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数学概念的学习是数学学习的核心。学生有了数学概念,才能对现实世界的空间形式和数量关系作出正确的概括和陈述。一、概念教学的基本要求概念教学的基本要求是“概念明确”。1.明确概念的内涵与外延。能说出概念所反映的一类事物的共同本质属性;理解概念定义中的关键词语;明确概念所反映的对象范围;能举出概念外延中的事例;能判定某个事物是否属于这个概念的外延,并说明理由。2.明确这个概念和其它一些概念的关系。能说出它的邻近的属概念,并将属概念按有无种差分类;能按不同标准对概念本身分类;能说明这个概念和另一些概念的区别和联系。3.能正确运用表达概念的词或词组。
Learning the concept of mathematics is the core of mathematics learning. With the concept of mathematics, students can correctly classify and state the relationship between the spatial form and the quantity in the real world. First, the basic requirements of the concept of teaching The basic requirement of the concept of teaching is “clear concept.” 1. Clear connotation of the concept and extension. Can tell the common essential attribute of a kind of thing that the concept reflects; Understand the key words in the definition of the concept; Clarify the range of the object that the concept reflects; Can give out the case in the conceptual extension; Can judge whether a thing belongs to this concept Extension, and explain the reasons. 2. Clarify the relationship between this concept and some other concepts. Can tell its adjacent genus concept, and the genus according to whether there is no difference between species; according to different standards for the concept itself; can explain the concept and other concepts and the difference between the contact. 3. Correct use of the expression of the concept of words or phrases.