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___
21___
81___
21___
21___
___510
___17
129___
1615___
19___11
18___12
16___13
1715___
___28
2___1
19___2
107___
11___3
___19
18___2
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