Easy
Intermediate
Advanced
Random 1
Random 2
100

3(9-2)

What is 21?

100

6(5-3)

What is 12?


100

9(10-2)

What is 72? 

100

12(7-2)

What is 60? 

100

20(5-4)

What is 20?



200

0.1(1.5-0.5)

What is 0.1? 

200

0.5(0.21-0.20)

What is 0.005?

200

0.24(0.6-0.52)

What is 0.0192?

200

7.2(0.5-0.03)

What is 3.384?

200

3.2(0.43-0.21)

What is 0.704?

300

1/2(3/4-1/2)

What is 1/8?

300

12/4 (3/5-2/5)

What is 3/5?

300

1/2(3/4 - 4/5)

 What is - 1/40? 

300

4 6/8 ( 3/4 - 7/6)

1 -45/46

300

2 1/4 ( 6/7- 6/3 )

What is 2 -26/-46? 

400

0.25(4/5-0.7)

0.025 or 1/40

500

1/2(0.9-3/4)

0.075 or 3/40