價格：免費
更新日期：2018-10-03
檔案大小：3.5M
目前版本：1.5
版本需求：Android 4.0 以上版本
官方網站：http://www.watertankmath.com
Email：jason@watertankmath.com
聯絡地址：2205 Elco Circle Manhattan, KS 66502
An interactive visual representation for learning how to add and subtract positive and negative integers. This app will provide four different avenues to make sure you fully comprehend all the math symbols used with addition an subtraction.
Features:
- Animated visuals
- Four methods of learning addition and subtraction
- Extensive tutorials for additional support
This app was developed by a team with 15+ years experience in the education and technology fields. Created so students and adults alike can master the task of adding and subtracting integers.