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由于聋生的语言表达能力欠缺、逻辑思维能力较差,思维的浓度和广度上都与健全学生有一定的差距,到了初中,随着几何知识的加深,使得几何教学显得尤为困难。他们缺乏学习兴趣,概念混乱、各几何图形和平面图形性质不分、不会推理证明,不善应用于实际等。如果教师在教学时更新几何知识的教学观念,对内容进行精心设计,对学生进行正确引导,教学将可以起到事半功倍之效。由于聋生的听力受损,思维长处于封闭状态,思考问题比
Due to the lack of language ability of deaf students, poor ability of logical thinking, the concentration and breadth of thinking are all different from that of sound students. At the junior middle school, geometry teaching becomes more and more difficult as the knowledge of geometry deepens. Their lack of interest in learning, the concept of chaos, the geometry and graphic nature of any distinction, not reasoning, not good for practical application. If teachers update the teaching concept of geometric knowledge, carefully design the content and guide the students correctly, the teaching can play a multiplier effect. Due to hearing loss of deaf students, thinking is always closed, thinking problems than