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一、缘起:聚焦细节,为什么会错了“人民币的简单计算”是新人教版一年级数学下册第5单元第46-55页的内容。其主要是让学生在认识人民币的基础上学习使用人民币,在买东西的过程中进行简单计算。现行教材尊重并充分利用学生已有生活经验,在认币、换币和取钱、付钱、找钱等活动中掌握人民币的知识和简单的购物技能。学生在生活中都见过人民币,或多或少有一些认识,部分学生还有购物的经验。在这一出发点下,笔者听到的“人民币的简单计算”这一课大
First, the origin: the focus of detail, why is wrong “Simple calculation of RMB ” is the new PEP mathematics Volume 5 Unit 46-55 page content. Its main purpose is to enable students to learn to use the RMB on the basis of recognizing the renminbi and make simple calculations in the process of buying things. The current teaching materials respect and make full use of the students’ existing life experiences, master RMB knowledge and simple shopping skills in such functions as coin recognition, currency exchange and withdrawal, payment and money change. Students have seen Renminbi in their lives, more or less some understanding, some students have shopping experience. In this starting point, I heard “Simple calculation of RMB ” This lesson is large