價格：免費
檔案大小：18.4 MB
版本需求：需要 iOS 10.0 或以上版本。與 iPhone、iPad 及 iPod touch 相容。
支援語言：英語
Do you need help increasing your speed on your math facts drills? If so, Math Time - Subtraction is the app for you! Use Math Time - Subtraction to practice addition facts tables. You can choose the fact families, the length of time to practice, the number of problems, or use free play mode. The app will give you instant feedback. Keep challenging yourself to finish the problems in the fastest time possible!
It is so important to build these skills at this foundational level. Being fluent in your math facts will help you with higher level math skills such as adding and subtracting bigger numbers, counting money, measurement, and so much more!
支援平台：iPhone, iPad