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.

42___
20___7
16___6
2___1
14___8
17___13
145___
16___8
___13
51___
17___16
21___
4___1
105___
103___
42___
13___5
63___
135___
2___1
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