NumeriKill - Free

Do math by KILLING YOUR ANSWERS! (All the same features as the paid version)

Might be a bit difficult for toddlers but great for kids just starting school ie truly "preschool" kids!

This is an ugly little math game, based on asteroid, where the questions never stop and neither do the answers. (i.e. the answers are chasing you!)

Pick from addition, subtraction, multiplication or division and keep a running tally of your scores over time.

Parents: Password protect the options so your kids can't give themselves easy questions.

Recommend a dual core phone for best performance.