App Description
Chalkboard Challenge : Mental Arithmetic is a great way to learn and practice addition, subtraction, multiplication & division!
This app is ideal for anyone who wants to improve their mental math skills.
Features
- Practice addition, subtraction, multiplication & division
- Voice feedback
- Improve mental math skills
- Unlimited practice questions
- Easy to use user interface
iPhone Screenshots
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iPad Screenshots
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Apple TV Screenshots
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App Changes
- January 26, 2016 Price decrease: $0.99 -> FREE!
- January 28, 2016 Price increase: FREE! -> $0.99
- March 05, 2016 Price decrease: $0.99 -> FREE!
- March 09, 2016 Price increase: FREE! -> $1.99
- March 15, 2016 Price decrease: $1.99 -> $0.99
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