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Lesson Plan

8. Balance equations, Day 1 (FP)

teaches Common Core State Standards CCSS.Math.Content.1.OA.D.7
teaches Common Core State Standards CCSS.Math.Practice.MP1
teaches Common Core State Standards CCSS.Math.Practice.MP2
teaches Common Core State Standards CCSS.Math.Practice.MP4
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Lesson objective: Find numbers or expressions to create equivalent expressions.

This lesson helps to build procedural skill with finding numbers or expressions that have a given value. Balance scales are used here because they support student understanding of balance and equality. This work develops students' understanding that the equals sign means that the expressions on either side have the same value.

Students engage in Mathematical Practice 2 (reason abstractly and quantitatively) as they use the balance scales to create equivalent expressions.

Key vocabulary:

  • balance
  • equal
  • equation
  • expression
  • value

Special materials needed:

  • balance scales (per pair or group)
  • counters
Related content

Appears in

Extending strategies for solving addition and subtraction problems

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