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.

43___
21___
16___15
___135
8___4
182___
54___
20___4
129___
103___
5___1
5___2
17___12
10___4
173___
54___
20___3
6___5
___612
18___13
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