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.

18___1
___49
___109
18___11
13___2
21___
20___18
71___
172___
20___6
203___
1810___
10___7
21___
15___7
31___
___131
___32
___11
11___10
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