You have 3 seconds to touch the correct answer. The time will be increased to 4 seconds after passing 20 levels.
Amazon Appstore: 1 + 2 = 3: Math Game
Samsung Galaxy Store: 1 + 2 = 3: Math Game
Be aware, the tasks will be easy in the beginning but soon the game will become a challenging and absorbing brainteaser !
Practice math and test your mental skills.
Play, enjoy and have fun !