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.

___81
20___3
15___5
___13
10___5
15___4
20___17
___414
32___
151___
___58
136___
3___2
21___
6___1
11___3
___414
145___
9___7
16___15
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