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空间观念是在空间知觉基础上形成起来的,它是物体的大小、形状及其相互位置关系在人脑中的表象及想象。表象是当客观事物不在面前时,人脑对它的形象的反映,具有直观性和概括性,它是由感知觉到概念间的“阶梯”。数学具有高度的抽象性,而小学生往往缺乏感性经验,只有通过操作,获
The concept of space is formed on the basis of spatial perception. It is the representation and imagination of the size, shape and mutual relationship of objects in the human brain. The appearance is the reflection of its image when the objective things are not in front of it. It is intuitive and generalized. It is the “staircase” of perception from the perception. Mathematics has a high degree of abstraction, and pupils often lack emotional experience, only through the operation, won