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.

13___2
___12
8___1
173___
9___1
9___1
2___1
21___
10___9
___21
64___
1211___
12___9
137___
32___
___810
81___
19___6
5___1
85___
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