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15 Cards in this Set

  • Front
  • Back
  • 3rd side (hint)
1 + 1 = __
2
2 + 2 = __
4
3 + 3 = __
6
4 + 4 = __
8
5 + 5 = __
10
6 + 6 = __
12
7 + 7 = __
14
8 + 8 = __
16
9 + 9 = __
18
10 + 10 = __
20
1(0) + 1(0) = __(0)
11 + 11 = __
22
10 + 10 and 1 + 1
12 + 12 = __
24
10 + 10 and 2 + 2
13 + 13 = __
26
10 + 10 and 3 + 3
14 + 14 = __
28
10 + 10 and 4 + 4
15 + 15 = __
30
10 + 10 and 5 + 5