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教学内容青岛版小学数学六年制四年级上册第六单元81页:“相遇问题”。教学目标1.借助生活事例,理解相遇问题的基本特征,解决生活中的相遇问题。2.经历摘录、图表等策略整理信息的过程,运用线段图分析相遇问题的数量关系,构建相遇问题的数学模型。3.在解决问题的过程中,感受数学与生活的紧密联系。增强学生的数学应用意识及运用数学思想方法解决实际问题的能力。教学重点用线段图策略分析相遇问题的数量关系,应用相遇问题模型解决问题。教学难点理解相遇问题的基本特征,构建
Teaching content Qingdao primary school mathematics sixth grade fourth grade on the sixth unit 81: “encounter problems ”. Teaching Objectives 1. With life examples, understand the basic characteristics of encounter problems, to solve the encounter in life. Experiencing excerpts, charts and other strategies to organize the process of information, the use of line segments to analyze the relationship between the number of problems, to build a mathematical model of encounter problems. 3 in the process of solving the problem, feel the close connection between mathematics and life. Enhance students’ awareness of math application and their ability to solve practical problems with mathematical thinking. The key point of the teaching is to analyze the relationship between the number of encountering problems by line segment strategy and solve the problem by using the encounter model. Teaching difficult to understand the basic characteristics of encounter problems, construction