Unit 3 - Lesson 7 - Grade 3: Illustrative Mathematics

Last updated about 1 year ago

14 questions

Note from the author:

Instructions

Lesson: Subtract Your Way

Cool Down: Subtract within 1,000

Unit 3 - Lesson 7 - Grade 3: Illustrative Mathematics

Last updated about 1 year ago

14 questions

Note from the author:

Grade 3 Unit 3
Lesson 7: Subtract Your Way
CC BY 2021 Illustrative Mathematics®

Instructions

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.

50 - 10

58 - 10

258 - 20

Strategies to Subtract

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

Explain or show your reasoning.

428 - 213

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

Explain or show your reasoning.

505 - 398

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.

How are their drawings alike?

How are their drawings different?

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

Draggable item		Corresponding Item
262 - 135
252 - 132
252 - 181

Find the value of the expression.

252 - 181

Find the value of the expression.

262 - 135

Find the value of the expression.

252 - 132

Cool Down: Subtract within 1,000

Unit 3 - Lesson 7 - Grade 3: Illustrative Mathematics

Unit 3 - Lesson 7 - Grade 3: Illustrative Mathematics

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

50 - 10

58 - 10

258 - 20

Strategies to Subtract

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

Explain or show your reasoning.

428 - 213

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

Explain or show your reasoning.

505 - 398

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

Explain or show your reasoning.

394 - 127

Base-ten Drawings

How are their drawings alike?

How are their drawings different?

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

Find the value of the expression.

252 - 181

Find the value of the expression.

262 - 135

Find the value of the expression.

252 - 132

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

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

50 - 10

58 - 10

258 - 20

258 - 24

Strategies to Subtract

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

Explain or show your reasoning.

428 - 213

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

Explain or show your reasoning.

505 - 398

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

Explain or show your reasoning.

394 - 127

Base-ten Drawings

How are their drawings alike?

How are their drawings different?

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

Find the value of the expression.

252 - 181

Find the value of the expression.

262 - 135

Find the value of the expression.

252 - 132

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

258 - 24

Unit 3 - Lesson 7 - Grade 3: Illustrative Mathematics

Unit 3 - Lesson 7 - Grade 3: Illustrative Mathematics

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

50 - 10

58 - 10

258 - 20

Strategies to Subtract

Find the value of each difference in any way that makes sense to you.Explain or show your reasoning.428 - 213

Find the value of each difference in any way that makes sense to you.Explain or show your reasoning.505 - 398

Find the value of each difference in any way that makes sense to you.Explain or show your reasoning.394 - 127

Base-ten Drawings

How are their drawings alike?

How are their drawings different?

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

Find the value of the expression.252 - 181

Find the value of the expression.262 - 135

Find the value of the expression.252 - 132

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

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

50 - 10

58 - 10

258 - 20

258 - 24

Strategies to Subtract

Find the value of each difference in any way that makes sense to you.Explain or show your reasoning.428 - 213

Find the value of each difference in any way that makes sense to you.Explain or show your reasoning.505 - 398

Find the value of each difference in any way that makes sense to you.Explain or show your reasoning.394 - 127

Base-ten Drawings

How are their drawings alike?

How are their drawings different?

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

Find the value of the expression.252 - 181

Find the value of the expression.262 - 135

Find the value of the expression.252 - 132

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

258 - 24

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

Explain or show your reasoning.

428 - 213

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

Explain or show your reasoning.

505 - 398

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

Explain or show your reasoning.

394 - 127

Find the value of the expression.

252 - 181

Find the value of the expression.

262 - 135

Find the value of the expression.

252 - 132

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

Explain or show your reasoning.

428 - 213

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

Explain or show your reasoning.

505 - 398

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

Explain or show your reasoning.

394 - 127

Find the value of the expression.

252 - 181

Find the value of the expression.

262 - 135

Find the value of the expression.

252 - 132