Subtraction Wiz Educational iPhone App
Great way for your kids to do math subtraction drills.
Practice makes perfect
Let your kid do the drills and have fun at the same time.
Compete with friends and family
Compare scores and speeds. Earn trophies and the coveted golden star.
Track performance
View profile of past performance. Identify weakness for further practice.
World ranking
Check out country ranking and world ranking. Move up the tables!
