價格：免費
更新日期：2017-10-06
檔案大小：24.5 MB
目前版本：1.0.4
版本需求：需要 iOS 6.0 或以上版本。與 iPhone、iPad 及 iPod touch 相容。
支援語言：英語
A fantastic tool to help children to understand numbers and their value. Drag the arrow to the correct position on a number line. Lots of choice over level, including whole numbers, negative number and decimals. Can be used to teach place value, approximation skills, and reading varying scales.
Choose one number line or several. Work quickly to get more time and to build your score.
支援平台：iPhone, iPad