價格：免費
檔案大小：13.1 MB
版本需求：需要 iOS 4.3 或以上版本。與 iPhone、iPad 及 iPod touch 相容。
支援語言：德語, 法文, 英語, 西班牙文
The Fun of Popping Balloons and Mastering Math with Subtracting.
Answer the skill testing questions as fast as you can by popping the balloon with the correct answer.
You will lose a life if you don't answer the question correctly in time.
You will lose points if you pop the wrong balloon answer, be careful.
The countdown clock in the bottom left will determine when the next level will start.
As levels go on, the time limit to answer the questions will decrease.
Goodluck!
Languages: English, Spanish, German and French
支援平台：iPhone, iPad