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___12
1513___
___11
___43
4___2
7___6
8___6
___38
71___
5___3
10___6
___88
19___13
61___
___64
___81
12___1
64___
63___
15___14
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