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Unit 7 - Lesson 7 - Grade 2: Illustrative Mathematics

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Grade 2 Unit 7

Lesson 7: Compose a Larger Unit

CC BY 2021 Illustrative Mathematics®

Grade 2 Unit 7

Lesson 7: Compose a Larger Unit

CC BY 2021 Illustrative Mathematics®

Lesson: Compose a Larger Unit

How Many Do You See: Are They the Same? (Warm Up)

Compose a Ten or a Hundred

Walk About and Add

Directions:

  • Find a partner and record your numbers to make an expression.

  • Discuss if you think you would need to compose a ten or a hundred when adding your numbers.

  • Find the value of the sum. Show your thinking.

Cool Down: Make a Ten? Make a Hundred?
1

1
Pitanje 1
1.

How many do you see?

1
Pitanje 2
2.

How do you see them?

Find the value of each expression. Show your thinking. Use base-ten blocks if it helps.

1
Pitanje 3
3.

1
Pitanje 4
4.

Compare your thinking with your partner.

Trial 1

1
Pitanje 5
5.

+

1
Pitanje 6
6.

Will you need to compose a ten?

1
1
Pitanje 8
8.

Find the value of the sum. Show your thinking.

Trial 2

1
Pitanje 9
9.

+

1
Pitanje 10
10.

Will you need to compose a ten?

1
1
Pitanje 12
12.

Find the value of the sum. Show your thinking.

Trial 3

1
Pitanje 13
13.

+

1
Pitanje 14
14.

Will you need to compose a ten?

1
1
Pitanje 16
16.

Find the value of the sum. Show your thinking.

Pitanje 17
17.

Find the value of 354 + 75.

Show your thinking. Use base-ten blocks if it helps.

Pitanje 7
7.

Will you need to compose a hundred?

Pitanje 11
11.

Will you need to compose a hundred?

Pitanje 15
15.

Will you need to compose a hundred?