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【关注理由】数学测试后的试卷评讲课是数学教学中的重要课型,是中学数学复习教学的重要环节。评讲课效率的高低,是进一步提高教学质量与效益的关键[1]22。通常情况下,教师在阅卷后,不对其进行认真的分析、研究和备课,就急急忙忙上评讲课,而且大都要花上几节课的时间。教师要么把试题从头到尾不厌其烦地讲一遍;要么对对答案,只选取几个自己认为重要的试题讲讲;要么把一节评讲课变为一节“训斥课”。这种评讲课,教师独霸讲台,学生只是被动地听,没有充分参与到评讲的过程中,结果是学生疲惫,教师辛苦,教学效益低下。成都市龙泉中学牟林老师在学校进行的新授课、复习课、讲评课三课型规范研究活动中所作的一堂试卷评讲课,克服了传统评讲课的弊端,给我们耳目一新的感觉。
【Concerns】 Mathematics test papers after the lecture is an important lesson in mathematics teaching is an important part of secondary mathematics review teaching. The efficiency of lectures is the key to further improve the quality and effectiveness of teaching [1] 22. Under normal circumstances, teachers are not scrupulously analyzed, studied and prepared for lectures. After reviewing the lectures, teachers insist on lecturing lectures and spend most of the lecture time. Teachers either put the test questions from beginning to end tirelessly say it again; either on the answer, just select a few questions that they think is important to talk about; or a section of the lectures into a section “scold class ”. This assessment lectures, teachers dominate the podium, students just passively listen, not fully involved in the process of assessment, the result is tired students, teachers, teaching effectiveness is low. Chengdu Longquan Middle School teacher Mu Lin in the school for the new lectures, review classes, lectures three lesson-based normative research papers conducted a test lecture, to overcome the shortcomings of the traditional lectures, give us a fresh look.