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教学内容:人教版小学数学四年级(上)116页例4。教学目标:1.通过简单的事例,初步体会对策论方法在解决实际问题中的应用。2.让学生认识到解决问题策略的多样性,形成寻找解决问题最优方案的意识。3.尝试用数学方法来解决实际生活中的简单问题。教学重难点:能在所有可能采用的策略中选择一个最优策略。教学过程:一、创设情境,游戏导入1.出示两组扑克牌,分别是3、5、7和4、6、8。提问:你选择哪一组牌和老师比大小?(请2-3名
Teaching content: PEP fourth grade (on) 116 Example 4. Teaching Objectives: 1. Through a simple example, preliminary experience game theory method in solving practical problems. 2. To enable students to recognize the diversity of strategies to solve the problem, the formation of the best solution to the problem of finding the solution. 3. Try to solve the simple problem in real life by mathematical method. Teaching difficult: difficult to choose among all possible strategies to choose an optimal strategy. Teaching process: First, create the situation, the game into 1. Show two sets of playing cards, respectively, 3,5,7 and 4,6,8. Question: Which brand and teacher do you choose than the size? (Please 2-3