Features: + 12 learning levels of increasing challenge. + Option to adjust level of difficulty. + Optional timer with slow and fast settings. + Correct answer is highlighted if responds incorrectly. + Smart Learning review levels offer extra practice to make learning really stick. + Students earn points as they level up and can spend these on their choice of dragon tutor in the in-app Shop. + Seven different Game Center medals & achievements to earn. + No internet connection required. + No hidden in-app purchases: once you buy, all the content is ready to play! Practicing the questions on this app will not only teach students about the presidents of the U.S.A., but will also make it easier to complete the game on the fun online learning sites Always-Icecream.com and Clever-Dragons.com, where kids earn virtual currency for each level they complete. With this currency, children can unlock fun and creative games. Why do Clever Dragons learning apps have over 500,000 downloads already? Come see for yourself today!
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