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在贵刊刊登的“相似多边形的性质(第一课时)”的两个课例中,笔者有幸观摩了钱云祥老师的这节课,对其上课的过程感同身受,也有了更深的认识和思考.初中数学新课改已进行了三年多,作为主阵地的课堂教学,教师教的方式和学生学的方式正发生着一些可喜的变化,从传统的教学方式逐步过渡到以学生为主体、以思维为主线、接受式学习和探究式学习和谐共存、讲求实效的新的课堂教学模式.钱云祥老师执教的“相似图形的特征(第一课时)”一课,就是实践这一变化的一堂成功的案例.
In the two cases of “similar polygons (first class)” published in your magazine, I was fortunate enough to observe this lesson of Mr. Qian Yunxiang and gain a deeper understanding of the class process And thinking of junior middle school mathematics new curriculum reform has been carried out for more than three years, as the main front of the classroom teaching, teacher teaching and student learning is undergoing some gratifying changes from the traditional teaching methods to the gradual transition to students The main body, the main line of thought, the mode of coexistence of accepting-style learning and inquiry-style learning, and emphasizing the practical effect of the new classroom teaching mode.Characteristics of similar graphics taught by QIAN Yun-xiang (the first lesson) A successful case of this change.