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【教学内容】义务教育教科书·数学(北师大版)一年级上册第六单元第70~71页。【教材分析】本节课是对长方体、正方体、圆柱和球的初步认识,在学习本节课之前,学生已经学习了分类的知识,而本课时安排的内容是学生在巩固已有分类思想的基础上,来认识立体图形的特征。另外,学生在生活中已经积累了许多关于长方体、正方体、圆柱和球的认识,所以教材呈现的内容主要是学生日常生活中十分熟悉的一些物品,让学生通过说
【Teaching content】 Compulsory education textbooks · Mathematics (Beijing Normal University Edition) sixth grade units on the first 70 ~ 71 pages. 【Textbook Analysis】 This lesson is a preliminary understanding of cuboids, cuboids, cylinders and balls. Before studying this lesson, students have learned the knowledge of classification. The contents of this lesson are arranged by students to consolidate the existing classification ideas Based on, to recognize the characteristics of three-dimensional graphics. In addition, students have accumulated a great deal of knowledge about cuboids, cuboids, cylinders and balls in their lives. Therefore, the teaching materials are mainly those items that students are familiar with in their daily life.