https://www.khanacademy.org/math/cc-seventh-grade-math/cc-7th-variables-expressions/cc-7th-interpreting-lin-exp/v/interpreting-linear-expressions-example-2 2021-06-21T15:29:10Z Interpreting linear expressions: flowers Let's practice matching expressions to their meaning in this example of interpreting linear expressions. Sal Khan video https://cdn.kastatic.org/googleusercontent/iSbmIswciEo_k6TOAdukw1K0RECorw7TERR6_o-lj_2m2Z5a99PVsvsAQJQU9LU2433BKxlrD1PMOjyDN2ekIYOj Interpreting linear expressions: flowers Let's practice matching expressions to their meaning in this example of interpreting linear expressions. https://cdn.kastatic.org/ka-youtube-converted/edVnqL2Z59A.mp4/edVnqL2Z59A.mp4 122 Interpretar expresiones lineales https://www.khanacademy.org/math/cc-seventh-grade-math/cc-7th-variables-expressions/cc-7th-interpreting-lin-exp/e/interpreting-expressions 2026-04-07T22:59:30.107127435Z Interpreting linear expressions Practice interpreting linear expressions Justin Helps exercise https://www.khanacademy.org/math/cc-seventh-grade-math/cc-7th-variables-expressions/cc-7th-interpreting-lin-exp/v/more-fancy-expressions-from-word-problems 2021-06-21T15:29:04Z Writing expressions word problems Learn how to write expressions with variables to describe situations described in word problems. video https://cdn.kastatic.org/googleusercontent/k-FcjddKg7qdJmbev9N3ybiudBjX5dPGbi1815X9ehFPd1spmYKxMVDOxMs2GREw2JWLW-mA5ksMRVn9hpDS0QY Writing expressions word problems Learn how to write expressions with variables to describe situations described in word problems. https://cdn.kastatic.org/ka-youtube-converted/C_KffdI34ZU.mp4/C_KffdI34ZU.mp4 282 Interpretar expresiones lineales https://www.khanacademy.org/math/cc-seventh-grade-math/cc-7th-variables-expressions/cc-7th-interpreting-lin-exp/e/writing-basic-algebraic-expressions-word-problems-2 2025-08-18T06:16:05.32855841Z Writing expressions word problems Practice writing slightly more complex algebraic expressions to model real-world situations. Ben exercise https://www.khanacademy.org/math/cc-sixth-grade-math/cc-6th-equations-and-inequalities/cc-6th-intro-equations/v/variables-expressions-and-equations 2023-06-30T02:13:42.781179102Z Variables, expressions, & equations In algebra, we use variables like x, y, and z to represent unknown values. Expressions are combinations of variables and numbers, while equations equate two expressions. Variables can take on different values depending on the context, and we can evaluate expressions by substituting values for the variables. Sal Khan video https://cdn.kastatic.org/googleusercontent/sjn6uuCg_VMBvqgKVdjnKMqrR0Ck6JEoDLwedxMk2E6WGPQzU00r5oY68BHBihk__NPNIC-e29cRLty1sTKrmxEMcA Variables, expressions, & equations In algebra, we use variables like x, y, and z to represent unknown values. Expressions are combinations of variables and numbers, while equations equate two expressions. Variables can take on different values depending on the context, and we can evaluate expressions by substituting values for the variables. https://cdn.kastatic.org/ka-youtube-converted/vDqOoI-4Z6M.mp4/vDqOoI-4Z6M.mp4 415 Interpretar expresiones lineales https://www.khanacademy.org/math/mappers/operations-and-algebraic-thinking-220-223/x261c2cc7:algebraic-equations-basics/e/identify-equations--expressions--and-inequalities 2026-04-08T01:15:04.085520103Z Identify equations, expressions, and inequalities Identify whether a math phrase is an equation, an expression, or an inequality. Lindsay exercise