新课程标准要求学生合作、交流、探究,教学不能再是教师的一言堂,因此如何变“要学生学”为“学生自己学”成为教学的重点。教师在课堂上要引导学生学习,激发学生的学习兴趣,就应该多多利用多媒体教学。几何画板以其学习入门容易和操作简单的优点及其强大的 The new curriculum standards require students to cooperate, exchange, explore, teaching can no longer be a teacher’s words, so how to change “To learn ” as “Students learn ” become the focus of teaching. Teachers in the classroom to guide students to learn, stimulate student interest in learning, we should make more use of multimedia teaching. Geometric Sketchpad with its easy to learn and easy to operate advantages and its powerful