價格：免費
檔案大小：2.9 MB
版本需求：需要 iOS 8.0 或以上版本。與 iPhone、iPad 及 iPod touch 相容。
支援語言：英語
This app is a great way to improve your child's arithmetic. There are quick-fire questions asking them to add together two numbers between 1 and 10.
支援平台：iPhone, iPad