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教学内容:苏教版《义务教育教科书·数学》四年级上册第64-67页。教学目标:1.使学生结合具体实例初步感受简单的随机现象,能列举出简单随机事件中所有出现的结果,能根据条件用“一定”、“可能”、“不可能”等定性描述一些简单事件发生的可能性,了解简单事件发生的可能性大小,并能联系条件说明可能性的大小。2.使学生在观察、操作和交流等具体活动中初步感受简单随机现象在日常生
Teaching content: The Soviet version of “compulsory education textbooks · Mathematics” fourth grade on the first 64-67 pages. Teaching Objectives: 1. To enable students to initially experience simple random phenomena in combination with specific examples, can cite all the results of a simple random event, according to the conditions can be used “”, “possible ”, "impossible Describe the likelihood of some simple events such as the possibility of simple events to understand the size of the possibility of contact conditions and the possibility of the size of the statement. 2. To enable students to initially observe simple random phenomena in daily activities such as observation, operation and communication