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立体图形的学习在小学阶段虽然只占有很小的比例,却是学生在小学阶段的难题之一,空间形式最主要的表现就是“图形”。除了美术,只有数学把图形作为基本的、主要的研究对象。立体的空间既是三维的空间,也是人类生存的现实空间,认识空间图形,培养和发展学生的空间想象能力和几何直观能力是小学数学课程中重要的教学部分。
Although the study of stereoscopic graphics occupies a small proportion in primary school, it is one of the difficult problems for students in primary school. The most important manifestation of spatial form is “graphics”. In addition to fine arts, only mathematics uses graphics as a basic, major research object. The three-dimensional space is not only a three-dimensional space, but also a realistic space for human beings to live. Understanding spatial patterns and cultivating and developing students’ spatial imagination ability and geometric intuitionism are important teaching parts in elementary mathematics curriculum.