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.

51___
13___7
1817___
16___12
12___9
20___9
___35
8___7
21___
___17
86___
4___1
___213
___42
17___9
85___
19___5
15___7
18___16
___11
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