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.

___19
109___
7___4
4___2
9___4
3___2
51___
107___
___23
___106
___89
15___6
___12
12___11
1916___
1712___
___211
21___
1713___
___15
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