https://www.khanacademy.org/math/ka-math-class-7/x26f4f4b84655c15c:integers-ncert-new-indian-accent/x26f4f4b84655c15c:properties-of-addition-and-subtraction-of-integers-indian-accent/v/closure-property-for-additionsubtraction-integers 2024-03-14T20:05:09.2926958Z Closure Property for Addition/Subtraction for Integers This video discusses what is Closure property for addition and subtraction for integers. Devashish Phadnis video https://cdn.kastatic.org/googleusercontent/ZCdwTudJg6e6n-P2gsaUborP4izvMsGo71pvEVlX9dNYWcLXcP7VHkWpn2grt4TUP1KoJLQP9NswyHBuBLSFTBw Closure Property for Addition/Subtraction for Integers This video discusses what is Closure property for addition and subtraction for integers. https://cdn.kastatic.org/ka-youtube-converted/uWC47BRML1c.mp4/uWC47BRML1c.mp4 336 Rational Numbers https://www.khanacademy.org/math/cc-third-grade-math/intro-to-multiplication/imp-properties-of-multiplication/v/order-when-multiplying-commutative-property-of-multiplication 2022-10-06T09:25:13.606060383Z Commutative property of multiplication Sal explores what happens when we multiply numbers in different orders, for example 3x5 and 5x3. video https://cdn.kastatic.org/ka_thumbnails_cache/db97deef-7ef8-47d5-a5da-75669c25487b_1280_720_base.png Commutative property of multiplication Sal explores what happens when we multiply numbers in different orders, for example 3x5 and 5x3. https://cdn.kastatic.org/ka-youtube-converted/zwD1A9159F4.mp4/zwD1A9159F4.mp4 272 Rational Numbers https://www.khanacademy.org/math/revision-term-1-ka-math-class-8/x36423c781f0794f3:week-1/x36423c781f0794f3:rational-numbers/e/closure-property-of-rational-numbers 2026-02-26T15:40:49.311158104Z Closure, associative and commutative property of rational numbers (1/2) Closure, associative and commutative property of rational numbers (1/2) anmol exercise https://www.khanacademy.org/math/revision-term-1-ka-math-class-8/x36423c781f0794f3:week-1/x36423c781f0794f3:rational-numbers/e/commutativity-of-rational-numbers 2026-02-26T15:40:49.311158104Z Closure, associative and commutative property of rational numbers (2/2) Closure, associative and commutative property of rational numbers (2/2) anmol exercise https://www.khanacademy.org/math/cc-third-grade-math/3rd-basic-multiplication/distributive-property/v/using-the-distributive-property-when-multiplying 2022-10-06T09:25:13.606060383Z Distributive property when multiplying Sal uses the distributive property to break up 4x7 into smaller numbers. video https://cdn.kastatic.org/ka_thumbnails_cache/daa50cc3-754a-4c62-8ae4-4477b64035ed_1280_720_base.png Distributive property when multiplying Sal uses the distributive property to break up 4x7 into smaller numbers. https://cdn.kastatic.org/ka-youtube-converted/zRgnVbh6psI.mp4/zRgnVbh6psI.mp4 369 Rational Numbers https://www.khanacademy.org/math/revision-term-1-up-math-class-8/x6ba398efb9151cb1:week-1/x6ba398efb9151cb1:rational-numbers/e/properties-of-multiplication-of-rational-numbers-up-new 2025-01-30T02:03:08.999023639Z Properties of multiplication of rational numbers . Aakash Bagga exercise https://www.khanacademy.org/math/ka-math-class-7/x26f4f4b84655c15c:integers-ncert-new-indian-accent/x26f4f4b84655c15c:properties-of-addition-and-subtraction-of-integers-indian-accent/v/what-is-additive-identity 2024-08-02T14:34:16.112060016Z What is additive identity In this video we cover what is additive identity and what is the significance of studying this thing ? Learn about this in a simplest way possible. Devashish Phadnis video https://cdn.kastatic.org/googleusercontent/ZCdwTudJg6e6n-P2gsaUborP4izvMsGo71pvEVlX9dNYWcLXcP7VHkWpn2grt4TUP1KoJLQP9NswyHBuBLSFTBw What is additive identity In this video we cover what is additive identity and what is the significance of studying this thing ? Learn about this in a simplest way possible. https://cdn.kastatic.org/ka-youtube-converted/LBnYQwbjwHc.mp4/LBnYQwbjwHc.mp4 186 Rational Numbers https://www.khanacademy.org/math/grade-8-math/x37b9516354b6ae1a:numbers-and-operations/x37b9516354b6ae1a:properties-of-real-numbers/v/inverse-property-of-addition 2021-06-02T12:43:22Z Inverse property of addition The simple idea that a number plus its negative is 0 Sal Khan video https://cdn.kastatic.org/googleusercontent/1-BBh4x4oR_F7EpT2CyoeesmZrpNTK_8yghNpSkAVQf0CqEjcNDm0wC2rNx3gvyNJY5eelp2Z1uH3qZ44PuLJek Inverse property of addition The simple idea that a number plus its negative is 0 https://cdn.kastatic.org/ka-youtube-converted/bjVn4WGmNis.mp4/bjVn4WGmNis.mp4 179 Rational Numbers https://www.khanacademy.org/math/grade-8-math/x37b9516354b6ae1a:numbers-and-operations/x37b9516354b6ae1a:properties-of-real-numbers/v/inverse-property-of-multiplication 2021-06-02T12:43:23Z Inverse property of multiplication Simple idea that multiplying by a number's multiplicative inverse gets you back to one. 5 × 1/5 = 1 Sal Khan video https://cdn.kastatic.org/googleusercontent/jCi_YrJ-cpwtLS9NIUMWSuFH-1J4siS94vFktF6SHD2SM2XRkSxxOlu6muP6NnDWEn2zMbnDDGnL_rA3g-yMbtI Inverse property of multiplication Simple idea that multiplying by a number's multiplicative inverse gets you back to one. 5 × 1/5 = 1 https://cdn.kastatic.org/ka-youtube-converted/XMwnJUprid8.mp4/XMwnJUprid8.mp4 197 Rational Numbers https://www.khanacademy.org/math/grade-8-math/x37b9516354b6ae1a:numbers-and-operations/x37b9516354b6ae1a:properties-of-real-numbers/e/finding-reciprocal-of-a-fraction 2025-02-24T10:20:15.41527473Z Finding reciprocal of a fraction Finding reciprocal of a fraction anmol exercise https://www.khanacademy.org/math/ncert-math-class-8-winter-bridge/x07a8c25cbfcc9660:week-1/x07a8c25cbfcc9660:untitled-212/e/additive-and-multiplicative-inverse-of-a-rational-number 2025-02-24T10:20:15.41527473Z Additive and multiplicative inverse of a rational number Additive and multiplicative inverse of a rational number anmol exercise https://www.khanacademy.org/math/grade-8-math-tx/x42e41b058fcf4059:untitled-30/x42e41b058fcf4059:relationships-between-sets-of-rational-numbers/v/relationships-between-sets-of-rational-numbers 2024-02-23T13:35:22.990520592Z Relationships between sets of rational numbers A conceptual overview of visually representing relationships between sets of rational numbers (rational numbers, integers, whole numbers, natural numbers). Sal Khan video https://cdn.kastatic.org/ka_thumbnails_cache/4536ea6d-a7a9-4a25-a254-d2d61b4a1f24_1280_720_base.png Relationships between sets of rational numbers A conceptual overview of visually representing relationships between sets of rational numbers (rational numbers, integers, whole numbers, natural numbers). https://cdn.kastatic.org/ka-youtube-converted/j68fKea4Q0M.mp4/j68fKea4Q0M.mp4 229 Rational Numbers https://www.khanacademy.org/math/grade-8-math-tx/x42e41b058fcf4059:untitled-30/x42e41b058fcf4059:relationships-between-sets-of-rational-numbers/e/relationships-sets-rational-numbers 2024-02-23T13:35:22.990520592Z Visualize relationships between sets of rational numbers Practice visually representing relationships between sets of rational numbers (rational numbers, integers, whole numbers, natural numbers). Jeff Dodds exercise https://www.khanacademy.org/math/grade-6-math-tx/x3931b57772b927b3:ordering-fractions-decimals-integers/x3931b57772b927b3:intro-to-negative-numbers/e/classify-rational-numbers 2024-06-30T18:43:46.174892819Z Classify rational numbers Practice classifying rational numbers using diagrams. Lafeesah exercise https://www.khanacademy.org/math/cc-fourth-grade-math/imp-decimals/imp-decimals-on-the-number-line/v/identifying-tenths-on-a-number-line-math-4th-grade-khan-academy 2021-05-07T00:21:34Z Identifying tenths on a number line Lindsay identifies a point graphed on a number line.   Lindsay Spears video https://cdn.kastatic.org/googleusercontent/5tKs2xnrNwr5U5JOnNrMEcATPHlzY5AwK5KlvbfYs4TMNtgSXqCUL6JmW6E_5QhhR4ZladkB2Ycr1Uu1Z4-yWZ8 Identifying tenths on a number line Lindsay identifies a point graphed on a number line.   https://cdn.kastatic.org/ka-youtube-converted/qb0QSP7Sfz4.mp4/qb0QSP7Sfz4.mp4 112 Rational Numbers https://www.khanacademy.org/math/cc-sixth-grade-math/cc-6th-negative-number-topic/cc-6th-neg-dec-frac-number-line/v/points-on-a-number-line 2023-06-30T02:13:42.781179102Z Decimals & fractions on the number line Plotting numbers on a number line is a fundamental math skill that helps visualize numerical values. Key points include identifying whole numbers, fractions, and decimals, and placing them accurately on the line. This skill enhances understanding of number relationships and builds a strong foundation for more advanced math concepts. Sal Khan video https://cdn.kastatic.org/googleusercontent/vr4aLr1zt6A0_mu1RMEh3u8J28zuKP_8ty9PnrtMeGZPTJQ_7U0Q9Wm9tObcnTtpz_Xs8tdV3zmBAMZQnCoz_uA Decimals & fractions on the number line Plotting numbers on a number line is a fundamental math skill that helps visualize numerical values. Key points include identifying whole numbers, fractions, and decimals, and placing them accurately on the line. This skill enhances understanding of number relationships and builds a strong foundation for more advanced math concepts. https://cdn.kastatic.org/ka-youtube-converted/uC09taczvOo.mp4/uC09taczvOo.mp4 118 Rational Numbers https://www.khanacademy.org/math/revision-term-1-mh-math-class-8/x0c43044bb5624863:week-1/x0c43044bb5624863:rational-and-irrational-numbers/e/plot-rational-numbers-on-the-number-line 2026-04-08T01:15:04.085520103Z Plot rational numbers on the number line - I . Aakash Bagga exercise https://www.khanacademy.org/math/grade-6-math-cambridge/x1977d7ef0ed7ac14:fractions/x1977d7ef0ed7ac14:plotting-fractions-on-the-number-line/e/plot-rational-numbers-on-the-number-line-ii 2026-04-08T00:36:09.500768563Z Plot rational numbers on the number line - II . Aakash Bagga exercise https://www.khanacademy.org/math/grade-6-math-cambridge/x1977d7ef0ed7ac14:fractions/x1977d7ef0ed7ac14:plotting-fractions-on-the-number-line/e/plot-rational-numbers-on-the-number-line-iii 2026-04-07T23:17:37.123726494Z Plot rational numbers on the number line - III . Aakash Bagga exercise https://www.khanacademy.org/math/cc-sixth-grade-math/cc-6th-negative-number-topic/cc-6th-comparing-negative-numbers/v/compare-rational-numbers-using-a-number-line 2023-07-14T23:21:51.065682509Z Compare rational numbers using a number line In this math tutorial, we learn to compare positive and negative numbers, decimals, and fractions using a number line. By visualizing the numbers on a number line, we can easily determine which number is greater or smaller. This method helps build a strong foundation in understanding number relationships and comparisons. Sal Khan video https://cdn.kastatic.org/ka_thumbnails_cache/9d431bed-8652-49f8-806c-2aacefdae1a5_1280_720_base.png Compare rational numbers using a number line In this math tutorial, we learn to compare positive and negative numbers, decimals, and fractions using a number line. By visualizing the numbers on a number line, we can easily determine which number is greater or smaller. This method helps build a strong foundation in understanding number relationships and comparisons. https://cdn.kastatic.org/ka-youtube-converted/6h0Wi8Dcd0E.mp4/6h0Wi8Dcd0E.mp4 339 Rational Numbers https://www.khanacademy.org/math/revision-term-1-mh-math-class-8/x0c43044bb5624863:week-1/x0c43044bb5624863:rational-and-irrational-numbers/e/rational-numbers-1-c 2025-05-19T03:42:11.932004058Z Compare rational numbers Comparing rational numbers ashish exercise https://www.khanacademy.org/math/cc-sixth-grade-math/cc-6th-negative-number-topic/x0267d782:ordering-rational-numbers/v/ordering-rational-numbers 2023-05-08T07:03:29.632031759Z Ordering rational numbers Learn how to order numbers from least to greatest using a number line. Convert fractions and decimals to mixed numbers or whole numbers, then plot them on the number line. Master this skill by practicing with examples like 7/3, -5/2, 0, -2, -12/4, and -3.25. video https://cdn.kastatic.org/googleusercontent/4vZhBOtU2DMKVIs_11OWaIqwJwnatAX-JmzW4BYSPcR-9412RUb0awe6jWoHhZQHlZ7baOorTvDW6va0TU1L54hR Ordering rational numbers Learn how to order numbers from least to greatest using a number line. Convert fractions and decimals to mixed numbers or whole numbers, then plot them on the number line. Master this skill by practicing with examples like 7/3, -5/2, 0, -2, -12/4, and -3.25. https://cdn.kastatic.org/ka-youtube-converted/i1i2_9wg6N8.mp4/i1i2_9wg6N8.mp4 254 Rational Numbers https://www.khanacademy.org/math/cc-sixth-grade-math/cc-6th-negative-number-topic/cc-6th-neg-dec-frac-number-line/e/fractions_on_the_number_line_3 2026-04-01T22:40:57.156640398Z Negative fractions on the number line Practice placing negative fractions on the number line. Matt Wahl exercise https://www.khanacademy.org/math/class-7-od/x48ac5f37f7da7ee1:rational-numbers-odia-class-7/x48ac5f37f7da7ee1:rational-number-between-two-rational-numbers-odia-class-7/e/rational-numbers-between-rational-numbers-up-new 2025-01-30T02:03:08.999023639Z Rational numbers between rational numbers . Aakash Bagga exercise https://www.khanacademy.org/math/cc-2nd-grade-math/cc-2nd-place-value/x3184e0ec:numbers-in-standard-word-and-expanded-form/v/expanded-form-of-numbers 2021-05-18T23:20:44Z Expanded form of numbers Sal shows how to turn numbers from expanded form to number form. Sal Khan video https://cdn.kastatic.org/googleusercontent/ZCdwTudJg6e6n-P2gsaUborP4izvMsGo71pvEVlX9dNYWcLXcP7VHkWpn2grt4TUP1KoJLQP9NswyHBuBLSFTBw Expanded form of numbers Sal shows how to turn numbers from expanded form to number form. https://cdn.kastatic.org/ka-youtube-converted/drZjIlmHdME.mp4/drZjIlmHdME.mp4 177 Rational Numbers https://www.khanacademy.org/math/cc-2nd-grade-math/cc-2nd-place-value/x3184e0ec:numbers-in-standard-word-and-expanded-form/e/write-numbers-between-standard-and-expanded-form 2026-04-08T00:36:09.500768563Z Write numbers in number and expanded form Write numbers in number and expanded form within 1000.  Kami Soltesz exercise https://www.khanacademy.org/math/6th-engage-ny/engage-6th-module-2/6th-module-2-topic-d/v/divisibility-tests-for-2-3-4-5-6-9-10 2020-12-29T16:19:55Z Divisibility tests for 2, 3, 4, 5, 6, 9, 10 Worked example of basic divisibility tests. Sal Khan video https://cdn.kastatic.org/googleusercontent/5cSLL1AxvANtGA9oFHlOFtHk-RRoQoO-YNAKhgx-Gqd-VS-20j9paPrqykvg_4OZYwm6_3t7npfvrO0TX9oUIbo Divisibility tests for 2, 3, 4, 5, 6, 9, 10 Worked example of basic divisibility tests. https://cdn.kastatic.org/ka-youtube-converted/Df9h5t64NlQ.mp4/Df9h5t64NlQ.mp4 393 Rational Numbers https://www.khanacademy.org/math/6th-engage-ny/engage-6th-module-2/6th-module-2-topic-d/v/the-why-of-the-3-divisibility-rule 2021-02-07T17:14:00Z The why of the 3 divisibility rule Why you can add the digits to see if something is divisible by 3 Sal Khan video https://cdn.kastatic.org/googleusercontent/mU19LTDJAxmbcuHvwjmMEQ4Cpr23aGqCxXcWbMaRECLn0cA3v0Pvkgy0xPUiLS7OWMgHl_EFY0Hx60HlY7R7n8Qs-Q The why of the 3 divisibility rule Why you can add the digits to see if something is divisible by 3 https://cdn.kastatic.org/ka-youtube-converted/NehkLV77ITk.mp4/NehkLV77ITk.mp4 303 Rational Numbers https://www.khanacademy.org/math/6th-engage-ny/engage-6th-module-2/6th-module-2-topic-d/v/the-why-of-the-9-divisibility-rule 2020-10-07T19:09:55Z The why of the 9 divisibility rule Why you can test divisibility by 9 by just adding the digits Sal Khan video https://cdn.kastatic.org/googleusercontent/a-USFjCLk3pyrSuB-_PFInR7GcNpLT8JhjYdlS0gvGwgOQYwhKvPhuBoB9mVHLXR6XlSBAsltgPGeezs2LRQGUqY The why of the 9 divisibility rule Why you can test divisibility by 9 by just adding the digits https://cdn.kastatic.org/ka-youtube-converted/XAzFGx3Ruig.mp4/XAzFGx3Ruig.mp4 308 Rational Numbers https://www.khanacademy.org/math/6th-engage-ny/engage-6th-module-2/6th-module-2-topic-d/v/recognizing-divisibility 2020-09-21T17:06:11Z Recognizing divisibility Recognizing Divisibility. Sal Khan video https://cdn.kastatic.org/googleusercontent/6K5qnnQK_xQLR4g11hTPQbJqxnNznuT7kz2oMt_PVTd0VlznUxE_S6VpK9ao-_ab1JrTe0rAmCEhOJdkg0sUE1I Recognizing divisibility Recognizing Divisibility. https://cdn.kastatic.org/ka-youtube-converted/2G_Jr_XpnY4.mp4/2G_Jr_XpnY4.mp4 386 Rational Numbers https://www.khanacademy.org/math/6th-engage-ny/engage-6th-module-2/6th-module-2-topic-d/e/divisibility_tests 2025-08-13T02:25:06.078514402Z Divisibility tests Ben Eater exercise