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2014年4月9日,贵州省遵义红花岗区教培中心举行了中考复习专题研讨课,笔者有幸上了一节“解直角三角形的应用”研讨课,现将这节课的内容展示给大家,供讨论交流。一、课堂呈现(一)例题讲解作为课堂教学的核心,例题教学承载着众多的教学期待,既要梳理所学知识,还要归纳数学方法,渗透数学思想和活动经验。在中考复习课上,如何让例题紧贴教学目标,以凸显复习课的“课时核心”呢?笔者精心选择三道中考试
April 9, 2014, Guizhou Province Zunyi Honghuagang District Teaching and Research Center held a review seminar on the exam, I was fortunate enough to a “solution of the application of right-angled triangle” seminar, now the contents of this lesson Show to everyone for discussion and exchange. First, the classroom presents (a) examples to explain as the core of classroom teaching, sample teaching carries a large number of teaching expectations, it is necessary to sort out the knowledge, but also to summarize mathematical methods, infiltration of mathematical thinking and experience. In the senior high school entrance examination review class, how to make the sample close to the teaching goal, in order to highlight the review class “class time core ”? The author carefully selected three middle school exam