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___
15___5
86___
173___
___23
31___
13___1
83___
___51
1713___
16___7
11___7
117___
19___11
___25
3___2
53___
181___
18___4
___43
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