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教学目标1.回忆圆的基本知识,能正确快速计算圆的面积和周长。2.感受多种方法解决问题的策略,渗透基本的数学思想和方法。3.在解决问题的过程中获得成功的乐趣。
Teaching Objectives 1. The basic knowledge of the circle, can quickly and accurately calculate the circle area and perimeter. 2. Feel a variety of ways to solve the problem strategy, infiltration of basic mathematical ideas and methods. 3. Have fun in solving problems.