https://www.khanacademy.org/math/class-6-ncf/x04ca845a9a148c80:patterns-in-mathematics-india/x04ca845a9a148c80:visualising-number-sequences-india/v/math-patterns-toothpicks-indian-accent 2025-05-29T05:05:30.332110463Z Math patterns: toothpicks Math patterns: toothpicks Skyloom (Dubbing) video https://cdn.kastatic.org/googleusercontent/ZCdwTudJg6e6n-P2gsaUborP4izvMsGo71pvEVlX9dNYWcLXcP7VHkWpn2grt4TUP1KoJLQP9NswyHBuBLSFTBw Math patterns: toothpicks Math patterns: toothpicks https://cdn.kastatic.org/ka-youtube-converted/XUonAWQermE.mp4/XUonAWQermE.mp4 285 Introduction to algebra https://www.khanacademy.org/math/uk-math-class-6/x2779fb3c4322516d:algebra-ncert-new/x2779fb3c4322516d:math-patterns/v/math-patterns-table 2025-06-25T05:51:35.728021887Z Math patterns: table We explain a pattern with the number of seats at a table. Skyloom (Dubbing) video https://cdn.kastatic.org/googleusercontent/ZCdwTudJg6e6n-P2gsaUborP4izvMsGo71pvEVlX9dNYWcLXcP7VHkWpn2grt4TUP1KoJLQP9NswyHBuBLSFTBw Math patterns: table We explain a pattern with the number of seats at a table. https://cdn.kastatic.org/ka-youtube-converted/Rp_XIuxF5Mk.mp4/Rp_XIuxF5Mk.mp4 204 Introduction to algebra https://www.khanacademy.org/math/class-6-ncf/x04ca845a9a148c80:patterns-in-mathematics-india/x04ca845a9a148c80:visualising-number-sequences-india/v/why-36-is-a-triangular-square-number 2025-06-08T17:08:59.076161332Z Why 36 is a triangular square number In this fun math exploration, we dive into the fascinating world of triangular and square numbers. Using square blocks, we demonstrate how triangular arrangements can sometimes be rearranged into perfect squares. Through visual examples, we discover that 36 is both a triangular number and a square number! This hands-on approach makes abstract mathematical concepts concrete and easy to understand for you. Sarath Penumuru video https://cdn.kastatic.org/googleusercontent/ZCdwTudJg6e6n-P2gsaUborP4izvMsGo71pvEVlX9dNYWcLXcP7VHkWpn2grt4TUP1KoJLQP9NswyHBuBLSFTBw Why 36 is a triangular square number In this fun math exploration, we dive into the fascinating world of triangular and square numbers. Using square blocks, we demonstrate how triangular arrangements can sometimes be rearranged into perfect squares. Through visual examples, we discover that 36 is both a triangular number and a square number! This hands-on approach makes abstract mathematical concepts concrete and easy to understand for you. https://cdn.kastatic.org/ka-youtube-converted/ucjPtCWMYVk.mp4/ucjPtCWMYVk.mp4 377 Introduction to algebra https://www.khanacademy.org/math/algebra/x2f8bb11595b61c86:foundation-algebra/x2f8bb11595b61c86:intro-variables/v/what-is-a-variable 2023-05-23T10:28:13.689545116Z What is a variable? Variables in math are symbols, often letters, that represent different values in various situations. They help us understand and solve problems with changing values. For example, when calculating total earnings at a job with an hourly wage plus tips, a variable can represent the fluctuating tips, making it easier to determine total income. Sal Khan video https://cdn.kastatic.org/googleusercontent/Z0Ew0H4CUDZ7Hc0NbhfLe904T2e_lMEyScP69jTH-2Kcauq4mxzwzwDS-yQlWeQlDKGfOS3-podwVZQRor01fOc What is a variable? Variables in math are symbols, often letters, that represent different values in various situations. They help us understand and solve problems with changing values. For example, when calculating total earnings at a job with an hourly wage plus tips, a variable can represent the fluctuating tips, making it easier to determine total income. https://cdn.kastatic.org/ka-youtube-converted/tHYis-DP0oU.mp4/tHYis-DP0oU.mp4 198 Introduction to algebra https://www.khanacademy.org/math/cc-sixth-grade-math/cc-6th-expressions-and-variables/cc-6th-writing-expressions/v/writing-expressions-with-variables-examples 2023-05-23T10:28:13.689545116Z Writing basic expressions with variables Learn to write expressions with variables in math! Discover how to represent various operations like addition, subtraction, multiplication, and division using variables. Master the art of creating expressions for real-life situations, such as finding the sum of two numbers or the difference between two values. Boost your algebra skills and become a pro at handling variables! video https://cdn.kastatic.org/googleusercontent/NHMBrf4eBm7Vw1GgYB04Y8Ofe8Ou5JROQgdkLmx95u6MawZgVsFiah9vhMAAhdmNu-D5HjurARYHf0E-UxaqdvJW4Q Writing basic expressions with variables Learn to write expressions with variables in math! Discover how to represent various operations like addition, subtraction, multiplication, and division using variables. Master the art of creating expressions for real-life situations, such as finding the sum of two numbers or the difference between two values. Boost your algebra skills and become a pro at handling variables! https://cdn.kastatic.org/ka-youtube-converted/640-86yn2wM.mp4/640-86yn2wM.mp4 157 Introduction to algebra https://www.khanacademy.org/math/cc-sixth-grade-math/cc-6th-expressions-and-variables/cc-6th-alg-expression-word-problems/v/writing-basic-expressions-from-word-problems-examples 2023-05-23T10:28:13.689545116Z Writing basic expressions word problems Susie runs a race at 5 miles per hour for t hours. To find the distance, multiply her speed by time (5t). In a poker game, winnings are split among p players, so each gets $548/p. Phil's net winnings are x dollars minus the $100 entry fee. Hillary makes 48 chocolate chip cookies and y sugar cookies, totaling 48+y cookies. video https://cdn.kastatic.org/googleusercontent/LTneQe3n2GCHAys0Gopnglwq20j02E7fNmKWORot7VfK9egqB54NgcJNFoDp3Ab3tuHaLnUorA5j8M8K4Cv6Bk-T Writing basic expressions word problems Susie runs a race at 5 miles per hour for t hours. To find the distance, multiply her speed by time (5t). In a poker game, winnings are split among p players, so each gets $548/p. Phil's net winnings are x dollars minus the $100 entry fee. Hillary makes 48 chocolate chip cookies and y sugar cookies, totaling 48+y cookies. https://cdn.kastatic.org/ka-youtube-converted/lq-2gX3NKCM.mp4/lq-2gX3NKCM.mp4 189 Introduction to algebra https://www.khanacademy.org/math/class-7-ncf/x063f95a40c290960:expressions-using-letter-numbers/x063f95a40c290960:the-notion-of-letter-numbers/v/perimeter-of-a-square-using-variables-algebra-class-6-india-math-khan-academy 2020-10-07T19:09:49Z Perimeter of a square using variables Let's learn how to write the perimeter for any square in the language of mathematics using variables. Aanand Srinivas video https://cdn.kastatic.org/googleusercontent/apoLmdVvrLsKeff_g4For8ZKF80v-RYsNGy_Sdo9JruyibZldcGis60Q0kF17We4PPVRVs10pVHgfs6dL9ibSTmw Perimeter of a square using variables Let's learn how to write the perimeter for any square in the language of mathematics using variables. https://cdn.kastatic.org/ka-youtube-converted/ezPWpQit2FU.mp4/ezPWpQit2FU.mp4 275 Introduction to algebra https://www.khanacademy.org/math/class-6-ncf/x04ca845a9a148c80:patterns-in-mathematics-india/x04ca845a9a148c80:patterns-in-numbers-india/v/finding-patterns-in-numbers-indian-accent 2025-05-29T05:05:30.332110463Z Finding patterns in numbers Find patterns in numbers Aakash Bagga video https://cdn.kastatic.org/googleusercontent/ZCdwTudJg6e6n-P2gsaUborP4izvMsGo71pvEVlX9dNYWcLXcP7VHkWpn2grt4TUP1KoJLQP9NswyHBuBLSFTBw Finding patterns in numbers Find patterns in numbers https://cdn.kastatic.org/ka-youtube-converted/CraTPn4u-FQ.mp4/CraTPn4u-FQ.mp4 219 Introduction to algebra https://www.khanacademy.org/math/revision-mh-math-class-6/x01cb2212e31ce997:decimal-fractions/x01cb2212e31ce997:equations/v/testing-solutions-to-equations-indian-accent 2025-06-05T06:01:43.515132284Z Testing solutions to equations In this math lesson, we learn how to solve an equation with one variable. We test different values for x to see which one satisfies the equation. By substituting x with the given options, we find the correct solution that makes both sides of the equation equal. Practice makes perfect! Skyloom (Dubbing) video https://cdn.kastatic.org/googleusercontent/ZCdwTudJg6e6n-P2gsaUborP4izvMsGo71pvEVlX9dNYWcLXcP7VHkWpn2grt4TUP1KoJLQP9NswyHBuBLSFTBw Testing solutions to equations In this math lesson, we learn how to solve an equation with one variable. We test different values for x to see which one satisfies the equation. By substituting x with the given options, we find the correct solution that makes both sides of the equation equal. Practice makes perfect! https://cdn.kastatic.org/ka-youtube-converted/nBa6LAcHOBw.mp4/nBa6LAcHOBw.mp4 219 Introduction to algebra https://www.khanacademy.org/math/revision-tg-math-class-6/xf9df81a51b2787b9:week-2/xf9df81a51b2787b9:introduction-to-algebra/e/revision-introduction-to-algebra-tg-class-6 2026-02-18T21:20:35.275198076Z Revision introduction to algebra TG class 6 . Khan Academy exercise