最近,我市教科研中心在我校举行了初中数学二轮复习课以及中考复习最后冲刺教学经验交流研讨会,笔者有幸倾听了一节课题为“与动点有关的最值问题”的研讨课,现就该课堂教学中的“亮点”谈谈自己的认识.一、知识储备与问题引路在直线l外有一点A,则点A到l的最短距 Recently, the city’s teaching and research center held a secondary review class for junior mathematics in our school and a seminar on the final sprint teaching experience exchange in the middle school exam. The author had the privilege of listening to a topic that was “the most relevant question related to the action point”. Seminars, now talk about their own understanding of the “bright spot” in the classroom teaching. First, knowledge reserves and problems lead the way in the straight line l a little A, then the shortest distance from point A to l