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教学目标:1.认识索玛方块的组成,了解索玛方块的来历。经历用组件拼图形的过程,巩固有关图形表面积、体积的相关知识及观察物体的能力。2.在活动中激发学习兴趣,积累拼立体图形的经验,发展空间观念和想象力。教学重点:认识索玛方块,逐步积累拼图形的方法,提高观察物体的能力。教学难点:探究拼图形的方法,发展空间观念。教具与学具:索玛方块、课件。教学过程:活动一:拼组方块了解来源(一)拼小正方体,引出7个组件。1.回顾正方体的特点、表面积及体积等相关知识。
Teaching Objectives: 1. To understand the composition of Soma square to understand the origins of Soma square. Experience the process of using component puzzle, consolidate the related surface area, volume of knowledge and the ability to observe objects. 2. In the activities to stimulate interest in learning, the accumulation of experience in building body graphics, the development of space concepts and imagination. Teaching focus: Understanding Soma square, and gradually accumulate puzzles way to improve the ability to observe objects. Difficulties in teaching: to explore the puzzle method, the development of space concept. Teaching aids and learning tools: Soma box, courseware. Teaching process: Activity one: grouping square Understand the source (a) fight small cube, leads to seven components. 1. Review cube features, surface area and volume and other related knowledge.