Lesson Plan: Addition and Subtraction Expressions and Equations Mathematics

This lesson plan includes the objectives, prerequisites, and exclusions of the lesson teaching students how to write addition and subtraction expressions and number sentences matching models and stories with no unknowns.


Students will be able to

  • define expressions and number sentences,
  • identify expressions and number sentences,
  • write expressions and number sentences in words,
  • write expressions and number sentences from words or a word problem,
  • write the missing operation in number sentences.


Students should already be familiar with

  • adding and subtracting whole numbers up to 1,000.


Students will not cover

  • multiplication and division expressions and number sentences.

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