價格：免費
檔案大小：8.9 MB
版本需求：需要 iOS 8.1 或以上版本。與 iPhone、iPad 及 iPod touch 相容。
支援語言：英語
Add, subtract, multiply and divide.
Infinite practice questions for K-4.
Age appropriate questions.
Select difficulty level.
Scoring system.
No in app advertising.
Designed and coded by a Math teacher.
支援平台：iPhone, iPad