函数是中学阶段最重要的概念之一,也是最难理解的概念之一。函数问题的解决和应用有很多同学都会觉得很难,很抽象,其原因多是函数概念未理解透彻,当然也和教师在概念的课堂教学的设计是分不开的。有鉴于此,设计了一节专门针对概念的引入、形成、理解为内容的函数概念教学课,力图还原函数概念的本来面目,让学生不再惧怕之,为更好地理解、应用之打下坚实的基础。 Functions are one of the most important concepts in secondary school and one of the most difficult to understand concepts. Function problem solving and application Many students will feel very difficult, very abstract, the reason is that the function concept is not understood thoroughly, of course, and teachers in the concept of classroom teaching design are inseparable. In view of this, a section designed specifically for the introduction of concepts, the formation and understanding of the function of the content of the concept of teaching, trying to restore the original concept of the function, so that students no longer fear, to better understand and apply a solid foundation Foundation.