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教学内容:新课标人教版数学三年级上册第七单元长方形和正方形第79页~88页。教学目标:1.通过整理复习使学生进一步掌握长方形、正方形和平行四边形的基本特征,巩固周长的计算方法。2.使学生能应用长方形和正方形的周长计算公式解答有关的实际生活问题,培养学生空间想象和灵活解题的能力。3.逐步形成空间观念和估算意识,感受数学知识与生活的密切联系。4.引导学生在轻松、和谐、愉快的氛围中主动参与、积
Teaching content: New Curriculum PEP Teaching mathematics third grade Volume seventh unit rectangular and square page 79 ~ 88 pages. Teaching Objectives: 1. By finishing the review to enable students to further grasp the basic characteristics of rectangular, square and parallelogram, consolidate the calculation of perimeter. 2. To enable students to use rectangular and square perimeter calculation formula to answer the questions about the actual life, to develop students’ spatial imagination and flexible problem-solving skills. 3. Gradually form the space concept and estimation of consciousness, feel the close relationship between mathematical knowledge and life. 4. To guide students in a relaxed, harmonious and pleasant atmosphere in the active participation, plot