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.

10___3
20___18
___63
11___9
___135
102___
20___13
___38
16___15
8___6
4___3
___11
___413
17___14
10___2
21___
4___1
___18
15___4
61___
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