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培养小学生的初步空间观念是小学数学教学目的之一,而空间观念的形成是同几何初步知识教学密切联系着的。事实表明,学生对几何图形特征的掌握及对几何求积问题的计算,很大程度上依赖于空间观念积
The primary spatial concept of cultivating pupils is one of the goals of mathematics teaching in primary schools, and the formation of spatial concepts is closely related to the teaching of preliminary knowledge in geometry. The facts show that students’ mastery of geometric features and calculation of geometric quadrature problems largely depend on the spatial concept product.