Lesson: Adding Mixed Numbers: Denominators Are Multiples Mathematics • 5th Grade

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In this lesson, we will learn how to add two mixed numbers whose denominators are multiples of the same number by either partitioning the numbers or converting them to improper fractions.

Lesson Plan

Students will be able to

  • add two mixed numbers when the denominator of one is a multiple of the denominator of the other,
  • represent calculations with models including bar models,
  • add mixed numbers by adding the wholes then adding the parts,
  • add mixed numbers by converting to improper fractions.

Lesson Playlist

  • Solving Word Problems by Adding Mixed Numbers and Fractions
    04:08
  • Solving Word Problems by Adding Two Mixed Numbers
    04:01

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