上数学习题评讲课时,教师要精心准备,归纳概括学生中的错误;对有些出错率高的题目,编一些精巧的小题目来分解突破难点;陈题新讲,有的题形异质同,应教会学生揭示题目的本质,强化学生的化归意识;不仅一题多解更要一题精解,还可将题目拓展深化;及时批改、及时上好习题讲评课,维护学生的课堂情感,表扬与激励贯始终;让学生真正成为讲评课的主人。 Teachers should carefully prepare and summarize the mistakes made by the students in the assessment of mathematics exercises. For some subjects with high error rates, they compile exquisite small problems to break through the difficulties. , Should teach the students to reveal the nature of the subject, to strengthen the awareness of the return of students; not only more than one solution to solve the problem, but also to deepen the problem; timely correction, in time for good exercises to comment class, to maintain the students’ class emotion , Praise and encouragement throughout the end; let the students become the real speaker of the class.