addition
subtraction
multiplcation
division
problems

100

11
What is 5 + 6 =

100

5
What is 12 - 7=

200

15
What is 8 + 7 =

200

3
What is 5 - 2=

300

3
What is 6 - 3 =

300

1
What is 3 - n=2

400

7
What is 5 + 2 =

500

4
What is 2 + 2