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备课要备教材,备教法,备板书,备习题……但至关重要的是备学生。 有的教师备课时,把学生撇向一边,只顾备自己如何讲解,上课时就好像演员背台同一样,于是,教师在讲台上讲得口干舌焦,学生在下面听得糊里糊涂,教学效果可想而知,这些教师忽视了一个基本道理:教学是师生的双边活动,没有学生的积极参与,教学活动是不健全的。著名的数学教育家波利亚指出:“教师在课堂上讲什么当然重要,然而学生想的是什么却更是千百倍地重要。”因为学生之间存在智力的差异、知识缺陷程度的差异、考虑问题角度的差
Prepare lessons, prepare teaching materials, prepare teaching methods, prepare books, prepare questions... but it is vital to prepare students. When some teachers prepared lessons, they took the students to one side and only thought about how they would explain it. When they were in class, it was as if the actors were on the same platform. Therefore, the teachers were vocal in the podium and the students were confused in the following. The effect of teaching can be imagined. These teachers neglected one basic principle: teaching is a bilateral activity between teachers and students. Without active participation of students, teaching activities are not sound. The famous math educator Polya noted: “What teachers say in class is of course important, but what the students think is more important than ever.” Because of the difference in intelligence between students and the degree of knowledge defect , Considering the difference in problem angle