Math Clacker-mental arithmetic

心算成人和兒童免費。

Mental arithmetic for adults and children for free.

Improve your skill in mental arithmetic or practise together with your child the 4 important arithmetic operators. ( addition, subtraction, multiplication and division )

Sanbox mode:

Set up the range of numbers, the arithmetic operator and the number of decimal places to get the best learn experience.

Highscore mode with 3 difficulty:

Solve as many tasks in 90 seconds to get as much points as possible.

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-the four basic arithmetic operators: addition, subtraction, multiplication and division

-set up the game in the way you like

-game statistics

-two different game modes: sandbox / highscore mode

-graphics optimized for big displays

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