Math

addition

100

7+10

17

200

23+27?

50

subtraction

100

10-7?

3

200

29-18?

11

multiplication

100

5.2?

10

200

5.3?

15

exponent

100

2²?

4

200

5²?

25

estimate

100

3+28?

I said estimate 30

200

12-3

I said estimate 10