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教学目标:1.利用表面积等有关知识,探索多个相同正方体叠放后表面积的变化规律,激发主动探索的欲望。2.通过解决包装问题,体验策略的多样化,发展优化思想。3.在操作、观察、分析等活动中,综合运用有关知识,解决物体表面积的问题,发展空间观念。4.体验解决问题的基本过程和方法,提高解决问题的能力。
Teaching Objectives: 1. Using the surface area and other related knowledge, to explore the change of surface area of the same cube after stacking, to stimulate the desire of active exploration. 2. Through the solution to packaging problems, experience the diversity of strategies, the development of optimization thinking. 3. In the operation, observation, analysis and other activities, the integrated use of knowledge, to solve the problem of surface area, the development of space concept. 4. Experience the basic process of solving problems and methods to improve the ability to solve problems.