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数学是由概念与命题等内容组成的知识体系。它是一门以抽象思维为主的学科,而概念又是这种思维的语言。因此概念教学是中学数学中至关重要的一项内容,是基础知识和基本技能教学的核心,正确理解概念是学好数学的基础,学好概念是学好数学最重要的一环。只有真正掌握了数学中的基本概念,我们才能把握数学的知识系统,才能正确、合理、迅速地进行运算,论证和空间想象。从一定意义上说,数学水平的高低,取决于对数学概念掌握的程度。那么,作为教师应如何进行数学概念的教学呢?
Mathematics is a system of knowledge consisting of concepts and propositions. It is a discipline that focuses on abstract thinking, and concepts are the language of such thinking. Therefore, concept teaching is a crucial content in middle school mathematics. It is the core of basic knowledge and basic skills teaching. Correct understanding of concepts is the basis for learning mathematics. Learning good concepts is the most important part of learning mathematics. Only when we have mastered the basic concepts in mathematics can we grasp the knowledge system of mathematics, we can carry on the operation, demonstration and space imagination correctly, reasonably and promptly. In a certain sense, the level of mathematics depends on the degree of mastery of mathematical concepts. So, as a teacher should be how to teach the concept of mathematics?