價格：免費
更新日期：2017-08-24
檔案大小：27.5 MB
目前版本：1.4
版本需求：需要 iOS 6.0 或以上版本。與 iPad 相容。
支援語言：英語
A personalised approach to learning mental arithmetic strategies.
This program contains 43 separate strategies. For each one, use the worked example to teach the technique.
In practice mode you drag cards to their answers without time constraints.
When ready, take the test. Can you sort them in one minute to be Lightning Fast?
支援平台：iPad