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概念是数学教学中的重要内容,由于概念自身的复杂性、抽象性、缺乏趣味性等特点,给学生学习造成一定的困难。如果在概念教学中使用僵化教条的方式讲授概念,就容易出现概念的本质揭示不透彻、忽视概念间的相互联系、忽视概念的综合应用等问题,导致学生往往选择死记硬背、照搬照抄,不会灵活应用。这就需要我们教师能够根据数学概念的特点、学生的认知特点进行精心设计和引导,力求揭示概念的本质,让学生知其然更知其所以然,促使学生形成主动探索概念的兴趣,从而透彻理解概
The concept is an important part of mathematics teaching. Due to its complexity, abstraction and lack of interest, the concept poses certain difficulties for students’ learning. If we use the rigid dogma to teach concepts in conceptual teaching, it is easy for us to reveal the essence of the concepts, to ignore the interconnectedness of the concepts and ignore the comprehensive application of the concepts. As a result, students often choose to rote and copy, Will be flexible application. This requires that our teachers should carefully design and guide students according to the characteristics of their mathematical concepts and students’ cognitive features so as to reveal the essence of the concept so as to make students more aware of their reasons and encourage them to form an interest in actively exploring concepts so as to thoroughly understand Understand