Level 1
level 2
Level 3
Final Level
100

What is 8 - 2 =

6

100

What is 6 - 1 =

5

100

What is 1000 - 500 =

500

200
What is 6 - 4 =

2

300

What is 100 x 10 =

1000

300

What is 64 - 1 + 3 =

66

400

What is 1 - 0 =

1

400

What is 99 - 10 =

89

400

What is 9999 - 9000 =

999

500

What is 8 - 1 =

7

500

What is 5 - 1 =

4
500

What is 9 + 10 =

19