What's New
- Bug fixes and performance improvements
App Description
Practice addition & subtraction problems with negative numbers!
Three difficulty levels available, where each level contains unlimited practice problems!
Suitable for 4th, 5th and 6th Grade Math.
Benefits & Features
- Learn / practice addition and subtraction with negative numbers
- Improve mental math skills
- Suitable for both individual work & classroom use
- Easy to use user interface
iPhone Screenshots
(click to enlarge)
iPad Screenshots
(click to enlarge)
App Changes
- August 29, 2015 Initial release
- September 01, 2015 Price increase: FREE! -> $0.99
- September 07, 2015 Price decrease: $0.99 -> FREE!
- September 10, 2015 Price increase: FREE! -> $0.99
- September 14, 2015 Price decrease: $0.99 -> FREE!
- September 15, 2015 Price increase: FREE! -> $0.99
- December 01, 2015 Price increase: $0.99 -> $1.99
- December 06, 2015 Price decrease: $1.99 -> $0.99
- December 26, 2015 Price decrease: $0.99 -> FREE!
- January 02, 2016 Price increase: FREE! -> $0.99
- January 28, 2016 Price decrease: $0.99 -> FREE!
- January 29, 2016 Price increase: FREE! -> $0.99
- June 15, 2019 New version 1.1
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