Lesson: Using Properties of Addition to Add Decimal Numbers Mathematics • 5th Grade

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In this lesson, we will learn how to use mental strategies including applying the commutative and associative properties to add three or more decimal numbers with up to two decimal places.

Lesson Plan

Students will be able to

  • apply the commutative property to add 3 or 4 decimal numbers,
  • apply the associative property to add 3 or 4 decimal numbers,
  • use the properties of addition to solve simple word problems.

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