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.

1210___
20___12
___312
12___3
106___
19___18
20___1
43___
19___13
___64
___145
18___15
10___4
137___
___110
___33
21___
___62
___88
51___
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