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.

20___10
___131
___13
___79
1512___
168___
153___
4___2
161___
___161
145___
209___
4___3
31___
102___
74___
1612___
1310___
102___
9___7
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