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.

42___
124___
43___
2___1
18___4
2___1
13___11
1511___
14___7
209___
121___
16___12
21___
1110___
10___4
___11
___312
5___3
72___
1812___
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