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常说问题是数学的心脏,平常教学中一般是以题目的形式呈现问题,题目便成为教学交流的媒介.那么对于教师而言,对于题目的认识:它从何而来,有何背景;对于题目可以进行怎样的编排与改造;于题目的内涵而言,是否可以一题多解,如何多题一解等,对以上问题理解是否到位,可能会直接影响教学效果.本文谈谈从“望、闻、问、切”四诊的角度来看待问题,提升题目的价值,提高课堂教学的有效性.一、望
Often said that the problem is the heart of mathematics, teaching is usually a problem in the form of questions, the subject has become a medium of teaching and learning. So for teachers, the subject of understanding: where it comes from, what background; for How to arrange and reform the subject can be directly related to the teaching effect if the understanding of the above problems is in place or not, Look, smell, ask, cut "Four clinics point of view of the problem, to enhance the value of the subject, improve the effectiveness of classroom teaching.