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现行六年制重点高中数学课本《立体几何》在《多面体与旋转体》这一部份,把重点放在研究立体图形的直观图的画法及有关的度量计算上,对概念的定义、性质、定理的证明多数采取了描述性的处理方法,结合学生的实际,精简了教材,也照顾了几何学科的公理结构。怎样掌握教材的特点,达到新大纲的要求是一个值得探讨的问题。下面结合自己的数学实践、谈几点体会。
The current six-year high school mathematics textbook “Three-Dimensional Geometry” in the section “Polyhedron and Rotating Body” focuses on the method of drawing stereograms and the related metric calculations. The definition and nature of concepts The proof of the theorem mostly adopts a descriptive method of processing, combining with the students’ actuality, streamlining the teaching materials and taking care of the axiom structure of the geometric subject. How to grasp the characteristics of teaching materials and meet the requirements of the new outline is a question worthy of discussion. The following combination of their own mathematical practice, talk about a few experiences.