“空间与图形”是《数学课程标准》中安排的四个学习领域之一,其核心目的是发展学生的空间观念。《数学课程标准》描述了空间观念的主要表现,其中包括六个方面:(1)能够由实物的形状想象出几何图形,由几何图形想象出实物的形状,进行几何体与其三视图、展开图之间的转化;(2)能根据条件做出立体模型或画出图形;(3)能从较复杂的图形中分解出基本的图形,并能分析其中 “Space and Graphics ” is one of the four fields of study arranged in the “Mathematics Curriculum Standard”. Its core purpose is to develop the concept of space for students. Mathematical Curriculum Standards describes the main manifestations of the concept of space, including six aspects: (1) the ability to imagine geometry from the shape of the object, the shape of the object from the geometry, the geometry and its three views, (2) can make three-dimensional model or draw graphics according to the conditions; (3) can decompose the basic graphics from the more complex graphics, and can analyze