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在数学教学中,为了加深对所学过的概念、公式、定理等基础知识与相关的数学思想方法的理解掌握,离不开对例题的学习与思考。那么,面对一道例题,是跟随着教材中的思路与解答过程进行简单地分析讲解,还是带着思考的眼光对问题进行一番打量审视.不同的教学取向,将会得到不同的效果。本文仅以苏教版《必修5》第44-45页中的两道例题为例,为在例题教学时,提出几点建议,供参考。例1.某剧场有20排座位,后一排比前一排多2个座位,最后
In mathematics teaching, in order to deepen the understanding of the basic knowledge of the concepts, formulas, theorems and other related mathematical thinking and methods learned, can not be separated from the study and thinking of examples. So, in the face of an example, we should analyze and explain the problem simply with the train of thought and solution in the textbook, or look at the issue with a thinking perspective, and different teaching orientations will have different effects. This article only takes the two examples in the Supian version of “Compulsory 5” pp. 44-45 as an example. In order to provide some suggestions for the teaching of the examples, for reference. Example 1. A theater has 20 rows of seats, the latter row more than two seats in the previous row, and finally