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缘起缘起于对教材与学情思考研究案例:苏教版小学数学五年级下册《折线统计图》教材编排:苏教版教材五年级下册《折线统计图》先是学习单式折线统计图,再是复式折线统计图,最后安排了实践活动蒜叶的生长。苏教版教材在2013年经过修订后,把单式和复式折线统计图整合后集中在本册一个单元内学习,为了更便于学生从整体上认识折线统计图特点和把握折线统计图统计方法。
The origins of the textbook and learning from the case study thinking: the Soviet version of primary school mathematics grade five volumes “broken line chart” textbook layout: the textbook of the fifth grade of Jiangsu textbook “broken line chart” first study single-fold line statistics, And then a double line graph, the final arrangement of the practice activities garlic leaf growth. Following the revision of the teaching materials of the Supian textbooks in 2013, the single-type and double-type polygons are integrated in one unit of the book to make them easier for students to understand the characteristics of line charts and grasp statistical charts of line charts.