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《商不变规律》是苏教版小学数学第八册第26页—27页的教学内容,它是小学数学中的重要基础知识,是进行除法简便运算的依据,也是今后学习小数乘除法、分数、比的基本性质等知识的基础。如何以学生为本,恰到好处地构建生动、有效的探究活动,使之呈现出富有生命活力的本真课堂呢?我就《商不变规律》的教学内容,进行两次磨课。两次磨课给了我很多的启发,经历了在不同教学追求下的课堂感受。第一次磨课——热烈闹闹的进程却缺乏主体探究真实性《数学课程标准》告诉我们:教学应当关注学生的发展,在课堂教学中要体现教
The law of invariableness is the teaching content of the eighth edition of the eighth edition of the Supiao version of elementary mathematics. It is an important basic knowledge in primary school mathematics and is the basis for carrying out division and simple operation. It is also the future study of multiplication and division of decimals, Fraction, than the basic nature of knowledge base. How to build a vivid and effective inquiry activity so as to present a vivid and lively classroom based on the students? I conducted two courses on the teaching content of the “business invariable law”. Two grinding lessons gave me a lot of inspiration, experienced in different teaching pursuit of classroom experience. The first grinding class - the process of lively but the lack of subject to explore the authenticity of “Mathematics Curriculum Standards” tells us: teaching should pay attention to the development of students in the classroom teaching should be reflected in the teaching