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.

20___15
139___
___217
65___
106___
___312
4___3
7___1
17___7
144___
___104
4___2
21___
16___12
52___
___101
1611___
1811___
42___
65___
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