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___
128___
19___18
123___
5___4
52___
17___5
1410___
2___1
9___6
___810
102___
___145
7___4
11___1
16___14
6___3
5___4
3___2
___218
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