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教学内容:苏教版国标本小学数学第九册第63～64页的例1、例2和“练一练”、练习十一的1～3题。教学目标:1.通过实践活动,经历收集信息和分析数据的过程,认识并掌握用列举法解决问题的策略,能正确运用列举法解决问题,做到不重复、不遗漏,同时体验事件发生有多种的可能性。2.能结合经验对具体情境中的有关数字信息作出合理的解释,能进行有条理的思考,探索出解决问题的有效方法。
Teaching content: Sujiao version of the national primary school mathematics ninth volumes of 63 to 64 cases of Example 1, Example 2 and “practice a practice ”, Practice 11 1 to 3 questions. Teaching Objectives: 1. Through practical activities, through the process of collecting information and analyzing data, we should know and master the tactics of solving problems by enumeration method, correctly apply the enumeration method to solve the problems so as to avoid repetition and omission, at the same time, experience the occurrence of events A variety of possibilities. 2. Can combine the experience of the specific situation in the relevant digital information to make a reasonable explanation, to conduct an orderly thinking, to explore effective ways to solve the problem.