1 + 2 = 3 math duel is a simple math addition and math subtraction game where 2 persons are competing on the same device. Its equations consist of the numbers 1, 2 and 3 and its result is also 1 or 2 or 3. The screen is divided equally into 2 sections. Each person will answer in his/her own section. Compete with friends and family and win this math duel. It is the math fight. You have 3 seconds to touch the correct answer. The score will be counted for the person who touches the correct answer first. The time will be increased to 4 seconds after passing 20 levels. Be aware, the tasks will be easy in the beginning but soon the game will become a challenging and absorbing brainteaser ! Practice math and improve your mental skills with this fun educational math game. Play, enjoy and have fun !