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教学内容:六年制数学第五册长方形的周长。教学目的:通过教师演示教具,学生操作学具,使学生理解周长的意义,联系实际学会求长方形周长的计算方法,结合实际计算有关长方形的周长。在获取知识的过程中培养学生初步的分析、综合的逻辑思维能力。教学过程: 一、复习铺垫1.教师提问:长方形有哪些特征?(长方形有四条边,对边相等,四个角都是直角。) 2.教师出示长10厘米、宽6厘米的长方形
Teaching Content: The sixth volume of mathematics fifth rectangular perimeter. Teaching Objectives: Teachers demonstrate teaching aids, students operate learning tools to enable students to understand the meaning of circumference, contact with the actual learning to find the calculation method of the circumference of the rectangle, combined with the actual calculation of the perimeter of the rectangle. In the process of acquiring knowledge, students are trained to develop a preliminary analysis and comprehensive logical thinking ability. Teaching process: First, review the bedding 1.Teacher questions: What are the characteristics of the rectangle? (Rectangular with four sides, the same side, the four corners are right angles.) 2. Teachers to produce 10 cm long, 6 cm wide rectangle