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Unit 9 - Lesson 5 - Grade 2: Illustrative Mathematics

Last updated 9 months ago
12 questions
Note from the author:
Grade 2 Unit 9
Lesson 5: Compose and Decompose Numbers Within 1,000
CC BY 2021 Illustrative Mathematics®
Grade 2 Unit 9
Lesson 5: Compose and Decompose Numbers Within 1,000
CC BY 2021 Illustrative Mathematics®
Lesson: Compose and Decompose Numbers Within 1,000

What Do You Know About 308? (Warm Up)

1

What do you know about 308?

How Many Did You Get?

Start with 2 hundreds. Grab a handful of tens and of ones.
1

What number do your base-ten blocks represent?

1

Represent the same number in another way. Show your thinking using diagrams, symbols, or other representations.

Combine your blocks with your partner’s blocks.
1

What number do your base-ten blocks represent?

1

Represent the same number in another way. Show your thinking using diagrams, symbols, or
other representations.

1

Represent your group’s number without hundred.

1

Represent your group’s number without tens.

1

Represent your group’s number without hundred or tens.

Let Me Count the Ways

1

Represent 356 in at least 3 different ways. Show your thinking using diagrams, symbols, or other representations.

1

Create a poster with your group to show 356 in different ways.

Cool Down: Two Hundred Sixty-Three
1

Circle the representations that show 263.

1

Represent 263 in a different way.