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.

7___3
20___7
___910
63___
17___13
16___5
1310___
19___14
___215
109___
21___
___12
___54
107___
___611
15___12
___31
___21
14___7
15___14
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