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课例说明:本课例是在苏教版教材第12册第107页的“练习与实践”中的12、13题的基础上进行的拓展延伸,以此培养学生丰富的想象力与解决实际问题的能力。教学目标:1.通过设计包装箱,使学生对长方体的表面积和体积这部分知识进一步系统化;2.通过动手操作,培养学生的实践探索能力;3.通过解决实际问题,让学生感受到数学与生活的密切联系。
Case Description: This lesson is based on the 12th chapters of the “Practice and Practice” in Chapter 12, page 107 of the Sujiao Edition textbook, which is based on the expansion and extension, in order to cultivate students’ rich imagination and The ability to solve practical problems. Teaching objectives: 1. Through the design of the box, so that students on the surface area and volume of the cuboid further knowledge of this part of the system; 2. Through hands-on training to develop practical exploration skills; 3. By solving practical problems, so that students feel the math Close relationship with life.