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Unit 5 - Lesson 25 - Grade 5: Illustrative Mathematics

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Grade 5 Unit 5
Lesson 25: Divide Decimals by Decimals
CC BY 2021 Illustrative Mathematics
Grade 5 Unit 5
Lesson 25: Divide Decimals by Decimals
CC BY 2021 Illustrative Mathematics
Lesson: Divide Decimals by Decimals

Number Talk: Same/Different (Warm Up)

Find the value of each expression mentally.
1.

2.

3.

4.

Dividing by a Tenth and a Hundredth

Jada drew this diagram to find the value of


5.

Describe how the diagram shows 1.6.

6.

Describe how the diagram shows 16 groups of 1 tenth.

7.

Describe how the diagram shows the value of

8.

Describe how the diagram also represents the expression

9.

Explain how this diagram represents

10.

What is the value of

Explain or show your reasoning.

Divide Decimals by Decimals

Find the value of each expression. Explain or show your reasoning.
11.

12.

13.

14.

15.

16.

Cool Down: Divide by Decimals
17.

Find the value of the expression. Explain or show your reasoning.

18.

Find the value of the expression. Explain or show your reasoning.