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.

18___17
___26
10___1
13___3
63___
107___
12___2
___14
71___
9___2
8___4
___89
13___7
42___
12___10
31___
___315
___27
___215
11___10
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