Play game Brain Workout by Illusions Games on this site available for free of cost, please share it with your friends.
About Brain Workout game:
Test your math skills! Solve math examples and try to get among the best players! Choose what you like best: addition, multiplication, subtraction or division.
A game in which you need to solve math problems for some time. The further you advance, the more difficult the tasks and the faster the time goes!