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近日,笔者遵照学校制定的“师徒结对”要求,随堂听了徒弟的一堂课.课题是人教A版教材必修一的第2.3节“幂函数”.按照惯例,笔者并没有事先通知徒弟,而只是在早上上班时打了个招呼.课后,师徒两人就上课内容的处理,进行了一场对话,都感觉有不少的收获与感想.一、授课过程简录(一)创设情景引入问题教师:请将下列问题中的y表示成x的函数(PPT展示,学生口答):①如果张红购买了每千克1元的蔬菜x千克,那
Recently, I follow the school to develop “teacher-student relationship” requirements, listening to an apprentice’s class at any lesson. The subject is taught by a version of the textbook compulsory one 2.3 “power function.” By convention, the author and Did not inform the apprentice in advance, but only said hello to work in the morning after class, both apprentice and class content processing, a dialogue, all feel a lot of gains and feelings. (A) the creation of scenarios to introduce the problem Teachers: Please put the following questions in the y as a function of x (PPT show, students answer): ① If Zhang Hong bought 1 yuan per kilogram of vegetables x kg, that