《国家数学课程标准》强调:“从学生已有的生活经验出发,让学生亲身经历将实际问题抽象成数学模型并进行解释与应用的过程,进而使学生获得对数学理解的同时,在思维能力、情感态度与价值观等多方面得到进步和发展”。 “National Mathematics Curriculum Standard” emphasizes: “From the students’ existing life experiences, let students experience the process of abstracting practical problems into mathematical models and interpreting and applying them, so that students can gain understanding of mathematics while thinking Ability, emotional attitude and values, and many other aspects of progress and development. ”