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课题简单的条形统计图(一)使用教材九年义务教育课本(发达地区版)数学三年级下学期。教学目标 1、初步了解条形统计图的意义、特点;2、会看简单的条形统计圈,并能回答有关问题。新课导入。一、引出条形统计图:1、出示问题;同学们制作小红花,每做5朵在下图上贴一个小长方形。小红做了20朵,小明做了15朵,小莉做了25朵,小华做了10朵。每人各贴几个小长方形?
Article simple bar chart (a) the use of teaching materials nine-year compulsory education textbooks (developed area version) third grade math next semester. Teaching objectives 1, a preliminary understanding of the bar chart meaning, characteristics; 2, will look at a simple statistical bar and can answer questions. New lesson into. First, lead to the bar chart: 1, produce problems; students make small safflower, made of 5 each in the next figure posted a small rectangle. Little red made 20, Xiao Ming made 15, Xiao Li made 25, Xiaohua made 10. Each posted a few small rectangular?