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.

20___11
154___
___51
1715___
175___
5___1
___513
13___11
1510___
109___
1610___
18___10
64___
86___
___91
21___
81___
21___
1711___
___171
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