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.

13___9
___11
6___4
___31
53___
73___
54___
83___
4___3
147___
71___
9___4
139___
___13
31___
5___4
16___2
21___
115___
6___1
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