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变式教学是对学生进行数学技能和思维训练的重要方式.通过变式展示知识的发生、发展、形成过程,使学生抓住问题的本质,加深对问题的理解,变套式为新式,变模仿为创新,使学生举一反三,触类旁通,真正领悟数学的思想方法.本文就一题多解、一题多变和多题归一这三个方面,谈谈如何运用变式教学提高课堂效率.
Variant teaching is an important way to train students in mathematics skills and thinking training.Changing the occurrence, development and formation process of knowledge through variant shows that students can grasp the essence of the problem and deepen the understanding of the problem. Imitation is the innovation, so that students can learn from one mannerism, the analogy, the true understanding of mathematical thinking and method.This article on a multi-solution, a changeable and multi-question one of these three aspects, talk about how to use variable teaching to improve classroom efficiency.