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.

15___5
1211___
13___9
1110___
3___1
21___
___128
___310
64___
16___14
178___
4___2
19___8
104___
___25
19___18
2015___
152___
145___
18___7
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