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.

2___1
18___11
128___
3___1
138___
___41
___42
86___
117___
___172
5___3
13___7
___410
___11
11___9
___17
14___13
___146
___13
8___7
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