Learn your Math facts with NumberWhiz Flash Cards. Do away with piles of worn and torn Math cards. Missing cards? Not with NumberWhiz! With an extremely simple and intuitive design, kids just know how to use it and can start practicing addition, subtraction, multiplication and division immediately. Set the maximum operand value for use by kids of different age/grade levels.
NumberWhiz mimics traditional Math flash cards. But no more shuffling cards. NumberWhiz presents completely random Math questions each time.
This version is ad-free.