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.

___25
___43
___72
___81
15___5
18___1
111___
20___13
5___3
20___8
___171
2___1
4___3
11___9
61___
___104
107___
53___
11___7
___21
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