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一、教材研读与剖析1、教材分析:本节课内容是在学生学习了一次函数、反比例函数等基础上的学习。本章我们研究的是二次函数,要求学生通过探究实际问题与二次函数的关系,掌握利用顶点坐标解决最大值(或最小值)问题的方法。学生要经历探索、分析和建立两个变量之间的二次函数关系的过程,进一步体验如何描述变量之间的数量关系,感悟新旧知识的关系,深刻的体会数学中的类比思想方法。
First, the textbook research and analysis 1, textbook analysis: The content of this lesson is to learn a function on the basis of students, inverse function and so on. In this chapter, we study the quadratic function, and ask the students to master the method of using the vertex coordinates to solve the maximum (or minimum) problem by exploring the relationship between the actual problem and the quadratic function. Students should go through the process of exploring, analyzing and establishing the quadratic function relationship between two variables. They should further experience how to describe the quantitative relationship among variables, perceive the relationship between old and new knowledge, and profoundly understand the analogical thinking method in mathematics.