What's NewHigh Score Function
App DescriptionTest your Subtraction speed! Compete for the highest score or use the practice mode learn your Subtraction facts.
3 Skill Levels. (Easy is designed for grades 1 - 2, Medium is designed for grades 2 -3, Hard is designed for any student who wants a challenge.
Timer that adjusts time based on chosen difficulty.
Practice Mode to learn your facts with adjustable number size.
January 29, 2014 Price Decrease: $0.99 -> FREE!
March 13, 2013 New version 2.0
February 26, 2013 Initial Release