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.

5___2
11___7
123___
2___1
15___13
21___
10___9
___118
1310___
31___
17___5
164___
19___17
123___
17___8
5___1
4___2
___712
144___
20___4
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