Lesson plan

# 3. Evaluate numerical expressions (FP)

teaches Common Core State Standards CCSS.Math.Content.5.OA.A.1 http://corestandards.org/Math/Content/5/OA/A/1
teaches Common Core State Standards CCSS.Math.Practice.MP6 http://corestandards.org/Math/Practice/MP6

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Lesson objective: Evaluate numerical expressions using the order of operations.

This lesson helps to build the procedural skill of evaluating expressions. Tables are used here because they help students organize their thinking so evaluating is done one step at a time. This work develops students' understanding that expressions have a specific order in which they must be evaluated.

Students engage in Mathematical Practice 6 (attend to precision) as they learn how the order of operations can have an effect on the outcome of an expression and use the order of operations correctly to get accurate mathematical results.

Key vocabulary:

• numerical expressions
• evaluate

Special materials needed:

• highlighter
• order of operations chart