How to play Simple Arithmetics.
Point and click the hex that contain the answer for the equation. Observe the simple equation in the upper center rectangle and then click the hex with the correct result. Playing beginner will not restart the level on wrong click.
If you click 2 or 3 hexes in the same time, watch that they do not contain same numbers.
Adopt fast and accurate counting.
Winning the game rewards +1 Knowledge Level
The download version(bottom of the page) include an executable file for Windows OS with local levels only.
Here is a gameplay movie on YouTube.