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笔者有一种习惯:在课前三分钟常把前一天学生在作业或考试中错误率较多的题目进行集体讲解,订正,然后再进入新课的教学.然而前不久的一次课前“三分钟”的教学任务却无法三分钟完成,让笔者足足花了一节课的时间.那是前一天笔者所在学校的中考模拟考试的一个填空题,据统计整个班级只有3~4人做出了正确答案,上课刚开始,由于学生对某同学的解法有争议,于是拉开了问题探究的序幕.下面笔者把这堂课的探究过程呈现给大家,以求
The author has a habit: three minutes before the class often the day before the students in the homework or exam more errors in the topic collective explanation, revised, and then re-enter the new lesson teaching. However, Minute "teaching task can not be completed within three minutes, so I spent a full class time.That day before the author’s school entrance exam simulation fill in the blank, according to statistics, the entire class only 3 to 4 people to do Out of the correct answer, the beginning of class, due to the students controversy over the solution of a classmate, so opened the prelude to the question to explore the following I explore the course of this course presented to everyone in order to