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.

17___9
139___
16___6
128___
___23
___19
1716___
17___9
31___
63___
___210
___29
9___4
14___12
107___
31___
4___2
1210___
___21
201___
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