Show:
Addition
Subtraction
Division
Multiplication
100

2+2

what is 4?

100

10-10

what is 0?

100

4/4

what is 1?

100

2x1

what is 2?

200

4+3

what is 7?

200

42-2

what is 40?

200

10/5

what is 2?

200

3x3

what is 9?

300

8+10

what is 18?

300

50-25

what is 25?

300

50/10

what is 5?

300

4x10

what is 40?

400

10+20

what is 30?

400

12-6

what is 6?

400

77/11

what is 7?

400

14x2

what is 28?

500

11+6+3

what is 20?

500

150-25-5

what is 120?

500

120/12

10

500

25x3

what is 75?