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.

1510___
72___
___23
15___11
18___5
98___
6___1
51___
91___
4___2
___39
___413
17___9
___71
148___
9___3
10___8
149___
2___1
31___
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