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___6
___18
12___2
21___
41___
___135
16___5
___53
20___15
9___2
2___1
81___
20___4
3___2
8___7
17___9
43___
17___1
8___1
5___2
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