Replacing Letters with Numbers II

Teach about properties properly. Individuals investigate the commutative and identity properties for both addition and multiplication. They see that the properties hold true for all values by using substitution to test out several examples.

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CCSS: Designed
Instructional Ideas

  • Assign the problem set as homework
Classroom Considerations

  • Builds on work from previous lesson as this is the eighth installment of a 36-part module
  • Teachers will need to reference the module overview page for the fluency exercise

  • Gives examples of area models that help visualize properties
  • Lists question prompts to use with examples and during discussion

  • None
Common Core