Insane Math
Insane Math is a children's math simulator that invites you to practice solving examples against the clock. Click "Play" to get started. An addition example is written at the top of the screen. There are 6 possible answers below. You have 20 seconds to solve the problem. Quickly count in your mind and choose an answer. If you make a mistake, the round will be lost. It's OK. Start again. So training, you will gradually improve your results. Your tasks are recorded on a scale in the upper left corner.