G1 U9 L11 HW

Name: ____________________________ Date: ______________________________

Directions: Review.

 Write the equation 8 – 4 =. Use the count back strategy to find the difference.

2. Write the equation 13 – 5 =. Use the number line to find the difference.

0

1

2

3

4

5

6

7

8

9

10

11 12 13 14 15 16

 Write the equation 17 - 8 =. Use the unknown addend strategy to find the difference. Write the addition equation you would use.

+

=

4. Write the equation 14 - 7 =. Find the difference using one of the previous strategies.

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Grade 1 Unit 9 GMT 1 HW