Subtraction in 60
Detailed App Info:
Application Description
How many subtraction problems can you do in 60 seconds? How accurate will you be? Subtract with numbers from 1-100 in 60 seconds and see your accuracy as well as how many you got right and how many wrong.
Requirements
Your mobile device must have at least 198.55 KB of space to download and install Subtraction in 60 app. Subtraction in 60 is available on iTunes for $0.00
If you have any problems with installation or in-app purchase, found bugs, questions, comments about this application, you can visit the official website of andrew smith at http://pattrns.com.
Copyright © 2014 Andrew D. Smith
