Instructions:
1. If you spend more than 8 seconds on a question the timer will blink.
2. Click the answer, when it is highlighted, you don't need to click the select dot.
3. There is an unlimited amount of question you can do.
4. You have 8 practice minutes, but you can stop earlier and get the results by pressing FINISH.
5. Don't worry, if a question takes a lot of time to load, the timer is paused.

Please select your testing patterns:

Float numbers:
a + b
a - b
a * b
a / x

Fractions:
a/d
x/d * y/e
x/d + y/e
x/d - y/e
x/d / y/e

Range of numbers:
a,b: 1-100
d,e: 2,3,4,5,6,7,8,9,11,13,15
x,y: 1-30

Press the button to start: