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小学数学知识的基本结构是一个系统性强,逻辑严密的知识体系,在教学过程中,前面的知识是后面知识的基础,后面所学的知识(新知)又是前面所学知识(旧知)的引伸和发展,因此,教师只有在新旧知识的联结点上下功夫,才能使学生所学的知识纵横沟通,构成网络,形成体系。为了达到上述目的,笔者在教学实践中,探索了以下几种主要方法。
The basic structure of elementary mathematics knowledge is a systematical and logical system of knowledge. In the process of teaching, the former knowledge is the basis of the latter knowledge, and the later knowledge (new knowledge) is the knowledge of the past (old knowledge) Extension and development. Therefore, teachers should work hard at the connection point between old and new knowledge to make the knowledge learned by students communicate vertically and horizontally to form a network and form a system. In order to achieve the above purposes, the author in the teaching practice, explored the following main methods.