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6-8 Grade 6 Unit 4 Lesson 10

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K-5 Math •6-8 Math 9-12 Math

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Unit 1 Unit 2 Unit 3 •Unit 4 Unit 5 Unit 6 Unit 7 Unit 8 Unit 9

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Lesson 1 Lesson 2 Lesson 3 Lesson 4 Lesson 5 Lesson 6 Lesson 7 Lesson 8 Lesson 9 •Lesson 10 Lesson 11 Lesson 12 Lesson 13 Lesson 14 Lesson 15 Lesson 16 Lesson 17

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Unit 4, Lesson 10

Dividing by Unit and Non-Unit Fractions

Grade 6

Preparation

Lesson Narrative

In this lesson, students begin by using tape diagrams to recall and visualize two ideas from grade 5:

Dividing by a whole number has the same outcome as multiplying by the unit fraction .
Dividing by a unit fraction has the same outcome as multiplying by the whole number .

They apply the second idea to find the value of other expressions of the form