Lesson Plan: Multiplying Mixed Numbers by Whole Numbers Mathematics • 4th Grade

This lesson plan includes the objectives, prerequisites, and exclusions of the lesson teaching students how to use various strategies to multiply a mixed number by a whole number.


Students will be able to

  • use models to multiply mixed numbers by whole numbers,
  • multiply mixed numbers by decomposing them into whole number parts and fractions,
  • multiply mixed numbers by converting them into improper fractions,
  • solve word problems involving multiplying mixed numbers by whole numbers.


Students should already be familiar with

  • adding mixed numbers,
  • decomposing mixed numbers into parts and wholes.


Students will not cover

  • multiplying fractions by fractions.

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