Unit 7 - Lesson 13 - Grade 2: Illustrative Mathematics

Last updated 11 months ago

12 questions

Note from the author:

Grade 2 Unit 7
Lesson 13: Decompose Tens or Hundreds
CC BY 2021 Illustrative Mathematics®

Instructions

Grade 2 Unit 7
Lesson 13: Decompose Tens or Hundreds
CC BY 2021 Illustrative Mathematics®

Lesson: Decompose Tens or Hundreds

Cool Down: More Subtraction

Unit 7 - Lesson 13 - Grade 2: Illustrative Mathematics

Last updated 11 months ago

12 questions

Note from the author:

Grade 2 Unit 7
Lesson 13: Decompose Tens or Hundreds
CC BY 2021 Illustrative Mathematics®

Instructions

Grade 2 Unit 7
Lesson 13: Decompose Tens or Hundreds
CC BY 2021 Illustrative Mathematics®

Lesson: Decompose Tens or Hundreds

Which One Doesn’t Belong: Blocks and Blocks (Warm Up)

Which one doesn’t belong?

Subtract with Base-ten Diagrams

Mai used base-ten blocks to find the value of 336 - 52. Then, she started making a diagram to show her work.

Explain what Mai did in Step 2.

Show what Mai should do next to find the difference.

Write each expression next to the matching diagram.

Find the value of the difference.

244 - 28

Find the value of the difference.

256 - 64

Find the value of the difference.

244 - 64

Decompose a Ten or Hundred

Find the value of each difference. Show your thinking. Try Mai's way for one expression.

245 - 28

352 - 71

Cool Down: More Subtraction

Unit 7 - Lesson 13 - Grade 2: Illustrative Mathematics

Unit 7 - Lesson 13 - Grade 2: Illustrative Mathematics

Which One Doesn’t Belong: Blocks and Blocks (Warm Up)

Which one doesn’t belong?

Subtract with Base-ten Diagrams

Explain what Mai did in Step 2.

Show what Mai should do next to find the difference.

Write each expression next to the matching diagram.

Find the value of the difference.

244 - 28

Find the value of the difference.

256 - 64

Find the value of the difference.

244 - 64

Decompose a Ten or Hundred

245 - 28

352 - 71

Find the value of 519 - 236. Show your thinking.

Which One Doesn’t Belong: Blocks and Blocks (Warm Up)

Which one doesn’t belong?

Subtract with Base-ten Diagrams

Explain what Mai did in Step 2.

Show what Mai should do next to find the difference.

Write each expression next to the matching diagram.

Find the value of the difference.

244 - 28

Find the value of the difference.

256 - 64

Find the value of the difference.

244 - 64

Decompose a Ten or Hundred

245 - 28

352 - 71

364 - 182

293 - 147

Share how you found the value of one of the expressions to your partner. Use the sentence frames to help explain:
“First, I . . .”
“Next, I . . .”
“Then, I . . .”
“Last , I . . .”

Find the value of 519 - 236. Show your thinking.

364 - 182

293 - 147

Share how you found the value of one of the expressions to your partner. Use the sentence frames to help explain:
“First, I . . .”
“Next, I . . .”
“Then, I . . .”
“Last , I . . .”

Unit 7 - Lesson 13 - Grade 2: Illustrative Mathematics

Unit 7 - Lesson 13 - Grade 2: Illustrative Mathematics

Which One Doesn’t Belong: Blocks and Blocks (Warm Up)

Which one doesn’t belong?

Subtract with Base-ten Diagrams

Explain what Mai did in Step 2. Show what Mai should do next to find the difference.

Write each expression next to the matching diagram.

Find the value of the difference.244 - 28

Find the value of the difference.256 - 64

Find the value of the difference.244 - 64

Decompose a Ten or Hundred

245 - 28

352 - 71

Find the value of 519 - 236. Show your thinking.

Which One Doesn’t Belong: Blocks and Blocks (Warm Up)

Which one doesn’t belong?

Subtract with Base-ten Diagrams

Explain what Mai did in Step 2. Show what Mai should do next to find the difference.

Write each expression next to the matching diagram.

Find the value of the difference.244 - 28

Find the value of the difference.256 - 64

Find the value of the difference.244 - 64

Decompose a Ten or Hundred

245 - 28

352 - 71

364 - 182

293 - 147

Share how you found the value of one of the expressions to your partner. Use the sentence frames to help explain:“First, I . . .”“Next, I . . .”“Then, I . . .”“Last , I . . .”

Find the value of 519 - 236. Show your thinking.

364 - 182

293 - 147

Share how you found the value of one of the expressions to your partner. Use the sentence frames to help explain:“First, I . . .”“Next, I . . .”“Then, I . . .”“Last , I . . .”

Explain what Mai did in Step 2.

Show what Mai should do next to find the difference.

Find the value of the difference.

244 - 28

Find the value of the difference.

256 - 64

Find the value of the difference.

244 - 64

Explain what Mai did in Step 2.

Show what Mai should do next to find the difference.

Find the value of the difference.

244 - 28

Find the value of the difference.

256 - 64

Find the value of the difference.

244 - 64

Share how you found the value of one of the expressions to your partner. Use the sentence frames to help explain:
“First, I . . .”
“Next, I . . .”
“Then, I . . .”
“Last , I . . .”

Share how you found the value of one of the expressions to your partner. Use the sentence frames to help explain:
“First, I . . .”
“Next, I . . .”
“Then, I . . .”
“Last , I . . .”