Click "next" to start subtraction - 2 flash cards

2 - 2 0
3 - 2 1
4 - 2 2
5 - 2 3
6 - 2 4
7 - 2 5
8 - 2 6
9 - 2 7
10 -2 8
11 - 2 9
12 - 2 10
13 - 2 11