For the smallest visitors of our site, we present a new online game Math Mastermind. Before you on the screen will be seen the game field on which a mathematical equation will appear. You will have to carefully examine him. There will be no number in the equation. You will have to determine what. Then, from the list of numbers under the equation, you choose the answer with a click of the mouse. If it is given correctly, then in the game Math Mastermind will be charged points and you will move on to the solution of the next equation. If the answer is given incorrectly, then you will fail the passage of the level.