Math multiplications is a game to practice multiplications tables. It can be used to repeat practice to help memorize the tables. 

The game has an algorithm  of 1000 multiplications. The questions are random so it will never be the same. 

Each time they get a good answer, you  have a blue balls. For each wrong answer, you have a green ball.  Wrong answers are corrected. They can study the tables in the game so it reinforces the memorization. 

Levels are configured so it is easy to practice individual tables :

 tables of 1,2,3,4,5,6,7,8,9,10,20.

 We reinforce reciprocity of multiplications and divisions  by giving some divisions times to time. 

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This game has been tested in classroom. It improves motivation, so kids get better results, practice more. They are more interested about multiplications because they are playing games. They rush to get more gold, and unlock all the levels. When they made all levels, they come  up quickly to  1000 multiplications tables  calculation practice.

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Lets 's look at the game design. It  is based on  a physic engine . Most objects apply force to each other ( magnet, gravity, propulsion, fluid dynamic, kinetic movement...). It uses  the Phone gyroscope to move the player. Also, one gear is used as a  motor, and the other gears are driven by it. The game has  no animation. All is driven by the physic engine. 

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