小学数学知识是相互关联的,也是与现实生活相关的,通过多媒体课件进行有效的情境展示、动态分析和交互实践,能使教学更具体化、形象化和动态化,以此激发学生的学习兴趣和调动学生的学习积极性。不过,现今大多课件只是“以教师为中心”来通过教师顺序控制的演示程序式课件,课件是围绕“教”而展开的,学生参与交互的机会很 Elementary mathematics knowledge is interrelated and also related to the real life. Through multimedia courseware, effective situational display, dynamic analysis and interactive practice can make teaching more specific, visualized and dynamic in order to stimulate students’ interest in learning. And mobilize the enthusiasm of students. However, most of courseware nowadays is only a demo programware controlled by the teachers’ order with “teacher-centered ”. The courseware is developed around “teaching ”, and the opportunities for students to participate in the interaction are very