Math Quiz play online

This is math quiz game to practice basic math operations.
In this app, we focus on multiply, division, subtraction and addition operation.
It contains simple question like 8x3=?, 13+6=?, 18-4=?, 20/5=?, and so on.
We divide it into several levels, increase level will increase number to calculate.

How to play?
1. Select math operator
2. Click start.
3. Question will display on top of screen.
4. Click any button number and than click Enter to answer.
5. After that, the results will be displayed on the screen.
6. If correct answer, thumb up will display a while, If wrong, the correct answer will be displayed for a while.
7. After that, new question is coming.