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.

iPhone Screenshots

(click to enlarge)

Subtraction Shout Out screenshot 1 Subtraction Shout Out screenshot 2 Subtraction Shout Out screenshot 3 Subtraction Shout Out screenshot 4

App Changes

  • February 26, 2013 Initial release
  • March 08, 2013 New version 2.0
  • January 10, 2014 Price decrease: $0.99 -> FREE!
  • August 26, 2014 Price increase: FREE! -> $0.99
  • September 30, 2014 Price decrease: $0.99 -> FREE!

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