Addition, Subtraction, Mulitplication and Division.
 
4 - 1 = 3 x 1 =
9 - 3 = 8 - 8 =
18 - 10 = 11 - 2 =
5 ÷ 5 = 3 - 1 =
13 - 9 = 17 - 9 =
1 ÷ 1 = 17 - 9 =
2 ÷ 1 = 9 x 3 =
0 x 9 = 20 ÷ 5 =
5 x 6 = 5 - 3 =
4 ÷ 2 = 11 - 6 =
11 - 2 = 9 + 5 =
13 - 4 = 18 - 10 =
9 - 3 = 8 + 0 =
7 + 2 = 2 x 3 =
24 ÷ 6 = 16 - 8 =
7 + 1 = 8 ÷ 1 =
8 - 1 = 5 ÷ 5 =
10 - 0 = 0 x 1 =
7 - 7 = 64 ÷ 8 =
20 ÷ 5 = 2 x 4 =
17 - 9 = 21 ÷ 3 =
3 x 0 = 7 x 1 =
7 x 0 = 54 ÷ 9 =
14 - 10 = 4 + 11 =
12 - 3 = 1 x 6 =