G1 U11 L17 HW

Name: ____________________________ Date: ______________________________

Directions: Review. 1. Find the difference. Prove your answer.

80 – 40 = ____ 2. Find the sum. Prove your answer.

25 + 7

3. Find the difference. Prove your answer.

31 - 20 4. Find the sum. Prove your answer.

36 + 29

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Grade 1 Unit 11 Lesson 17 GMT HW