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.

4___1
14___9
1615___
73___
___21
191___
19___11
20___15
103___
74___
___11
___79
14___2
184___
16___9
2011___
117___
21___
85___
2___1
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