Practice arithmetic skills with Tetris reward The MaTris application was designed to be a nice program for practicing the basic operations of arithmetic.

The calculation method is preselectable. It includes simple counting exercises, addition with symbols, addition/subtraction with different number ranges, and multiplication/division with defined factors.

One can thus train different learning skills. A solution button shows the correct result; optional sound effects provide audio feedback. After solution of a predefined number or time of exercises, the child may play a tetris-like game.

Limitations: