MEGA Subtraction 1-100 LITE makes developing strong math skills fun. Play games, win stars, collect stickers and put them in your treasure chest! ••• FEATURES • Learn subtraction easily • Win stars • Collect stickers • Beautiful and fun graphics • Column and row formatted questions • Game history statistics • For kids and adults of any age ••• FUN & EFFICIENT You can easily check on the progress through the game history menu. See how many questions has gotten correct and how many wrong. The app will analyze the errors and wins and gradually increase the difficulty of the problems. ••• FREE VERSION This is the free version of MEGA Subtraction 1-100. Some settings and prizes are locked. You can easily unlock all features via an in-app purchase. If you would prefer an app without in-app purchases, please consider downloading the paid version: MEGA Subtraction 1-100.