“数学广角”作为一个陌生而又精致的小单元,人教版教科书从二年级下学期就单独编排了。就内容而言是以前传统教材所不曾涉及,只是学有余力的学生在课外辅导班中才会接触的奥数题。但其编排新颖,尝试把重要的思想方法以学生可以理解接受的简单形式,通过生动有趣的事例呈现出来。这部分既熟悉又陌生的教学内容也就引起了广大教师的强烈兴趣,但是如何进行这部分内容的教学,教师们难以把握,实践中发现老师教学中有时出 “Mathematics Wide Angle ” As a strange and exquisite small unit, PEP textbooks from the second semester separately arranged. As far as the content is concerned, the traditional teaching materials were not involved in the past, but only the students who have spare capacity to contact Austrian specialists in the tutoring classes. But its layout is novel, trying to present important ways and minds in vivid and interesting cases, in simple forms that students can understand and accept. This part is both familiar and unfamiliar teaching content also aroused the strong interest of the majority of teachers, but how to carry out this part of the content of teaching, teachers are difficult to grasp, in practice found in teaching sometimes