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.

20___11
20___4
1412___
17___9
___413
1413___
52___
64___
98___
___12
6___5
204___
184___
4___3
1510___
20___15
___171
13___9
135___
1511___
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