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Adding
Subtracting
Surprise
Multiplying
Dividing
100

(1/2) + (2/2)

What is (3/2) or 1 and 1/2?

100

5.2 - (-3.1)

What is 8.3?

100

-3.2 + -5.9

What is -9.1?

100

-(4/8) * (2/5) 

What is -8/40 or -1/5? 

100

(12.4)/(2.0)

What is 6.2?

200

5.43 + 9.12

What is 14.55?

200
(9/10) - (3/10) 
What is 6/10 or 3/5?
200

-1/2 + 5.87

What is 5.37?

200

3.2 * -4.8

What is -15.36?

200

(4/6) / (2/8) 

What is 32/12 or 2 and 2/3?

300

(-3/9) + (5/-9)

What is -8/9?

300

10.30 - 2.40

What is 7.90?
300

(15/3) / -(7/2)

What is -30/21 or -10/7 or -1 3/7?

300

(3/9) * (8/10) 

What is 24/90 or 4/15? 

300

-20.24 / 4.6

What is -4.4?

400

-80.27 + -10.6

What is -90.87?

400

-(4/5) - (-3/10)

What is -5/10 or -1/2?

400

(4 and 1/2) + (2.6) - (6.1)

What is 1?

400

-5.81 * -3.7

What is 21.497?

400
(3/4) / (2/5)

What is 15/8 or 1 and 7/8?

500

(11/20) + (3/5) + (2/4)

What is 33/20 or 1 and 13/20? 

500

-12.874 - 4.42

What is -17.294?

500

(8/10) - (3.6) + (3 and 1/2)

What is 0.7?

500

(10/15) * (4/2) 

What is 40/30 or 4/3 or 1 and 1/3?

500

-12.489 / -5.43

What is 2.3?