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___
1713___
11___5
52___
7___1
13___6
9___1
___21
20___5
143___
17___13
18___14
151___
137___
1811___
1310___
11___9
83___
184___
___106
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