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Unit 8 - Lesson 3 - Grade 5: Ulustrative Mathematics

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Grade 5 Unit 8
Lesson 3: Factors as a Factor in Our Strategy Choice
CC BY 2021 Illustrative Mathematics®
Grade 5 Unit 8
Lesson 3: Factors as a Factor in Our Strategy Choice
CC BY 2021 Illustrative Mathematics®
Lesson: Factors as a Factor in Our Strategy Choice

Number Talk: Increasing Factors (Warm Up)

Find the value of each expression mentally.
1.

230 x 10

2.

230 x 12

3.

230 x 15

4.

232 x 15

Choose a Multiplication Strategy

Find the value of each expression. Explain or show your reasoning.
5.

14 x 3

6.

14 x 101

7.

14 x 25

8.

14 x 9

9.

14 x 136

Compare Strategies

Find the value of each expression.
10.

29 x 7

11.

12 x 45

12.

15 x 199

13.

24 x 154

Cool Down: Reflect on Multiplication
14.

Describe something new, interesting, or challenging you learned today about multiplication.