Number Bond Families

Name: _______________________________

Date: _______________________________

Instructions: For each number bond, write all four related facts (2 addition and 2 subtraction).

10

6

4

6 + 4 = ______

4 + 6 = ______

10 - 6 = ______

10 - 4 = ______

15

8

7

8 + 7 = ______

7 + 8 = ______

15 - 8 = ______

15 - 7 = ______

12

5

7

5 + 7 = ______

7 + 5 = ______

12 - 5 = ______

12 - 7 = ______

20

12

8

12 + 8 = ______

8 + 12 = ______

20 - 12 = ______

20 - 8 = ______