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设计理念:这节课重点学习的是用列表的方法整理情境中的信息,用从条件想起或从问题想起的方法分析数量关系。例题出现的是三个小朋友买相同笔记本的情境信息,分两次提出要解决的问题。要求学生先找出需要解决第一个问题的条件进行整理,通过呈现表格让学生掌握列表整理信息的方法。再让学生思考怎样回答问题,随后用列表的方法搜集整理信息,自主分析数量关系,解决第二个问题。本节课的重点放在学生体会策略价值,并主动运用策略解
Design Concept: The focus of this lesson is to use a list of ways to organize the information in the situation, with the conditions from the question or think of ways to analyze the quantitative relationship. Example is the emergence of three children to buy the same laptop contextual information, two proposed to solve the problem. Ask students to find out the conditions that need to solve the first problem to sort out, by presenting the form to enable students to master the method of listing information. Let students think about how to answer questions, then use the list method to collect information, analyze the relationship between the number of the second to solve the problem. The focus of this lesson is on students’ understanding of strategic values and the proactive use of strategic solutions