Number Bonds
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2
3
4
5
6
7
8
9
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1 + 1 = 2
1 + 2 = 3
2 + 1 = 3
1 + 3 = 4
2 + 2 = 4
3 + 1 = 4
1 + 4 = 5
2 + 3 = 5
3 + 2 = 5