Want to learn Mental Math? Use this App, it's a great way to become familiar with Mental Math. This App includes training tools for Multiplication 1/10x, Squares Memorization 2/30, Cubes 2/30, and a Multiplication Marathon race 2/20 which consists of 438 problems, if you do not enable hints you can compete with others for a spot on the Leaderboard. If you need a little help, you can enable hints, which will disable the leaderboard for that game, but it will show you every math formula necessary in order to complete the problems using Mental Math. It is recommended that you study using the 1/10x Multiplication tool until you become very familiar using it. For every 2 problems that you can complete within 1 second, you will be awarded 2 "Combo" Points at the end of the Marathon Race, Combos Points, Correct Points, and the Seconds it took you to complete the race will all be calculated in your Final Score.