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中学数学课程和其他理科课程一样,总是先提出必要的概念,再引出有关的一些定理与公式等等,从而展示这个课题的全部内容。因此,概念的教学是整个数学教学的重点和关键,教师必须予以足够的重视。教师应当努力加强概念的教学,要求学生透彻理解、牢固掌握、灵活运用,并能培养学生的思维能力和解题的技能,技巧。对于概念的教学,下面谈谈个人的肤浅认识。 (一) 概念的引入 1.由实例引入。学生对于某个概念的理解,需有一个认识过程,由具体到抽象,由感性到理性,由特殊到一般。教学的开始,经常是从一些具体的实例出发,加以分析,引导学生综合出它们的共同属性,
The middle school mathematics course, like other science courses, always puts forward the necessary concepts first, then leads some relevant theorems and formulas, etc., so as to show the whole content of this topic. Therefore, conceptual teaching is the key and key point of the whole mathematics teaching. Teachers must pay enough attention to it. Teachers should work hard to strengthen the concept of teaching, require students to thoroughly understand, firmly grasp, and flexible use, and can develop students’ thinking ability and problem-solving skills and skills. For the concept of teaching, the following talk about personal superficial understanding. (a) Introduction of concepts 1. Introduced by examples. Students’ understanding of a certain concept requires a process of understanding, from concrete to abstract, from perceptual to rational, from special to general. The beginning of teaching often starts from some concrete examples and analyzes, guiding students to synthesize their common attributes.