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教学思考:分类统计是苏教版《数学》二年级下册第九单元的教学内容,这是学生第四次接触统计。教材旨在让学生在收集、整理和分析数据的过程中,学习统计表按不同标准分类整理数据,体验统计结果在不同分类标准下的多样性。教材中的例题呈现了学生感兴趣的动物运动会的场景图,然后教材提出“看了这幅图,你想知道什么”这样的问题,能够引导学生产生分类收集和整理数据的心理需求。
Teaching thinking: Classification statistics is the teaching content of the ninth unit of the Second Edition of the Second Edition of Mathematics under the Sujiao edition, which is the fourth contact statistics of the students. Textbooks are designed to enable students to collect, organize and analyze data in the process of learning statistical tables according to different standards for sorting data to experience the diversity of statistical results under different taxonomies. The examples in the textbook present the scene of the animal games that the students are interested in, and then the textbook questions such as “What did you want to know about this image?” To guide the students in generating the psychological needs of collecting and sorting data.