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数学是一门非常抽象的自然科学,系统性强,各个知识间富含逻辑性,如果教学仅仅关注于概念的文字表征和符号表征,学生往往难以记住概念、定理,更谈不上灵活地应用.笔者认为,初中数学教学必须要注重显性化,尤其要借助实物、图形、媒体等直观表象地呈现引导学生从感性到理性一步步地丰实学生的认知,实现知识逻辑层次显性化,将新旧知识有机联结,实现认知的螺旋式提升.本文就该话题谈几点笔者的看法,望能有助于教学实践.
Mathematics is a very abstract natural science. It has a strong systematicness and contains a lot of logic among the various kinds of knowledge. If the teaching focuses solely on the verbal and symbolic representations of the concepts, it is often difficult for students to remember the concepts and theorems, let alone the flexibility Application.The author believes that junior high school mathematics teaching must pay attention to the explicit, especially with physical, graphics, media and other visual representation to guide the students from sensibility to rationality step by step to enrich students’ knowledge, to achieve the level of knowledge logic The organic integration of old and new knowledge, to achieve the spiral of cognition.This article talked about the topic on the author’s point of view, hope can help teaching practice.