https://www.khanacademy.org/math/class-6-ncf/x04ca845a9a148c80:number-play/x04ca845a9a148c80:playing-with-numbers/v/digit-sum-of-numbers 2026-01-14T03:17:21.82359354Z Digit Sum of Numbers In this video, we discussed digit sum of numbers and how we can solve problems based on it. Khan Academy video https://cdn.kastatic.org/googleusercontent/ZCdwTudJg6e6n-P2gsaUborP4izvMsGo71pvEVlX9dNYWcLXcP7VHkWpn2grt4TUP1KoJLQP9NswyHBuBLSFTBw Digit Sum of Numbers In this video, we discussed digit sum of numbers and how we can solve problems based on it. https://cdn.kastatic.org/ka-youtube-converted/g-PZ6qHit5M.mp4/g-PZ6qHit5M.mp4 287 Playing with numbers https://www.khanacademy.org/math/class-6-ncf/x04ca845a9a148c80:number-play/x04ca845a9a148c80:playing-with-numbers/v/playing-with-digits 2025-12-05T09:40:41.786169848Z Playing with Digits Do you know how many times the digit 1 appears while writing all the natural numbers 1 to 100? Watch this video to find that out. Khan Academy video https://cdn.kastatic.org/googleusercontent/ZCdwTudJg6e6n-P2gsaUborP4izvMsGo71pvEVlX9dNYWcLXcP7VHkWpn2grt4TUP1KoJLQP9NswyHBuBLSFTBw Playing with Digits Do you know how many times the digit 1 appears while writing all the natural numbers 1 to 100? Watch this video to find that out. https://cdn.kastatic.org/ka-youtube-converted/bzAJgDYw5Ns.mp4/bzAJgDYw5Ns.mp4 283 Playing with numbers https://www.khanacademy.org/math/class-6-ncf/x04ca845a9a148c80:number-play/x04ca845a9a148c80:playing-with-numbers/v/multiplication-with-arrays-indian-accent 2025-06-08T17:08:59.076161332Z Multiplication with arrays Let's explore this video about representing 12 with multiplication. It shows 12 as 4x3, 3x4, 2x6, 6x2, 1x12, and 12x1. This helps students understand multiplication and different group arrangements. Skyloom (Dubbing) video https://cdn.kastatic.org/googleusercontent/ZCdwTudJg6e6n-P2gsaUborP4izvMsGo71pvEVlX9dNYWcLXcP7VHkWpn2grt4TUP1KoJLQP9NswyHBuBLSFTBw Multiplication with arrays Let's explore this video about representing 12 with multiplication. It shows 12 as 4x3, 3x4, 2x6, 6x2, 1x12, and 12x1. This helps students understand multiplication and different group arrangements. https://cdn.kastatic.org/ka-youtube-converted/hBKgtmnc0H8.mp4/hBKgtmnc0H8.mp4 175 Playing with numbers https://www.khanacademy.org/math/cc-third-grade-math/intro-to-multiplication/imp-multiplication-intro/e/equal-groups 2025-05-22T15:20:59.318454284Z Equal groups Practice counting equal groups and making connections to multiplication. Kami exercise https://www.khanacademy.org/math/cc-third-grade-math/intro-to-multiplication/multiplication-with-arrays/e/understand-multiplication-with-arrays 2025-03-06T08:29:31.161653369Z Understand multiplication with arrays Kami exercise https://www.khanacademy.org/math/class-6-ncf/x04ca845a9a148c80:number-play/x04ca845a9a148c80:playing-with-numbers/v/palindromic-numbers 2025-12-05T09:40:41.786169848Z Palindromic Numbers In this video, we will be discussing palindromic numbers or palindromes. Watch this video entirely to discover a very interesting property about palindromic numbers, which has kept Mathematicians busy for a very long time. Khan Academy video https://cdn.kastatic.org/googleusercontent/ZCdwTudJg6e6n-P2gsaUborP4izvMsGo71pvEVlX9dNYWcLXcP7VHkWpn2grt4TUP1KoJLQP9NswyHBuBLSFTBw Palindromic Numbers In this video, we will be discussing palindromic numbers or palindromes. Watch this video entirely to discover a very interesting property about palindromic numbers, which has kept Mathematicians busy for a very long time. https://cdn.kastatic.org/ka-youtube-converted/RbwRYX_ozxg.mp4/RbwRYX_ozxg.mp4 312 Playing with numbers https://www.khanacademy.org/math/class-6-ncf/x04ca845a9a148c80:number-play/x04ca845a9a148c80:playing-with-numbers/v/playing-with-number-patterns 2026-01-14T03:17:21.82359354Z Playing with Number Patterns In this video, we solved some problems based on number patterns. Khan Academy video https://cdn.kastatic.org/googleusercontent/ZCdwTudJg6e6n-P2gsaUborP4izvMsGo71pvEVlX9dNYWcLXcP7VHkWpn2grt4TUP1KoJLQP9NswyHBuBLSFTBw Playing with Number Patterns In this video, we solved some problems based on number patterns. https://cdn.kastatic.org/ka-youtube-converted/IoIqn8N0NvA.mp4/IoIqn8N0NvA.mp4 267 Playing with numbers https://www.khanacademy.org/math/class-6-ncf/x04ca845a9a148c80:number-play/x04ca845a9a148c80:playing-with-numbers/v/collatz-cojecture-rules 2025-06-08T17:08:59.076161332Z Collatz cojecture rules In this video, we delve into one of the most intriguing puzzles in mathematics - the Collatz Conjecture. Often referred to as the ""3x + 1 problem,"" this conjecture is simple to understand but remains an unsolved mystery to this day. What You'll Learn: Introduction to the Collatz Conjecture Step-by-Step Explanation and Examples Illustrating the Collatz Sequence The Unsolved Mystery: Despite its apparent simplicity, the Collatz Conjecture remains one of the great unsolved problems in mathematics. Mahak Wasan video https://cdn.kastatic.org/googleusercontent/ZCdwTudJg6e6n-P2gsaUborP4izvMsGo71pvEVlX9dNYWcLXcP7VHkWpn2grt4TUP1KoJLQP9NswyHBuBLSFTBw Collatz cojecture rules In this video, we delve into one of the most intriguing puzzles in mathematics - the Collatz Conjecture. Often referred to as the ""3x + 1 problem,"" this conjecture is simple to understand but remains an unsolved mystery to this day. What You'll Learn: Introduction to the Collatz Conjecture Step-by-Step Explanation and Examples Illustrating the Collatz Sequence The Unsolved Mystery: Despite its apparent simplicity, the Collatz Conjecture remains one of the great unsolved problems in mathematics. https://cdn.kastatic.org/ka-youtube-converted/bFhmauhMMFg.mp4/bFhmauhMMFg.mp4 186 Playing with numbers https://www.khanacademy.org/math/class-6-ncf/x04ca845a9a148c80:number-play/x04ca845a9a148c80:playing-with-numbers/v/proofs-in-mathematics 2026-01-14T03:17:21.82359354Z Proofs in Mathematics In this video, we discussed the importance of proofs in Mathematics. Khan Academy video https://cdn.kastatic.org/googleusercontent/ZCdwTudJg6e6n-P2gsaUborP4izvMsGo71pvEVlX9dNYWcLXcP7VHkWpn2grt4TUP1KoJLQP9NswyHBuBLSFTBw Proofs in Mathematics In this video, we discussed the importance of proofs in Mathematics. https://cdn.kastatic.org/ka-youtube-converted/4mYx5qdp7pc.mp4/4mYx5qdp7pc.mp4 496 Playing with numbers