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.

42___
1911___
199___
___515
15___13
8___7
10___2
126___
61___
16___4
19___7
___512
86___
16___10
2015___
31___
20___1
31___
82___
137___
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