论文部分内容阅读
教学目标:1.经历观察、动手操作、讨论等探索过程,了解长、正方体各要素名称,认识长、正方体的特点。2.根据图形特点,解决简单的有关棱长和的实际问题。3.在活动中积累研究立体图形的基本经验,发展空间观念。教学重点:认识长、正方体特点。教学难点:长正方体间关系;根据棱的特点解决问题。教具、学具:1.学生:每组准备几种长、正方体实物;配置数学
Teaching Objectives: 1. Experience observation, hands-on operation, discussion and other exploration process to understand the long, cube the name of each element, recognize the characteristics of long, square. 2. According to the characteristics of graphics, to solve the simple problem about the actual length and edge. 3. In the activities of accumulation of three-dimensional graphics of the basic experience, the development of space concept. Teaching focus: understanding of long, square features. Teaching difficulties: the relationship between the long cube; according to the characteristics of the prism to solve the problem. Teaching aids, learning tools: 1. Students: each group to prepare several long, square physical; configuration math