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近期,我校开展了同课异构研究课活动.初二数学备课组选择了苏科版《图形的相似》中的《黄金分割》一节,两位老师独立备课上课,课后组内进行了研讨,并适当改进.下面是两位教师对这节课情境创设部分的设计(设计一、设计二),以及研讨修改后的设计(设计三).本文作简单介绍的同时,提出笔者的一些认识.设计一1.(出示芭蕾舞演员图片)问题:芭蕾舞演员身体为什么给人匀称、协调的美感?(画
Recently, our school carried out the same class heterogeneous research class activities.Secondary mathematics lesson team selected the Suke Edition “similarities in the graphics” in the section “golden section”, the two teachers prepare lessons independently, after class group The discussion, and appropriate improvements.The following is the two teachers to create part of the design of this lesson situation (Design 1, Design 2), as well as to discuss the revised design (Design 3) .This article briefly introduced at the same time, the author Some Understand Design 1. (Show a picture of a ballerina) Question: Why ballerina body gives a well-balanced, coordinated beauty?