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.

51___
1512___
16___7
2___1
8___5
19___13
8___1
___15
___114
___216
18___12
15___4
___72
17___12
___112
21___
64___
2___1
13___11
10___9
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