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评课是一种与他人交流的方式,评课者是教师的服务者、学习者、分享者、辅助者,评课者和教师应该给彼此带来快乐和教益。每一位评课者都有自己的评课风格,笔者选取陈世文老师(以下简称“陈老师”)的《一图一课之二次函数》,针对几个主题,虚拟与之展开一系列对话的形式,既表达对该课例的看法(仅谈设计与实施核心细节),又呈现自身的教学思想,期望这种数学对话能让教师体悟课例并产生新的理解。
A course is a way to communicate with others. A course reviewer is a teacher’s service provider. Learners, sharers, facilitators, commentators, and teachers should bring joy and lessons to each other. Each commentator has her own style of assessment, the author chooses Chen Shiwen teacher (hereinafter referred to as “Chen teacher”) “a quadratic function of a lesson”, for a few themes, the virtual start with The series of dialogues not only expresses the views of the lesson (only talking about the core details of design and implementation), but also presents its own teaching ideas. It is expected that such math dialogue will enable teachers to comprehend the lesson and generate new understandings.