Teaching your child to subtract is one of the most critical mental exercises and valuable pieces of knowledge they will receive in their lifetime. This app allows youngsters to run through addition during the hectic on-the-go modern lifetstyle. The flash cards subtract numbers from the range 1-12. Over 150 flash cards! Good Luck.
||Compatible with iPod Touch (3rd generation or later, iPhone 3Gs, iPhone 4, iPad. iTunes account required.