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.

13___7
___121
20___17
___12
___513
18___17
20___19
19___9
145___
111___
9___6
10___8
18___4
3___1
___122
___21
16___1
135___
9___2
12___7
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