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运算律教学是“数与代数”板块的重要组成部分,小学数学教学内容中涵盖了加法的交换律和结合律以及乘法的交换律、结合律和分配率。为了让学生切实掌握运算律,能熟练运用运算律来解决相关的计算问题,我们在运算律的教学中不但要让学生知晓和了解相关法则,还要帮助学生完成数学建模,深入理解运算律的可然性和应然性,养成学生灵活运用的能力。具体可以从以下几个方面来展开教学:一、尊重现实,上升模糊认知学生的数学建构过程都有一个起点,这个起点综合了学
The teaching of arithmetic law is an important part of “number and algebra ” plate. The elementary mathematics teaching contents cover the law of exchange and combination of addition and the law of exchange and the combination of law and distribution. In order to enable students to master the computing law effectively and skillfully use the computing law to solve the related computing problems, we not only need students to know and understand the relevant laws in the teaching of computing law, but also help students to complete mathematical modeling and understand algorithms The possibility and responsibility of students to develop the ability to use. Specific from the following aspects to start teaching: First, respect for reality, rising fuzzy cognitive mathematics students have a starting point in the process of building the structure, the starting point of a comprehensive study