https://www.khanacademy.org/math/geometry/hs-geo-circles/hs-geo-inscribed-angles/v/inscribed-and-central-angles 2021-02-16T16:08:14Z Inscribed angle theorem proof Proving that an inscribed angle is half of a central angle that subtends the same arc. Sal Khan video https://cdn.kastatic.org/googleusercontent/b9j8vJI8FRhfQOVZipSvn6bkeJnIdG2zndhPcHLtyAyI6m7Zs0Jl88m3cM7oUASY-r8R79C1Ydvxq8mrdsmqLF-N Inscribed angle theorem proof Proving that an inscribed angle is half of a central angle that subtends the same arc. https://cdn.kastatic.org/ka-youtube-converted/MyzGVbCHh5M.mp4/MyzGVbCHh5M.mp4 856 Circle, Mental Math and Division https://www.khanacademy.org/math/geometry/hs-geo-circles/hs-geo-inscribed-shapes/v/solving-for-unknown-angle 2022-10-07T00:00:24.225559754Z Inscribed shapes: angle subtended by diameter One method using an inscribed angle intercepting a diameter of a circle. video https://cdn.kastatic.org/ka_thumbnails_cache/44f19821-883b-4c54-a10d-b6efe7573af0_1280_720_base.png Inscribed shapes: angle subtended by diameter One method using an inscribed angle intercepting a diameter of a circle. https://cdn.kastatic.org/ka-youtube-converted/pCLGpRaJfJ8.mp4/pCLGpRaJfJ8.mp4 349 Circle, Mental Math and Division https://www.khanacademy.org/math/geometry/hs-geo-circles/hs-geo-inscribed-shapes/v/finding-inscribed-angle-measure 2022-10-07T00:00:24.225559754Z Inscribed shapes: find inscribed angle Using either the inscribed angle theorem or the fact that two inscribed angles that intercept the same arc must be congruent. video https://cdn.kastatic.org/ka_thumbnails_cache/abe47037-3a08-47e2-a585-f7cf9755e600_1280_720_base.png Inscribed shapes: find inscribed angle Using either the inscribed angle theorem or the fact that two inscribed angles that intercept the same arc must be congruent. https://cdn.kastatic.org/ka-youtube-converted/h-_BDon5oes.mp4/h-_BDon5oes.mp4 130 Circle, Mental Math and Division 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 Circle, Mental Math and Division 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 Circle, Mental Math and Division 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 Circle, Mental Math and Division https://www.khanacademy.org/math/up-class-8-bridge/x3d6b46e0b948ed46:vedic-mental-math/x3d6b46e0b948ed46:division-by-vedic-method/v/division-using-vedic-math-nikhilam-1 2024-03-18T19:35:09.616623656Z Division using Vedic Math- Nikhilam-1 In this video you will learn about basic method of division using vedic math which is done by specific method called Nikhilam! This video of divison is among three parts of nikhilam method we have. This is the first part. Devashish Phadnis video https://cdn.kastatic.org/googleusercontent/ZCdwTudJg6e6n-P2gsaUborP4izvMsGo71pvEVlX9dNYWcLXcP7VHkWpn2grt4TUP1KoJLQP9NswyHBuBLSFTBw Division using Vedic Math- Nikhilam-1 In this video you will learn about basic method of division using vedic math which is done by specific method called Nikhilam! This video of divison is among three parts of nikhilam method we have. This is the first part. https://cdn.kastatic.org/ka-youtube-converted/iT3Wrwgy8c8.mp4/iT3Wrwgy8c8.mp4 406 Circle, Mental Math and Division https://www.khanacademy.org/math/up-class-8-bridge/x3d6b46e0b948ed46:vedic-mental-math/x3d6b46e0b948ed46:division-by-vedic-method/v/divison-using-vedic-math-nikhilam-2-negative-remainder 2024-03-18T19:35:09.616623656Z Divison using vedic math- Nikhilam 2 (Negative remainder) In this video we describe nikhilam method of divison in vedic math where the remainder becomes negative and how to make sure we get correct answer. Devashish Phadnis video https://cdn.kastatic.org/googleusercontent/ZCdwTudJg6e6n-P2gsaUborP4izvMsGo71pvEVlX9dNYWcLXcP7VHkWpn2grt4TUP1KoJLQP9NswyHBuBLSFTBw Divison using vedic math- Nikhilam 2 (Negative remainder) In this video we describe nikhilam method of divison in vedic math where the remainder becomes negative and how to make sure we get correct answer. https://cdn.kastatic.org/ka-youtube-converted/15kusIk6SAA.mp4/15kusIk6SAA.mp4 245 Circle, Mental Math and Division https://www.khanacademy.org/math/revision-term-1-up-math-class-7/x626965769808ea32:week-3/x626965769808ea32:untitlfactorization-of-expressionsed-lesson-10/v/division-using-vedic-math-nikhilam-3 2024-03-18T19:35:09.616623656Z Division using vedic math -Nikhilam 3 In this video we cover the case of division using vedic math method called nikhilam where the base is 100, and you can extending the logic for bases which are even larger. Devashish Phadnis video https://cdn.kastatic.org/googleusercontent/ZCdwTudJg6e6n-P2gsaUborP4izvMsGo71pvEVlX9dNYWcLXcP7VHkWpn2grt4TUP1KoJLQP9NswyHBuBLSFTBw Division using vedic math -Nikhilam 3 In this video we cover the case of division using vedic math method called nikhilam where the base is 100, and you can extending the logic for bases which are even larger. https://cdn.kastatic.org/ka-youtube-converted/xH8XmVDyVjk.mp4/xH8XmVDyVjk.mp4 207 Circle, Mental Math and Division https://www.khanacademy.org/math/revision-up-math-class-7/xad74f3b46242b79b:week-3-revision-up-math-class-7/xad74f3b46242b79b:circle-revision-up-math-class-7/v/finding-cube-vedic-math-nikhilam 2024-03-18T19:35:09.616623656Z Finding Cube - vedic math Nikhilam In this video we learn about the method of finding cube using a vedic math algorithm called as Nikhilam. Devashish Phadnis video https://cdn.kastatic.org/googleusercontent/ZCdwTudJg6e6n-P2gsaUborP4izvMsGo71pvEVlX9dNYWcLXcP7VHkWpn2grt4TUP1KoJLQP9NswyHBuBLSFTBw Finding Cube - vedic math Nikhilam In this video we learn about the method of finding cube using a vedic math algorithm called as Nikhilam. https://cdn.kastatic.org/ka-youtube-converted/SXbiRk_JfL8.mp4/SXbiRk_JfL8.mp4 201 Circle, Mental Math and Division https://www.khanacademy.org/math/revision-up-math-class-7/xad74f3b46242b79b:week-3-revision-up-math-class-7/xad74f3b46242b79b:circle-revision-up-math-class-7/v/vedic-division-base-less-than-divisor-paravartya-yojayet 2024-03-18T19:35:09.616623656Z Vedic division (Base less than divisor) Paravartya Yojayet In this video we describe a vedic math method called Paravartya Yojayet which is different than nikhilam method of divison. In this method you will find that the base is less than the divisor. Devashish Phadnis video https://cdn.kastatic.org/googleusercontent/ZCdwTudJg6e6n-P2gsaUborP4izvMsGo71pvEVlX9dNYWcLXcP7VHkWpn2grt4TUP1KoJLQP9NswyHBuBLSFTBw Vedic division (Base less than divisor) Paravartya Yojayet In this video we describe a vedic math method called Paravartya Yojayet which is different than nikhilam method of divison. In this method you will find that the base is less than the divisor. https://cdn.kastatic.org/ka-youtube-converted/IPrJABfzZqw.mp4/IPrJABfzZqw.mp4 401 Circle, Mental Math and Division https://www.khanacademy.org/math/revision-term-1-up-math-class-7/x626965769808ea32:week-3/x626965769808ea32:untitlfactorization-of-expressionsed-lesson-10/v/finding-cube-using-vedic-math-yavdunam 2024-03-18T19:35:09.616623656Z Finding Cube using Vedic Math- Yavdunam This video describes an algorithm and a solved problem for finding the cube of the number. This is a vedic math method that is known as Yavdunam. Devashish Phadnis video https://cdn.kastatic.org/googleusercontent/ZCdwTudJg6e6n-P2gsaUborP4izvMsGo71pvEVlX9dNYWcLXcP7VHkWpn2grt4TUP1KoJLQP9NswyHBuBLSFTBw Finding Cube using Vedic Math- Yavdunam This video describes an algorithm and a solved problem for finding the cube of the number. This is a vedic math method that is known as Yavdunam. https://cdn.kastatic.org/ka-youtube-converted/5VQdat_5--8.mp4/5VQdat_5--8.mp4 185 Circle, Mental Math and Division https://www.khanacademy.org/math/revision-up-math-class-7/xad74f3b46242b79b:week-3-revision-up-math-class-7/xad74f3b46242b79b:circle-revision-up-math-class-7/e/revision-circle-up-math-class-7 2026-04-07T22:23:57.656416987Z Revision Circle, Mental Math and Division Practice problems for revision of Circle. Satya Swaroop exercise