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.

11___7
178___
1810___
207___
___414
4___3
___21
___13
137___
17___3
4___1
123___
1312___
9___7
2___1
___12
189___
145___
___89
43___
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