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教学内容:青岛版《义务教育课程标准实验教科书·数学》五年级上册第81～83页。教学目标:1.使学生经历自主探索三角形的面积计算公式的过程,理解三角形的面积计算公式并能正确运用这一公式来解决实际问题。2.培养学生观察、想象、概括和动手操作能力,渗透转化思想,发展空间观念。
Teaching content: Qingdao version of “compulsory education curriculum standard experimental textbook mathematics” fifth grade on the first 81 ~ 83 pages. Teaching Objectives: 1. To enable students to go through the process of autonomous exploration of the triangle area calculation formula, to understand the triangle area calculation formula and to correctly apply this formula to solve practical problems. 2. Cultivate students’ abilities of observation, imagination, generalization and hands-on operation, infiltrate the idea of transformation and develop the concept of space.