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引入是教师在一项新的教学内容或活动开始前,引导学生进入学习的行为方式.引入必须符合数学本身的科学性,符合教学目的,引入必须从学生的实际出发.所以,我们在引入时应将抽象的问题与学生已有知识和他们所熟悉的生活事实联系起来,多让他们动手试一试,在动手、动口中动脑.引入的方法有很多种,下面着重论述几种常用的方法.一、数学实验,互动引入法通过观察实验或学生的动手操作,把抽象的理论直观化,
The introduction is the teacher’s behavior of guiding students into learning before the start of a new teaching content or activity.The introduction must conform to the science of mathematics itself, which is in line with the teaching purpose, and the introduction must be based on the students’ reality.Therefore, when we introduce The abstract problem should be linked with the students’ existing knowledge and the fact that they are familiar with, and let them try it out in hands and hands. There are many ways to introduce it. The following several focuses on several commonly used methods First, the mathematical experiment, interactive introduction method Through the observation experiment or student hands-on operation, the abstract theory of visualization,