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教学内容北师大版《义务教育课程标准实验教科书·数学》五年级上册87～88页。教学目标1.在操作活动中,进一步认识客观事件发生的可能性大小。2.能用分数表示可能性的大小
Teaching contents The Beijing Normal University version of “compulsory education curriculum standard experimental textbook · Mathematics” fifth grade 87 ~ 88 pages. Teaching Objectives 1. In operational activities, to further understand the possibility of objective events occurred. 2. Can use the score that the size of the possibility