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.

21___
121___
114___
71___
20___18
51___
1917___
9___4
12___7
6___3
5___4
5___4
___38
65___
117___
1613___
10___7
52___
108___
21___
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