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___13
___72
15___12
31___
10___4
13___8
18___7
21___
___614
___116
7___6
8___1
___510
___12
14___7
19___14
86___
9___8
___133
1412___
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