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演示法一直是小学数学教学中常用的方法之一,对帮助学生理解知识、感受知识形成过程具有重要意义。在小学数学“圆的认识”这一课中演示法的运用至关重要。本文希望在从演示工具的选择,演示环节的设计,演示操作的规范等方面对“圆的认识”的分析中,可以帮助小学教师学会选择演示工具,设计好演示环节,在教学过程中规范演示操作,正确运用演示法进行课堂教学,激发学生的学习兴趣,提高课堂效率。
Demonstration method has always been one of the common methods used in elementary mathematics teaching, which is of great significance to help students understand knowledge and feel the process of knowledge formation. In primary school mathematics “circle of understanding ” the demonstration method of application is crucial. This paper hopes to help elementary school teachers learn how to choose a presentation tool and design a demonstration session in the analysis of “circle recognition” from the aspects of the choice of presentation tools, the design of presentation sessions, the specification of presentation operations, etc. During the teaching process Standardize the demonstration operation, correctly use the demonstration method for classroom teaching, stimulate students’ interest in learning and improve classroom efficiency.