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.

5___3
4___3
___21
31___
___42
___103
19___1
143___
___511
6___3
203___
209___
117___
63___
122___
5___3
32___
155___
13___3
13___9
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