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.

42___
11___4
12___10
___21
21___
9___5
19___10
116___
1210___
125___
15___7
___74
3___1
6___2
___210
109___
15___13
18___4
6___1
___77
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