This is a computerized interactive math program to help students learn to accurately combine signed numbers.
A turtle and a rabbit are having a race to see who can finish the marathon first. The user is the turtle and the computer is the rabbit.
When you get one right the turtle takes a turtle step toward the finish line. When you get one wrong, the rabbit takes a giant rabbit hop toward the finish line. Everyone can finish.
It can be used as assessment because at the end of the race, t