一、巧设情境、激发兴趣、调动学生参与的积极性“凡是富有成效的学习,学生必须对要学习的材料具有浓厚的兴趣。”在CAI教学环境下,多媒体可以创设出一个生动有趣、信息多元的教学情境,化无声为有声、化静为动,克服了传统教学中学生面向静态呆板的课文和板书的缺陷。例如在“对称图形”一课时,一上课,我就出示课件:蜻蜓 First, clever setting, stimulate interest and mobilize the enthusiasm of student participation “All effective learning, students must have a strong interest in the material you want to learn. ” In the CAI teaching environment, multimedia can create a lively and interesting, Information diversity of teaching situations, silent for the voices, static move, to overcome the traditional teaching of students facing static rigid textbooks and blackboard defects. For example, in “Symmetrical Graphics ” class, one class, I will produce courseware: dragonfly