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.

21___
51___
81___
11___4
64___
___141
4___1
___11
138___
2___1
___210
4___2
___611
15___7
___11
11___7
1510___
6___4
17___2
19___6
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