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.

16___5
17___11
73___
18___10
1510___
147___
___38
1110___
1917___
___143
___121
18___4
19___7
86___
___21
42___
___145
2___1
13___7
81___
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