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.

12___7
32___
20___18
1810___
133___
86___
___42
15___5
___74
43___
6___3
21___
15___12
17___5
52___
18___7
11___7
20___11
1611___
___210
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