https://www.khanacademy.org/math/uk-math-class-8/x40384ea0c3a0cfc9:cube-and-cube-roots-ncert-new/x40384ea0c3a0cfc9:cubes/v/adding-consecutive-odd-numbers 2025-05-15T14:44:06.823245258Z Adding consecutive odd numbers In this video, we explore the fascinating mathematical pattern between adding consecutive odd numbers and finding perfect cubes. Through visual representations, we demonstrate how this sequence works and develop methods to find the first number in any such sequence. Students will learn how to apply this pattern to easily calculate cube numbers and solve related problems. This approach transforms abstract number theory into concrete, practical skills that you can apply to various mathematical challenges. Sarath Penumuru video https://cdn.kastatic.org/googleusercontent/ZCdwTudJg6e6n-P2gsaUborP4izvMsGo71pvEVlX9dNYWcLXcP7VHkWpn2grt4TUP1KoJLQP9NswyHBuBLSFTBw Adding consecutive odd numbers In this video, we explore the fascinating mathematical pattern between adding consecutive odd numbers and finding perfect cubes. Through visual representations, we demonstrate how this sequence works and develop methods to find the first number in any such sequence. Students will learn how to apply this pattern to easily calculate cube numbers and solve related problems. This approach transforms abstract number theory into concrete, practical skills that you can apply to various mathematical challenges. https://cdn.kastatic.org/ka-youtube-converted/-KVfOs9H5G0.mp4/-KVfOs9H5G0.mp4 289 Cubes https://www.khanacademy.org/math/revision-term-1-ka-math-class-8/x36423c781f0794f3:week-3/x36423c781f0794f3:cube-and-cube-roots/v/smallest-multiple-that-is-a-perfect-cube 2025-05-15T14:44:06.823245258Z Smallest multiple that is a perfect cube In this video, we tackle an intriguing mathematical puzzle: finding the smallest multiple of a number that is also a perfect cube. We demonstrate how to use prime factorization to identify cube roots efficiently, then apply this technique to solve our main problem step by step. The video includes a clear mathematical solution and concludes with a bonus challenge to test students' understanding. This practical approach helps you develop important number theory skills while building their mathematical reasoning abilities. Sarath Penumuru video https://cdn.kastatic.org/googleusercontent/ZCdwTudJg6e6n-P2gsaUborP4izvMsGo71pvEVlX9dNYWcLXcP7VHkWpn2grt4TUP1KoJLQP9NswyHBuBLSFTBw Smallest multiple that is a perfect cube In this video, we tackle an intriguing mathematical puzzle: finding the smallest multiple of a number that is also a perfect cube. We demonstrate how to use prime factorization to identify cube roots efficiently, then apply this technique to solve our main problem step by step. The video includes a clear mathematical solution and concludes with a bonus challenge to test students' understanding. This practical approach helps you develop important number theory skills while building their mathematical reasoning abilities. https://cdn.kastatic.org/ka-youtube-converted/0JrEANqceto.mp4/0JrEANqceto.mp4 222 Cubes https://www.khanacademy.org/math/revision-term-1-ka-math-class-8/x36423c781f0794f3:week-3/x36423c781f0794f3:cube-and-cube-roots/e/cube-roots-3-a 2025-02-10T11:15:42.866710478Z Finding cube of numbers, identifying perfect cubes Cube roots ashish exercise https://www.khanacademy.org/math/revision-term-1-ka-math-class-8/x36423c781f0794f3:week-3/x36423c781f0794f3:cube-and-cube-roots/v/units-place-digit-in-a-cube 2025-05-15T14:44:06.823245258Z Units place digit in a cube Ever wondered how to find the last digit of a cube without actually cubing big numbers? In this video, we uncover a cool math trick that shows you how the unit digit of a cube depends only on the unit digit of the original number—no matter how big the number is! What you’ll learn: 🔹 Cubes of all single-digit numbers 🔹 Why only the last digit matters in most cube calculations 🔹 3 patterns you can remember to find cube unit digits instantly 🔹 Solved examples to boost your confidence This is a must-watch for middle school and high school students learning number systems or preparing for exams like NTSE, Olympiads, or just brushing up on cool number patterns! Sarath Penumuru video https://cdn.kastatic.org/googleusercontent/ZCdwTudJg6e6n-P2gsaUborP4izvMsGo71pvEVlX9dNYWcLXcP7VHkWpn2grt4TUP1KoJLQP9NswyHBuBLSFTBw Units place digit in a cube Ever wondered how to find the last digit of a cube without actually cubing big numbers? In this video, we uncover a cool math trick that shows you how the unit digit of a cube depends only on the unit digit of the original number—no matter how big the number is! What you’ll learn: 🔹 Cubes of all single-digit numbers 🔹 Why only the last digit matters in most cube calculations 🔹 3 patterns you can remember to find cube unit digits instantly 🔹 Solved examples to boost your confidence This is a must-watch for middle school and high school students learning number systems or preparing for exams like NTSE, Olympiads, or just brushing up on cool number patterns! https://cdn.kastatic.org/ka-youtube-converted/uE0TNivGFSg.mp4/uE0TNivGFSg.mp4 463 Cubes https://www.khanacademy.org/math/revision-term-1-mh-math-class-8/x0c43044bb5624863:week-2/x0c43044bb5624863:indices-and-cube-root/e/units-digit-of-a-perfect-cube 2025-02-18T07:59:23.128836043Z Units digit of a cube root Units digit of a cube root ashish exercise https://www.khanacademy.org/math/revision-term-1-mh-math-class-8/x0c43044bb5624863:week-2/x0c43044bb5624863:indices-and-cube-root/e/multiply-divide-to-make-it-a-perfect-cube 2025-02-10T11:15:42.866710478Z Multiply divide to make it a perfect cube Multiply divide to make it a perfect cube ashish exercise