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___15
12___2
21___
19___1
1211___
3___1
21___
115___
10___6
54___
4___1
16___15
8___5
6___5
19___5
4___1
177___
___116
42___
1911___
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