虚拟教具(Virtual Manipulatives)是新一代计算机软件教具,不同于一般的以静态单向传递信息为主的课件,它具有交互性、动态性、可视化的特点,学生可以通过鼠标和键盘操控动态的虚拟物件,探索学习数学知识。目前,在国外有网站提供免费的数学虚拟教具,如美国国家虚拟教具图 Virtual Manipulatives (Virtual Manipulatives) is a new generation of computer software aids, different from the general static one-way information-based courseware, it has interactive, dynamic, visual features, students can manipulate the mouse and keyboard dynamic virtual Objects to explore learning math. Currently, there are websites in foreign countries to provide free math virtual teaching aids, such as the United States National Virtual Aid