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.

2___1
16___4
20___16
___415
___415
1312___
31___
5___1
17___14
1311___
___33
117___
15___10
21___
18___1
6___3
115___
10___6
20___4
1813___
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