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.

21___
86___
___25
1715___
109___
5___4
___16
9___3
161___
___11
15___3
81___
___145
___61
___141
___161
64___
52___
11___2
___213
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