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.

20___10
31___
10___8
145___
1210___
101___
18___15
20___18
9___5
5___1
1816___
3___2
81___
32___
8___6
20___16
2___1
51___
17___3
21___
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