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.

12___11
4___3
3___1
17___5
___811
3___2
43___
1312___
21___
___103
17___9
8___7
8___7
9___3
___68
128___
2___1
___11
42___
138___
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