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数学教学大纲明确指出:“正确理解数学概念,是掌握数学知识的前提。”因此,课堂教学中如何帮助学生形成正确的数学概念是教学的一个大问题。理解概念,就是认识事物的本质,掌握规律的一种思维活动。在这个过程中,教师应有意识地运用观察、比较、分析、综合、归纳、演绎等方法,帮助学生掌握基本概念,引导学生思考,开拓学生思维。一、注意概念的引入,踞确概念概念在其形成的过程中逐渐明朗化,任何一个概念的产生都有它的实际过程,如:
The mathematics syllabus clearly states: “Correct understanding of mathematical concepts is a prerequisite for mastery of mathematical knowledge.” Therefore, how to help students to form the correct mathematical concepts in classroom teaching is a major problem in teaching. To understand the concept is to understand the nature of things, to grasp the law of a kind of thinking activity. In this process, teachers should consciously use the methods of observation, comparison, analysis, synthesis, induction, deduction and other methods to help students master the basic concepts and guide students to think and explore students’ thinking. First, pay attention to the introduction of concepts, concepts of concepts in the formation of the concept of gradually become clear in the process of its formation, any one of the concepts have their actual production process, such as: