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《数学课程标准》指出:数学是人们生活、劳动和学习必不可少的工具,能够帮助人们处理数据、进行计算、推理的证明,数学模型可以有效地描述自然现象;义务教育阶段的数学课程,其基本出发点是促进学生全面、持续、和谐地发展。它不仅要考虑数学自身的特点,更要遵循学生学习数学的心理规律,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,进而使学生在获得对数学理解的同时,思维能力、情感态度与价值观等多方
Mathematical Curriculum Standards states that mathematics is an indispensable tool for people’s life, work and study, can help people to process data, make calculations and reasoning. Mathematical models can effectively describe natural phenomena. Mathematics courses in compulsory education, Its basic starting point is to promote students’ comprehensive, sustained and harmonious development. It should not only consider the characteristics of mathematics itself, but also to follow the psychological laws of students to learn mathematics, emphasizing students’ existing life experience, allowing students to experience the practical problems of abstract mathematical model and explain the process and application, and thus Students gain understanding of mathematics at the same time, thinking skills, emotional attitudes and values, etc.