教学内容 :九年义务教育六年制小学教科书数学第八册P154。教学目的 :知识技能目标 :1 沟通本单元所学几何图形之间的联系。2 准确掌握所学平面图形的特征。3 初步学会整理和复习的学习方法。智能性目标 :1 经历讨论、交流的学习活动 ,培养学生合作学习的意识和能力。2 在探寻 Teaching content: Nine years of compulsory education Six years of primary school textbooks eighth volumes of mathematics P154. Teaching Objectives: Knowledge and Skills Objectives: 1 Communication between the geometry of the unit to learn. 2 accurate grasp of the characteristics of the plane graphics. 3 preliminary learn to organize and review learning methods. Intelligence Objectives: 1 to experience the exchange of learning activities, training students awareness and ability of cooperative learning. 2 in search