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为了更好地让学生感悟长方体面、棱、顶点的特征,并直观感悟立体图形的三维空间,建立初步的空间观念,利用学生亲自动手操作与观看多媒体课件相结合进行知识的探究,利用课件三维空间的立体效果让学生充分理解长方体的特征,高效地达成了教学目标。
In order to better enable students to perceive the characteristics of cuboid, edge and vertex, and intuitively perceive the three-dimensional space of stereoscopic graphics, to establish the initial space concept, to use the students hands-on operation and watching multimedia courseware combined knowledge exploration, Three-dimensional effect of space for students to fully understand the characteristics of cuboids, and effectively achieve the teaching objectives.