You can play this math quiz video game for .
Fundamental rules
Answer as many math questions as possible. They are all simple right or wrong questions.
The question takes the form of an equation, which may or may not be true.
Specify True if the equation is true, and false if otherwise.
The equations are either addition and subtraction. They may contain negative numbers as well.
You have a brief period of time to answer the question.
Make one mistake or run out of time, however, the game ends. Record each of your correct answers wins a point. Your high score will be displayed on the welcome screen.