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___11
21___
16___15
___510
20___9
1916___
117___
12___11
96___
___163
___38
11___10
8___1
104___
18___12
10___7
17___8
___510
1711___
1911___
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