價格：免費
檔案大小：52 MB
版本需求：需要 iOS 7.0 或以上版本。與 iPhone、iPad 及 iPod touch 相容。
支援語言：英語
Learn to add, substract , multiply, and divide numbers by quiz. First, choose play , and then the game you wants (either add,substraction,multiplication,or divide) . You can choose 1 from 4 available answers. if your answer is correct, the C number will increase, else W number will increase (C for correct and W for wrong), don't forget about the time. It is limited to 90 seconds. Solved as many questions as you can in the time.
支援平台：iPhone, iPad