对中学数学中函数概念教学的思考

Thinking of the Function Concept in Middle School＇s Maths

中学数学的教与学，都反映出函数概念是一个教学难点。该文分析了函数概念的重要性，探讨了函数概念成为教学难点的原因，继而提出了对函数概念教学的思考。认为应该注意概念的引入顺序和方式，强化函数概念多种形式之间的转化。

Both the teaching and learning of middle schools＇ Maths reflects the concept of function is a difficult point. This paper analyses its importance and the reason for why it becomes a difficult point, then raises some thinking for the teaching of it. The paper thinks teachers should notice the introduction oder and method of the function concept, and stresses the conversion between a variety of forms.