MathRapid is an entertaining game of mental arithmetic in which you solve mathematical operations in the shortest time possible. It is free and in Spanish. MathRapid arithmetic operations (addition, subtraction, division and multiplication) are falling from the top of the screen. If they hit the sea, the water level rises and increases the difficulty. To resolve MathRapid operations, simply enter the result. Sometimes you can even solve more than one typing a single result. MathRapid not only an ideal game for kids to go over the basic mathematical operations, but also suitable for adults who take too long using the calculator. What is your record? It is an entertaining way so that the kids revisit the basic mathematical operations, but also serve as training in mental calculation for the elderly. Train your mind with this game of mental calculation, valid from 5 years old to infinity and beyond.