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高中函数的学习过程是建立在学生对函数的感性认识的基础上的,并在此基础上进行的一系列比较、分析、综合、归纳、演绎等思维活动。因此,理解和掌握函数的基本概念,进而掌握函数的本质和发展规律,这对于提高学生的认知能力有很大的帮助;掌握函数“三要素”是学习函数的关键。因此,在教学设计中,教师要将自己定位在引导掌握函数“三要素”的解题策略上,这对学生掌握函数的基本概念、定理以及公式应用具有非常重要的作用,并能进一步实现对学生综合素质和能力的开拓。
The learning process of the high school function is based on the student’s perceptual knowledge of the function, and on this basis, a series of comparative activities such as comparison, analysis, synthesis, induction, and deduction. Therefore, understanding and mastering the basic concepts of functions, and then grasping the nature and development rules of the functions, is of great help to improving students’ cognitive ability; mastering the function “three elements” is the key to the learning function. Therefore, in the instructional design, teachers should position themselves in the problem-solving strategy that guides the mastering function “three elements,” which is very important for the students to master the basic concept of the function, the theorem, and the application of the formula, and can further To achieve the development of students’ overall quality and ability.