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.

21___
___33
20___16
___61
42___
106___
1817___
5___4
1913___
___41
___97
___64
1311___
51___
1311___
___16
___21
32___
63___
21___
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