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转化是中学数学最基本的思想方法,因其在培养学生数学技能和思维品质等方面具有积极作用而被广泛运用.转化的方法、途径很多,本文通过以问题为纽带,在学生最近发展区内铺设恰当的认知阶梯,诱导学生从类比、数形、表征、辩证等角度揭示问题特征;并为他们解决问题搭建必要的思维桥梁,激发学生积极探究转化的方法和途径,让学生获得对转化的核心、精髓和价值的理解,达到运用转化策略,提高转化能力的目的.
Transformation is the most basic way of thinking in middle school mathematics, which is widely used because it plays an active role in cultivating students’ mathematical skills and thinking qualities, etc. There are many ways to transform, through the question as the link, Laying a proper cognitive ladder, to induce students to reveal the characteristics of the problem from the perspectives of analogy, shape, characterization, dialectics, etc., and to establish the necessary bridge of thought for them to solve the problem, to stimulate students to actively explore ways and means of conversion, The core, the essence and the value of understanding, to achieve the purpose of using transformation strategies to improve the conversion ability.