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Unit 3 - Lesson 7 - Grade 3: Illustrative Mathematics

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Last updated 2 months ago
14 Questions
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Grade 3 Unit 3
Lesson 7: Subtract Your Way
CC BY 2021 Illustrative Mathematics®
Grade 3 Unit 3
Lesson 7: Subtract Your Way
CC BY 2021 Illustrative Mathematics®
Lesson: Subtract Your Way

Number Talk: Subtract Two-Digit Numbers (Warm Up)

Find the value of each expression mentally.
1.

50 - 10

2.

58 - 10

3.

258 - 20

4.

258 - 24

Strategies to Subtract

5.

Find the value of each difference in any way that makes sense to you.

Explain or show your reasoning.

428 - 213

6.

Find the value of each difference in any way that makes sense to you.

Explain or show your reasoning.

505 - 398

7.

Find the value of each difference in any way that makes sense to you.

Explain or show your reasoning.

394 - 127

Base-ten Drawings

Jada and Han made drawings to show how they used base-ten blocks to find the value of 262 - 135.

Their drawings are shown.


8.

How are their drawings alike?

9.

How are their drawings different?

10.

Here are three expressions, followed by three diagrams. Match each expression to the diagram that represents it.

11.

Find the value of the expression.

252 - 181

12.

Find the value of the expression.

262 - 135

13.

Find the value of the expression.

252 - 132

Cool Down: Subtract within 1,000
14.

Find the value of 372 - 158. Explain or show your reasoning.