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.

2010___
___45
___74
178___
___78
20___17
19___8
20___7
___21
9___4
32___
11___5
207___
___97
5___3
___131
___72
6___5
___73
91___
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