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一、主要的调整与变化1.新增选择统计图的内容,删去众数和中位数。根据本套教材“统计与概率”部分教学内容的整体设计,本册教材教学扇形统计图和选择统计图。与实验教材相比,主要有两点变化:一是考虑到在用统计知识解决问题的过程中,往往要根据数据的特点和解决问题的需要选择合适的统计图,以准确、有效地表示数据。教材在扇形统计图教学之后,专门设置例题教学选择统计图,帮助学生进一步感受各种统计图的
First, the main adjustment and change 1. Add the choice of the contents of the chart, delete mode and median. According to the set of teaching materials “Statistics and Probability ” part of the overall content of teaching design, the teaching material teaching fan chart and select the statistical charts. Compared with the experimental teaching material, there are two main changes: First, taking into account the statistical knowledge used to solve the problem in the process, often according to the characteristics of the data and the need to solve the problem to select the appropriate chart to accurately and effectively represent the data . Teaching materials in the fan-shaped chart after the teaching, teaching examples set specifically to select charts to help students further experience the various statistical charts