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分类思想既是解决问题的一般思想方法,适应于各种学科的研究,同时也是数学领域解决问题较为常用的思想方法。在“新基础教育”理念下,利用分类思想,使抽象的概念形象化,便于学生理解和掌握。分类是教师研究图形特征的常用方法,不同的分类标准可以提供不同的途径认识四边形。巧用分类思想,可以更有效地探究四边形问题。
The idea of classification is not only a general method of thinking for solving problems, but also a method of thinking adapted to various disciplines and a common method of solving problems in the field of mathematics. Under the concept of “new basic education”, we use the idea of classification to visualize abstract concepts so that students can understand and master them. Classification is a common method for teachers to study graphic features. Different classification standards can provide different ways to recognize a quadrilateral. Clever use of classification ideas, you can more effectively explore the problem of quadrilateral.