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《中小学数学》(初中版)2010年第12期刊发了袁敬妙、康巧的《实现少教多学的一些有效做法》一文(以下简称“袁文”),读后感触颇多.1.少教多学不是全盘否定多教.在学生学习活动过程中,教师应随时观察学生在思考什么?思维上有无障碍?如何引导?等等.不管采用哪种教学策略,教师的讲一定要有实效性,即做到“三讲”和“三不讲”.“三讲”就是讲重点、难点、易错易混知识点.“讲重点”是讲清知识的含义、结构、层次;讲清知识运用的方法步骤;强调对知识的掌握程度和要求.“讲难点”是精心设计思考题让学生讨论;教师引例和学生举例相结合;对过于偏难而又不是教学重点的教师可以不讲;对易错易混知识点可以通过习题训练的方法加以解决.“三不
”Elementary and middle school mathematics“ (junior high school edition) in 2010 the twelfth issue of Yuan Jingmiao, Kang Qiao’s ”realization of less effective teaching more effective ways“ article (hereinafter referred to as ”Yuan Wen“), after reading a lot .1. Less education is more than a total denial of multi-teaching. In the process of student learning activities, teachers should always observe what the students are thinking? Is there any obstacle in thinking? How to guide? No matter what kind of teaching strategies, teachers Speaking must be effective, that is, to achieve ”three stresses “ and ”three do not speak “. ”Three stresses “ is to talk about the key, difficult, Is to clarify the meaning, structure and level of knowledge; to clarify the methodological steps of using knowledge; to emphasize the mastery of knowledge and requirements. ”Difficulties" are elaborately designed questions for students to discuss; teacher quotations and student examples are combined ; Teachers who are too difficult to focus on teaching can not talk about; knowledge of error-prone and misleading points can be solved by exercises training.