Name: MayaNumbers
What is it? A math game that challenges players to translate numbers using the Maya math system before time runs out. Call upon the ancient civilization’s revolutionary numeral symbols—shell, dot, and line—to translate randomly generated numbers and see how high you can get your score. Base 20 has never been so much fun!
Best for: Middle school students
Price: FREE
Requirements: Compatible with iPhone 3GS, iPhone 4, iPhone 4S, iPhone 5, iPod touch (3rd generation), iPod touch (4th generation), iPod touch (5th generation) and iPad. Requires iOS 6.0 or later. This app is optimized for iPhone 5.
Rated: 4+
Features:
•Tutorial stage teaches Maya numeral system in three steps
•Timer challenges players to race against the clock
•Count as high as 7,999 in base-twenty–it’s harder than you think!
•High-resolution visuals capture a beautifully inspired Mayan motif
Link: https://itunes.apple.com/us/app/mayanumbers/id658863945?ls=1&mt=8 [1]