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___
12___4
7___5
4___1
18___7
131___
20___1
1910___
21___
___31
___114
119___
14___12
8___5
107___
17___15
___41
127___
9___6
9___8
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