一、备好课是让学生少犯错误的前提学生解题的错误,固然是学生本身诸多因素造成的,但很多时候,我们会从学生的错题上找出教者的“影子”。作为一位合格的教师,必须备课时认真考虑本班学生的已有知识素养、学习习惯、情感意志等诸多方面。学前访谈、调查问卷、个别交流是了解学情的有效方法。通过有效备课,教师可以对学生即将产生的错误大致心中有数。只有这样,教 First, a good lesson is to make students make fewer mistakes premise Students solve the problem, of course, is caused by many factors of the students themselves, but many times, we will find out the teacher’s “shadow” from the students’ . As a qualified teacher, we must carefully consider the students in this class have knowledge literacy, learning habits, emotional will and many other aspects. Pre-school interviews, questionnaires, and individual exchanges are effective ways to understand the situation. Through effective lesson preparation, teachers can know the impending mistakes of students. The only way to teach