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___11
___132
20___13
___21
81___
___46
1816___
181___
___115
21___
118___
21___
7___4
12___8
74___
16___3
___73
2___1
5___4
16___9
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