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.

51___
19___15
20___14
6___4
21___
143___
113___
___54
112___
___41
___83
___181
52___
204___
151___
81___
113___
185___
21___
20___18
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