基于课题式教学理论的“函数的概念”片段教学设计探析
Exploration of Teaching Design for the “Concept of Functions” Fragment Based on the Theory of Project-Based Teaching

函数是初中最为重要且抽象的概念，学生对于函数概念理解存在极大误差，因此基于课题式教学理念，通过梳理函数概念的发展历程，挖掘函数概念的本质，在课堂教学中引导学生感知运动变化过程，理解函数的本质——对应，生成函数的概念，为初中函数概念教学提供一种新的尝试。
Function is the most important and abstract concept in junior high school, and there is a great error in students’ understanding of the function concept. Therefore, based on the concept of project-based teaching, by sorting out the development of the function concept, digging out the essence of the function concept, and guiding the students to perceive the process of movement and change in classroom teaching to understand the essence of the function-correspondence, the concept of function is generated, so as to provide a new attempt for the teaching of the concept of function in junior high school.