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义务教育阶段的数学教学目的在于使学习者通过数学教育获得全面发展,形成现代公民应该具备的基本素养。“图形与几何”这一研究数量关系和空间形式的领域作为数学的重要组成部分,其核心价值在于发展学生的空间观念。《数学课程标准(2011年版)》指出:“空间观念主要是指根据物体特征抽象出几何图形,根据几何图形想象出所描述的实际物体;想象出
The purpose of compulsory education in mathematics teaching is to enable learners to obtain all-round development through mathematics education and to form the basic qualities that modern citizens should have. ”Graph and geometry “ This research quantity relation and space formal domain as the important part of mathematics, its core value lies in developing student’s space idea. The Standard of Mathematical Curriculum (2011 Edition) states: ”The concept of space mainly refers to the abstraction of geometrical figures based on the characteristics of objects and the visualization of the actual objects according to the geometrical figures.