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.

___310
___515
___43
___21
___51
17___6
10___8
159___
21___
148___
5___4
74___
___171
84___
20___18
___84
101___
3___1
___42
91___
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