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在全国“一师一优课,一课一名师”活动中,笔者上传的《数系的扩充和复数的概念》获得了好评.现将教学设计重新整理如下,以期起到抛砖引玉之功效.1设计思想1.1理解知识的发生、发展的过程数学知识的产生不外乎两个方面:一是生活经验,二是数学自身逻辑体系的不断完善.数学与测量或实用计算之间的关系使实数具有某种实在感.可是,复数的情形却不一样.谁也不知道复数会带来怎样的实际用途,这是在崭新的方向上提出了纯理论的
In the national “one division one excellent class, one class a teacher” activities, the author uploaded “several lines of expansion and plural concept.” Now the teaching design is rearranged as follows, in order to play the role of attracting valuable members .1 Design Ideas 1.1 Understanding the Occurrence and Development of Knowledge The emergence of mathematical knowledge is no more than two aspects: one is life experience, and the other is the continuous improvement of the logic system of mathematics itself. The relationship between mathematics and measurement or practical computing Real numbers have a certain sense of reality. However, the complex situation is not the same. No one knows what the complex will bring practical use, which is in a completely new direction of pure theory