https://www.khanacademy.org/math/cc-fifth-grade-math/imp-algebraic-thinking/imp-writing-expressions/v/constructing-numerical-expressions-example 2023-03-27T01:41:37.333668425Z Constructing numerical expressions Sometimes, we don't need to solve an equation right away. Instead, we can use the information in a given word problem to construct a numerical expression that represents the information. Sal Khan video https://cdn.kastatic.org/googleusercontent/EfQa7aSxoxI3QWqymFDwOMv-zKgdt2RQYFYbJgumzk7NJjErS30N_ktuMbhfsnrZ0vLLm4BBEi4lpwu77XdkMm3G Constructing numerical expressions Sometimes, we don't need to solve an equation right away. Instead, we can use the information in a given word problem to construct a numerical expression that represents the information. https://cdn.kastatic.org/ka-youtube-converted/arY-EUZDNfk.mp4/arY-EUZDNfk.mp4 82 Writing expressions https://www.khanacademy.org/math/cc-fifth-grade-math/imp-algebraic-thinking/imp-writing-expressions/v/evaluating-an-expression-with-and-without-parentheses 2023-07-24T13:48:13.07161686Z Evaluating expressions with & without parentheses Explore the concept of order of operations, emphasizing the importance of parentheses in mathematical expressions.Learn how the placement of parentheses can drastically change the outcome of an expression, highlighting the need to follow the correct sequence: parentheses, multiplication and division, then addition and subtraction. Sal Khan video https://cdn.kastatic.org/googleusercontent/7M2ecybRuNDDv9Ib_YKGdVm1HHBevhIVH4F0nNCVPuf8hk8CUWmz4dLJy-0PPcrYs6NWm32NY3A6W7jcFD3O6k_s Evaluating expressions with & without parentheses Explore the concept of order of operations, emphasizing the importance of parentheses in mathematical expressions.Learn how the placement of parentheses can drastically change the outcome of an expression, highlighting the need to follow the correct sequence: parentheses, multiplication and division, then addition and subtraction. https://cdn.kastatic.org/ka-youtube-converted/-rxUip6Ulnw.mp4/-rxUip6Ulnw.mp4 126 Writing expressions https://www.khanacademy.org/math/cc-fifth-grade-math/imp-algebraic-thinking/imp-writing-expressions/e/expressions-with-parentheses 2026-06-16T18:43:39.707695027Z Evaluate expressions with parentheses Evaluate multi-step expressions with parentheses.  Place parentheses in an expression to make the expression equivalent to a given number. Matthew Evans exercise https://www.khanacademy.org/math/cc-fifth-grade-math/imp-algebraic-thinking/imp-writing-expressions/v/translating-expressions-with-parentheses 2023-07-24T13:48:13.07161686Z Translating expressions with parentheses Dive into the world of writing mathematical expressions from verbal statements. Understand the importance of parentheses in expressions, and how they can change the meaning of calculations. video https://cdn.kastatic.org/googleusercontent/id7-gtWnMoYZz-X3sT1PsELLcQxYJpvrD5ZFLq1GOpLThFHluu9-C-EHBqnfg4920elzACjK7YJ4SZw8n0zKHF7r Translating expressions with parentheses Dive into the world of writing mathematical expressions from verbal statements. Understand the importance of parentheses in expressions, and how they can change the meaning of calculations. https://cdn.kastatic.org/ka-youtube-converted/ypxHVqE26gI.mp4/ypxHVqE26gI.mp4 551 Writing expressions https://www.khanacademy.org/math/cc-fifth-grade-math/imp-algebraic-thinking/imp-writing-expressions/e/creating-expressions-with-parenthesis 2026-05-01T18:40:51.669398128Z Create expressions with parentheses Practice creating expressions with parentheses from real-world contexts. Lindsay exercise