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教学内容:人教版小学数学义务教育教科书六年级上册“圆的面积”67-68页例1和例2。教学目标:1.理解和掌握圆面积的计算公式,沟通圆与其他图形之间的内在联系,培养观察、操作、分析、概括的能力以及逻辑推理能力。2.经历圆面积计算公式的推导过程,渗透转化、极限以及“化曲为直”等数学思想方法,并能运用圆的面积计算公式解决简单的实际问题。3.培养学生自主探索、合作交流的能力,发展创
Teaching content: PEP primary school mathematics compulsory education textbook sixth grade on the volume “area of the circle ” 67-68 page cases 1 and 2. Teaching Objectives: 1. To understand and grasp the calculation formula of circular area, to communicate the inner relationship between circles and other graphics, and to develop the abilities of observation, operation, analysis, generalization and logical reasoning. 2. Experiencing the derivation process of circular area calculation formula, infiltration transformation, limit and “inflectional straight ” and other mathematical thinking methods, and can use the circular area calculation formula to solve simple practical problems. 3. Students develop their own ability to explore, cooperate and exchange, development and innovation