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孩子空间观念的形成,只靠观察图形是不够的,还必须让孩子亲自动手操作。可进行的操作方式很多,操作的目的和时间也各异,既可安排在课堂学习之前,也可安排在课堂学习之后,目的都是让孩子发现图形的特征,加深理解,巩固空间观念。操作方式大致有以下几种:1.比一比,量一量。如孩子在理解体积概念时有困难,家长可准备两个同样大小的水杯,里面盛满了水。用橡皮泥捏出两个体积大小差异较大的泥块,用
The formation of children’s space concept, the only observation of graphics is not enough, but also must allow children to operate hands-on. There are many ways of doing things. The purpose and timing of the operations are also different. They can be arranged before the classroom or after the class. The purpose is to let the children discover the characteristics of the figure, deepen the understanding and consolidate the concept of space. The mode of operation is roughly the following: 1. Than a ratio, the amount of an amount. If children have difficulty understanding the concept of volume, parents can prepare two cups of the same size, filled with water. Use the plasticine to pinch out two different sizes of mud with a larger volume