“不同的人在数学上得到不同的发展”是课程标准提出的基本理念之一。在数学学习过程中,引导学生进行一些调查、研究活动,然后用数学的方法去分析,写出小调查、小报告,可以激发学生的学习兴趣,提高学生的抽象概括能力、动手操作 “Different people get different developments in mathematics” is one of the basic concepts put forward by the curriculum standards. In mathematics learning process, guide students to conduct some surveys, research activities, and then use mathematical methods to analyze, write a small survey, a small report, you can stimulate students’ interest in learning to improve the abstraction ability of students, hands-on