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初中函数概念教学要处理好三种关系,一是抽象与具体的关系,即要从具体实例出发而理解抽象概念;二是准确性与通俗性的关系,即要以通俗的语言引导学生准确理解高度抽象的概念;三是历史性与逻辑性的关系,即要尽可能以历史的方法,讲明函数的来龙去脉,使学生建构性地理解逻辑层面的函数概念。
The concept of junior high school function teaching to handle the three relationships, one abstract and specific relationship, that is, starting from the specific examples to understand the abstract concept; the second is the relationship between accuracy and popularity, that is, to guide the students to accurately understand the popular language Highly abstract concept; third is the relationship between history and logic, that is, as far as possible in a historical way, explain the ins and outs of the function, so that students construct a constructive understanding of the functional concept of the logic level.