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空间观念是指对物体的方向、大小和形状的知觉,是客观世界空间形式在人脑中的表象。重视培养学生的空间观念,既有助于学生更好地认识世界,解决日常生活中的问题,又为今后进一步系统学习几何知识打下良好的基础。现就《长方体和正方体》这一单元
The concept of space refers to the perception of the direction, size and shape of an object and is the appearance of an objective world space form in the human brain. Paying attention to cultivating students’ space concept not only helps students to better understand the world, solve problems in their daily life, but also lay a good foundation for further systematic study of geometric knowledge in the future. Now on the “cuboid and cube” this unit