You start with 10 seconds to solve as many problems as you can; correct answers add time and incorrect answers take away time. If you are looking for a learning tool that is not timed or is more slow paced, then this may not be the right app for you. Features - Solve basic math problems, quick! - Fun and challenging - Brain training goodness - Sharpen your mind and reflexes - Continuous game-play for hours of math fun! Other Apps: - Tap Tip - Tax Me - Budget Saved - Flaming Ferret - Line Soccer