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所谓的变式教学,就是对初中数学中的问题从不同角度、不同情境、不同背景以及不同层次进行变式,进而揭示出问题的本质,寻找不同知识之间的联系的一种教学方法,目前已经在初中数学教学中得到了非常广泛的应用.通过变式教学的应用,不仅能够培养学生的思维创新能力和探索能力,还能让学生在不断的变式训练中感受到知识的变化,从而对知识有一个深刻的理解.基于此,本文以“两点之间,线段最短”的相关知识为例,重点研究了变式教学在初中数学教学
The so-called variant teaching is a teaching method that solves the problem of junior high school mathematics from different perspectives, different contexts, different backgrounds, and different levels, reveals the nature of the problem, and seeks connections between different knowledge. It has been widely used in junior high school mathematics teaching. Through the application of variant teaching, students can not only cultivate the ability of thinking innovation and exploration, but also allow students to feel the change of knowledge in the continuous variant training. There is a profound understanding of knowledge. Based on this, this article takes the knowledge of “the shortest line segment between two points” as an example to focus on the teaching of variant teaching in junior middle school mathematics.