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Math Lessons: Addition
The Number System
0 1 2 3 4 5 6 7 8 9 10
10 = 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1
1 + 1 = 2
2 + 1 = 3
3 + 1 = 4
4 + 1 = 5
5 + 5 = 10
3 + 2 = 5
5 + 2 = 7
3 + 3 = 6
2 + 4 = 6
1 + 5 = 6
0 + 3 = 3
6 + 1 = 7
4 + 2 = 6
5 + 3 = 8
2 + 2 = 4
1 + 6 = 7
0 + 4 = 4
7 + 2 = 9
3 + 5 = 8
4 + 3 = 7
6 + 2 = 8
More to come!
