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
11___1
4___1
98___
7___6
21___
1917___
2019___
7___6
1712___
42___
31___
64___
21___
109___
4___1
___33
18___8
1310___
21___
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