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___6
31___
127___
9___4
2010___
___14
13___9
___12
5___3
42___
___45
___112
17___14
19___13
___89
14___7
73___
21___
6___5
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