The goal of SpeedMath - Addition and Subtraction is to create an equation, as quickly as possible, from the four digits the computer gives you. You can use addition and subtraction to create your equation, but you are not allowed to rearrange the digits.
You are allowed to select the following:
Type of Game - Choose Single Player to practice SpeedMath. Choose Tournament Play if you want to challenge your classmates!
Length of Game - Single players can choose games consisting of 5, 10 or 15 questions. All tournaments are 10 questions long.