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《义务教学数学课程标准》(2011年版)明确指出,“模型思想”的建立是学生体会和理解数学与外部世界联系的基本途径.在数学中,建立和求解模型的过程包括:从现实生活或具体情境中抽象出数学问题,用数学符号建立方程、不等式、函数等表示数学问题中的数量关系和变化规律,求出结果并讨论结果的意义.数学教学中,教师引领学生建构模型,让他们体会对知识的收集、整理、分析过程,积累经验和感受,从而获得数学学习的兴趣,达
The compulsory teaching mathematics curriculum standards (2011 edition) clearly states that the establishment of “model thinking ” is the basic way for students to understand and understand the connection between mathematics and the outside world.In mathematics, the process of establishing and solving models includes: from the reality Life or concrete situation abstract mathematical problems, the use of mathematical symbols to establish equations, inequalities, functions and other mathematical problems that the relationship between quantity and variation, find the results and discuss the meaning of the results.In mathematics teaching, teachers lead students to construct models, Let them understand the knowledge gathering, sorting, analysis process, gain experience and feelings, so as to obtain the interest of mathematics learning, up to