Lesson plan

Represent real-life situations by using expressions

teaches Common Core State Standards CCSS.Math.Content.5.OA.A.1 http://corestandards.org/Math/Content/5/OA/A/1

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Big Ideas: Real-life situations can be represented with mathematical expressions. When evaluating an expression you need to follow the order of operations to determine the correct value. Knowledge of operations and algebraic thinking allows students to add, subtract, multiply and divide to evaluate expressions and equations in math. Students should understand that an expression can be used to represent real-life situations. This requires an understanding of the order of operations; the real-life situations must make sense and the expression must be evaluated correctly. This understanding prepares students for Algebra, and solving for unknown variables. Vocabulary: expression, equation, product, sum, difference, quotient, table, parentheses Special Materials: Response Boards