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.

31___
___415
16___9
14___1
32___
20___8
20___6
21___
___57
53___
20___16
83___
139___
9___5
1411___
10___4
21___
1918___
9___1
32___
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