What's New

High Score Function
Improved Interface

App Description

Test 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.

App Screen Shots

(click to enlarge)

App Changes

January 29, 2014 Price Decrease: $0.99 -> FREE!
March 13, 2013 New version 2.0
February 26, 2013 Initial Release

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