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《数学课程标准》指出:数学课程要从学生已有生活经验出发,让学生亲身经历将数学实际问题抽象成数学模型并进行解释与应用的过程,进而使学生获得对数学理解的同时,在思维能力、情感态度与价值观等多方面得到进步与发展。因此,教师引导学生建构数学模型时,要引导学生充分经历模型的形成过程。特级教师罗鸣亮为我们做了很好的示范和引领。让我们一起走进罗老师的课堂,感悟他的课堂引领艺术。【片段一】在猜一猜中准备模型
The standard of mathematics curriculum points out that the mathematics curriculum should start from the students’ existing life experience and let the students experience the process of abstracting the practical problems of mathematics into the mathematical model and interpreting and applying them, so as to enable students to understand mathematics while thinking Ability, emotional attitude and values, and many other aspects of progress and development. Therefore, teachers guide students to construct mathematical models, to guide students to fully experience the model formation process. Luo Mingliang super teacher did a good demonstration and lead us. Let’s walk into Teacher Luo’s class and realize his class leads the art. [Fragment one] Guess the preparation of the model