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在“一元二次方程”这一章中,应用题的教学既是重点又是难点,学生学到这个地方往往会感到困难重重,特别是在学到“用一元二次方程解决有关商品的销售问题”时,更是不知道该如何下手.本文结合自己多年的教学实践,从以下几个要点来谈谈这一内容的教学.一、抓住关键词,教会学生读题无论对哪一个知识点的学习,都应从基础抓起.学生对应用题的畏难情绪实际上是源自对题目的不理解.应用题背景简单,语言直白,学生容易领会,但
In the chapter “Unary Quadratic Equations”, the teaching of applied questions is both an important and difficult point. Students often find it difficult to learn this place, especially when they learn “to solve a product with a quadratic equation Sales problems ”, but also do not know how to start .This article combined with his years of teaching practice, from the following points to talk about the teaching of this content.Seize the key words, the church student reading no matter where A knowledge point of learning, should start from the foundation.Students fear of the problem is actually derived from the topic does not understand the problem background is simple, straightforward language, students can easily understand, but