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高三一轮复习课的主要目的是提炼并构建数学思想方法系统,使解题策略与方法明确化、系统化.而数学思想方法是认知策略范畴的知识,从这种意义上讲,数学思想方法的教学可以借鉴认知策略的教学措施,使教学与学生的自我意识发展水平相适应,从而在数学学习上更近一步.笔者通过一节高三一轮复习课“函数零点”谈谈自己的想法.一、点燃欲望,明确目标例1函数f(x)=6x-log2x的零点个数
The main purpose of the senior high school refresher course is to refine and construct the mathematical thinking method system to clarify and systematize the problem solving strategies and methods, while the mathematical thinking method is the knowledge of the cognitive strategy category. In this sense, Teaching methods of thinking can learn from the cognitive strategies of teaching measures, so that teaching and student self-awareness of the development level to adapt to the mathematical learning on the next step.The author through a high school and a review of the “zero” Talk about their own ideas. First, the desire to light, a clear goal Example 1 Function f (x) = 6x-log2x the number of zero