價格：免費
檔案大小：17.8 MB
版本需求：需要 iOS 9.0 或以上版本。與 iPhone、iPad 及 iPod touch 相容。
支援語言：德語, 法文, 義大利文, 英語, 荷蘭文
Practice splitting small numbers to improve your skills in addition and subtraction. Next to splitting numbers there is also a practice page with maths available once the first 10 split trees have been solved. Unlimited practice possibilities.
支援平台：iPhone, iPad