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.

___11
17___12
18___3
21___
___135
208___
114___
___124
___118
16___15
115___
21___
___39
141___
52___
127___
4___1
1915___
12___9
6___5
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