-the-sign-has-to-be-discarded2026-09-30 https://prepshorts.com/poster/g12-maths-ch08-m01-t03-1280.2ccd8e3b83.jpg Area when the curve dips below the x-axis NCERT Class 12 Maths, Chapter 8. Regions below the axis, and why the sign has to be discarded before adding. AN AREA IS A SIZE. https://prepshorts.com/v/g12-maths-ch08-m01-t03/index.m3u8 1347 2026-09-12 yes no no https://prepshorts.com/learn/class-12/maths/application-of-integrals/recovering-the-areas-of-a-circle-and-an-ellipse-by2026-09-30 https://prepshorts.com/poster/g12-maths-ch08-m02-t01-1280.610a638139.jpg Area of a circle and an ellipse by integration NCERT Class 12 Maths, Chapter 8. Recovering the areas of a circle and an ellipse by integration, using their own symmetry. https://prepshorts.com/v/g12-maths-ch08-m02-t01/index.m3u8 1276 2026-09-12 yes no no https://prepshorts.com/learn/class-12/maths/differential-equations/what-makes-an-equation-differential-and-why-the-answer-is-a2026-09-30 https://prepshorts.com/poster/g12-maths-ch09-m01-t01-1280.65540ee72c.jpg What a differential equation is NCERT Class 12 Maths, Chapter 9. What makes an equation differential, and why the answer is a curve not a number. https://prepshorts.com/v/g12-maths-ch09-m01-t01/index.m3u8 959 2026-09-12 yes no no https://prepshorts.com/learn/class-12/maths/differential-equations/order-and-degree-and-the-polynomial-condition-degree-needs2026-09-30 https://prepshorts.com/poster/g12-maths-ch09-m01-t02-1280.461d62f102.jpg Order and degree of a differential equation NCERT Class 12 Maths, Chapter 9. Order and degree, and the polynomial condition degree needs before it means anything. https://prepshorts.com/v/g12-maths-ch09-m01-t02/index.m3u8 907 2026-09-12 yes no no https://prepshorts.com/learn/class-12/maths/differential-equations/general-against-particular-why-the-arbitrary-constants-are2026-09-30 https://prepshorts.com/poster/g12-maths-ch09-m02-t01-1280.00b0ee2104.jpg General and particular solutions NCERT Class 12 Maths, Chapter 9. General against particular: why the arbitrary constants are counted by the order. https://prepshorts.com/v/g12-maths-ch09-m02-t01/index.m3u8 979 2026-09-12 yes no no https://prepshorts.com/learn/class-12/maths/differential-equations/pushing-all-the-y-s-one-side-and-all-the-x-s-the-other-then2026-09-30 https://prepshorts.com/poster/g12-maths-ch09-m03-t01-1280.f8ada24eeb.jpg Solving by separating the variables NCERT Class 12 Maths, Chapter 9. Pushing all the y's one side and all the x's the other, then integrating. SEPARABILITY IS DECIDED HERE, NOT RECOGNISED. https://prepshorts.com/v/g12-maths-ch09-m03-t01/index.m3u8 1166 2026-09-12 yes no no https://prepshorts.com/learn/class-12/maths/differential-equations/homogeneous-equations-and-the-substitution-that-separates2026-09-30 https://prepshorts.com/poster/g12-maths-ch09-m03-t02-1280.b23643a27d.jpg Homogeneous differential equations NCERT Class 12 Maths, Chapter 9. Homogeneous equations, and the substitution that separates the variables for you. https://prepshorts.com/v/g12-maths-ch09-m03-t02/index.m3u8 979 2026-09-12 yes no no https://prepshorts.com/learn/class-12/maths/differential-equations/multiplying-through-by-an-integrating-factor-to-make-the2026-09-30 https://prepshorts.com/poster/g12-maths-ch09-m03-t03-1280.463836342b.jpg Linear equations, and the integrating factor NCERT Class 12 Maths, Chapter 9. Multiplying through by an integrating factor to make the left side a single derivative. https://prepshorts.com/v/g12-maths-ch09-m03-t03/index.m3u8 1174 2026-09-12 yes no no https://prepshorts.com/learn/class-12/maths/differential-equations/the-mirror-image-form-where-x-is-treated-as-the-dependent2026-09-30 https://prepshorts.com/poster/g12-maths-ch09-m03-t04-1280.ef86d74014.jpg When x is the dependent variable NCERT Class 12 Maths, Chapter 9. The mirror-image form, where x is treated as the dependent variable. THE RECIPROCAL IS MEASURED, NOT ASSUMED. https://prepshorts.com/v/g12-maths-ch09-m03-t04/index.m3u8 1175 2026-09-12 yes no no https://prepshorts.com/learn/class-12/maths/vector-algebra/why-some-measurements-need-a-direction-attached-and-others2026-09-30 https://prepshorts.com/poster/g12-maths-ch10-m01-t01-1280.fb450937a8.jpg Scalars and vectors, and what tells them apart NCERT Class 12 Maths, Chapter 10. Why some measurements need a direction attached and others do not. THE SPLIT IS BUILT, NOT CLASSIFIED. https://prepshorts.com/v/g12-maths-ch10-m01-t01/index.m3u8 1154 2026-09-12 yes no no https://prepshorts.com/learn/class-12/maths/vector-algebra/magnitude-the-three-angles-with-the-axes-and-the-cosines-and2026-09-30 https://prepshorts.com/poster/g12-maths-ch10-m01-t02-1280.5ebf7e94d0.jpg Magnitude, direction cosines and direction ratios NCERT Class 12 Maths, Chapter 10. Magnitude, the three angles with the axes, and the cosines and ratios they give. https://prepshorts.com/v/g12-maths-ch10-m01-t02/index.m3u8 987 2026-09-12 yes no no https://prepshorts.com/learn/class-12/maths/vector-algebra/the-named-kinds-zero-unit-coinitial-collinear-equal-negative2026-09-30 https://prepshorts.com/poster/g12-maths-ch10-m01-t03-1280.77c4cee749.jpg Types of vectors: zero, unit, collinear, equal NCERT Class 12 Maths, Chapter 10. The named kinds — zero, unit, coinitial, collinear, equal, negative and free. https://prepshorts.com/v/g12-maths-ch10-m01-t03/index.m3u8 1240 2026-09-12 yes no no https://prepshorts.com/learn/class-12/maths/vector-algebra/two-laws-for-adding-why-they-agree-and-what-addition-obeys2026-09-30 https://prepshorts.com/poster/g12-maths-ch10-m02-t01-1280.d6e9577569.jpg Triangle and parallelogram laws of vector addition NCERT Class 12 Maths, Chapter 10. Two laws for adding, why they agree, and what addition obeys. Say what the associativity Remark licenses in notation. https://prepshorts.com/v/g12-maths-ch10-m02-t01/index.m3u8 1144 2026-09-12 yes no no https://prepshorts.com/learn/class-12/maths/vector-algebra/stretching-by-a-scalar-and-dividing-a-vector-by-its-own2026-09-30 https://prepshorts.com/poster/g12-maths-ch10-m02-t02-1280.f5156eea94.jpg Multiplying a vector by a scalar, and unit vectors NCERT Class 12 Maths, Chapter 10. Stretching by a scalar, and dividing a vector by its own length. Four things asserted. One thing derived. https://prepshorts.com/v/g12-maths-ch10-m02-t02/index.m3u8 1393 2026-09-12 yes no no https://prepshorts.com/learn/class-12/maths/vector-algebra/splitting-a-vector-along-the-axes-so-the-algebra-becomes2026-09-30 https://prepshorts.com/poster/g12-maths-ch10-m02-t03-1280.5086bed7cd.jpg Components of a vector along the axes NCERT Class 12 Maths, Chapter 10. Splitting a vector along the axes so the algebra becomes coordinate arithmetic. https://prepshorts.com/v/g12-maths-ch10-m02-t03/index.m3u8 1309 2026-09-12 yes no no https://prepshorts.com/learn/class-12/maths/vector-algebra/position-vectors-the-vector-joining-two-points-and-dividing2026-09-30 https://prepshorts.com/poster/g12-maths-ch10-m02-t04-1280.48c332a4f6.jpg Position vectors, and the section formula NCERT Class 12 Maths, Chapter 10. Position vectors, the vector joining two points, and dividing a segment in a ratio. https://prepshorts.com/v/g12-maths-ch10-m02-t04/index.m3u8 1230 2026-09-12 yes no no https://prepshorts.com/learn/class-12/maths/vector-algebra/a-product-that-returns-a-number-and-the-angle-you-can2026-09-30 https://prepshorts.com/poster/g12-maths-ch10-m03-t01-1280.aa70dd44e4.jpg The scalar (dot) product, and the angle it gives NCERT Class 12 Maths, Chapter 10. A product that returns a number, and the angle you can extract from it. Now the case the definition cannot reach. https://prepshorts.com/v/g12-maths-ch10-m03-t01/index.m3u8 1591 2026-09-12 yes no no https://prepshorts.com/learn/class-12/maths/vector-algebra/projection-how-much-of-one-vector-points-along-another2026-09-30 https://prepshorts.com/poster/g12-maths-ch10-m03-t02-1280.7ad27501a0.jpg Projection: how much of one vector points along another NCERT Class 12 Maths, Chapter 10. Projection: how much of one vector points along another. Compute a projection of one vector on another given in components. https://prepshorts.com/v/g12-maths-ch10-m03-t02/index.m3u8 994 2026-09-12 yes no no https://prepshorts.com/learn/class-12/maths/vector-algebra/a-product-that-returns-a-vector-where-it-points-and-the-area2026-09-30 https://prepshorts.com/poster/g12-maths-ch10-m03-t03-1280.a887b9c48c.jpg The vector (cross) product, and the area it gives NCERT Class 12 Maths, Chapter 10. A product that returns a vector, where it points, and the area it measures. Compute an area from three named points. https://prepshorts.com/v/g12-maths-ch10-m03-t03/index.m3u8 1584 2026-09-12 yes no no https://prepshorts.com/learn/class-12/maths/three-dimensional-geometry/three-angles-with-the-axes-and-why-their-cosines-square-up2026-09-30 https://prepshorts.com/poster/g12-maths-ch11-m01-t01-1280.658ffc7cf5.jpg Direction cosines, and why their squares sum to 1 NCERT Class 12 Maths, Chapter 11. Three angles with the axes, and why their cosines square up to one. Which leaves a small bookkeeping question. https://prepshorts.com/v/g12-maths-ch11-m01-t01/index.m3u8 1122 2026-09-12 yes no no https://prepshorts.com/learn/class-12/maths/three-dimensional-geometry/direction-ratios-as-any-proportional-triple-and-normalising2026-09-30 https://prepshorts.com/poster/g12-maths-ch11-m01-t02-1280.d266ce472a.jpg Direction ratios, and converting to cosines NCERT Class 12 Maths, Chapter 11. Direction ratios as any proportional triple, and normalising back to cosines. https://prepshorts.com/v/g12-maths-ch11-m01-t02/index.m3u8 934 2026-09-12 yes no no https://prepshorts.com/learn/class-12/maths/three-dimensional-geometry/one-point-plus-one-direction-fixes-a-line-in-vector-form-and2026-09-30 https://prepshorts.com/poster/g12-maths-ch11-m02-t01-1280.e7917b80cd.jpg Equation of a line in vector and Cartesian form NCERT Class 12 Maths, Chapter 11. One point plus one direction fixes a line, in vector form and in the symmetric Cartesian form the parameter eliminates to. https://prepshorts.com/v/g12-maths-ch11-m02-t01/index.m3u8 1221 2026-09-12 yes no no https://prepshorts.com/learn/class-12/maths/three-dimensional-geometry/the-angle-between-two-lines-from-cosines-or-from-ratios2026-09-30 https://prepshorts.com/poster/g12-maths-ch11-m03-t01-1280.2e115ae7f6.jpg Angle between two lines in 3D: the formula explained NCERT Class 12 Maths, Chapter 11. The angle between two lines, from cosines or from ratios. So what is the angle between them? https://prepshorts.com/v/g12-maths-ch11-m03-t01/index.m3u8 1012 2026-09-12 yes no no https://prepshorts.com/learn/class-12/maths/three-dimensional-geometry/skew-lines-what-shortest-distance-can-mean-when-two-lines2026-09-30 https://prepshorts.com/poster/g12-maths-ch11-m03-t02-1280.ca9793c3d7.jpg Shortest distance between skew and parallel lines NCERT Class 12 Maths, Ch 11. Skew lines, what shortest distance can mean when two lines never meet, and computing it in both the skew and parallel cases. https://prepshorts.com/v/g12-maths-ch11-m03-t02/index.m3u8 1766 2026-09-12 yes no no https://prepshorts.com/learn/class-12/maths/linear-programming/optimisation-and-the-linearity-that-makes-this-class2026-09-30 https://prepshorts.com/poster/g12-maths-ch12-m01-t01-1280.e801e10181.jpg What a linear programming problem is NCERT Class 12 Maths, Chapter 12. Optimisation and the linearity that makes this class tractable, and how a stated situation becomes decision variables… https://prepshorts.com/v/g12-maths-ch12-m01-t01/index.m3u8 1405 2026-09-12 yes no no https://prepshorts.com/learn/class-12/maths/linear-programming/the-feasible-region-as-the-overlap-of-the-half-planes-the2026-09-30 https://prepshorts.com/poster/g12-maths-ch12-m02-t01-1280.b42d539407.jpg The feasible region, from the constraints NCERT Class 12 Maths, Chapter 12. The feasible region as the overlap of the half planes the constraints allow. https://prepshorts.com/v/g12-maths-ch12-m02-t01/index.m3u8 1353 2026-09-12 yes no no https://prepshorts.com/learn/class-12/maths/linear-programming/why-an-optimum-if-there-is-one-has-to-sit-at-a-corner2026-09-30 https://prepshorts.com/poster/g12-maths-ch12-m02-t02-1280.1bf9350564.jpg Linear programming: why the optimum is at a corner NCERT Class 12 Maths, Chapter 12. Why an optimum, if there is one, has to sit at a corner. Identify, from the algebra alone, when a tie is going to happen. https://prepshorts.com/v/g12-maths-ch12-m02-t02/index.m3u8 1023 2026-09-12 yes no no https://prepshorts.com/learn/class-12/maths/linear-programming/testing-every-corner-and-the-extra-check-an-unbounded-region2026-09-30 https://prepshorts.com/poster/g12-maths-ch12-m02-t03-1280.d79d14eeaa.jpg The corner point method, and unbounded regions NCERT Class 12 Maths, Chapter 12. Testing every corner, and the extra check an unbounded region forces. Find the region and its corners. https://prepshorts.com/v/g12-maths-ch12-m02-t03/index.m3u8 1196 2026-09-12 yes no no https://prepshorts.com/learn/class-12/maths/probability/being-told-one-event-happened-shrinks-the-sample-space-you2026-09-30 https://prepshorts.com/poster/g12-maths-ch13-m01-t01-1280.688913b458.jpg Conditional probability, and the shrunk sample space NCERT Class 12 Maths, Chapter 13. Being told one event happened shrinks the sample space you count against. So what happens if you turn the bar around? https://prepshorts.com/v/g12-maths-ch13-m01-t01/index.m3u8 869 2026-09-12 yes no no https://prepshorts.com/learn/class-12/maths/probability/the-rules-conditional-probability-inherits-including2026-09-30 https://prepshorts.com/poster/g12-maths-ch13-m01-t02-1280.744533d75e.jpg Properties of conditional probability NCERT Class 12 Maths, Chapter 13. The rules conditional probability inherits, including addition on a restricted space. https://prepshorts.com/v/g12-maths-ch13-m01-t02/index.m3u8 927 2026-09-12 yes no no https://prepshorts.com/learn/class-12/maths/probability/multiplying-along-a-chain-of-dependent-draws-and-extending2026-09-30 https://prepshorts.com/poster/g12-maths-ch13-m02-t01-1280.7f5abd36bc.jpg The multiplication theorem on probability NCERT Class 12 Maths, Chapter 13. Multiplying along a chain of dependent draws, and extending it past two events. https://prepshorts.com/v/g12-maths-ch13-m02-t01/index.m3u8 882 2026-09-12 yes no no https://prepshorts.com/learn/class-12/maths/probability/independence-and-why-it-is-a-different-idea-from-having-no2026-09-30 https://prepshorts.com/poster/g12-maths-ch13-m02-t02-1280.7f6195885e.jpg Independent events, and why they are not exclusive NCERT Class 12 Maths, Chapter 13. Independence, and why it is a different idea from having no outcome in common. https://prepshorts.com/v/g12-maths-ch13-m02-t02/index.m3u8 1147 2026-09-12 yes no no https://prepshorts.com/learn/class-12/maths/probability/partitioning-the-sample-space-and-totalling-a-probability2026-09-30 https://prepshorts.com/poster/g12-maths-ch13-m03-t01-1280.c3492d4489.jpg The theorem of total probability NCERT Class 12 Maths, Chapter 13. Partitioning the sample space, and totalling a probability across the parts. https://prepshorts.com/v/g12-maths-ch13-m03-t01/index.m3u8 932 2026-09-12 yes no no https://prepshorts.com/learn/class-12/maths/probability/working-back-from-an-observed-effect-to-the-likelihood-of2026-10-03 https://prepshorts.com/poster/g12-maths-ch13-m03-t02-1280.6a0f5f7b78.jpg Bayes' theorem, from effect back to cause NCERT Class 12 Maths, Chapter 13. Working back from an observed effect to the likelihood of each cause. State the reversal formula with all of its hypotheses. https://prepshorts.com/v/g12-maths-ch13-m03-t02/index.m3u8 1015 2026-09-12 yes no no https://prepshorts.com/learn/class-12/maths/probability/attaching-a-number-to-every-outcome-a-random-variable-as-a2026-09-30 https://prepshorts.com/poster/g12-maths-ch13-m03-t03-1280.442b6dcf26.jpg Random variables as functions on the sample space NCERT Class 12 Maths, Chapter 13. Attaching a number to every outcome: a random variable as a function on the sample space. https://prepshorts.com/v/g12-maths-ch13-m03-t03/index.m3u8 788 2026-09-12 yes no no