Number Bonds Worksheet

Fill in the missing numbers to complete each number bond. The two parts at the bottom add up to the whole number at the top.

12___7
___23
___53
14___4
32___
43___
21___
138___
4___1
9___6
15___7
12___6
___71
97___
21___
54___
15___13
17___12
1715___
___72
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