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教学内容:北师大版《义务教育教科书·数学》三年级下册第53页。教学目标:1.充分经历探索长方形的面积计算公式的过程,掌握长方形的面积计算公式,能够解决相关的实际问题。2.发展操作、推理、概括的能力,提高估测能力。3.培养独立思考、合作交流的学习方式,体验数学与实际生活的联系。教学重、难点:理解长方形的面积计算公式的推导过程。教学准备:课件、百宝箱、学习任务单。
Teaching content: Beijing Normal University version of “compulsory education textbooks, mathematics,” the third grade volume of the first 53 pages. Teaching Objectives: 1. To fully experience the process of exploring the formula for calculating the area of a rectangle, master the area formula of a rectangle to solve the related practical problems. 2. The development of operational, reasoning, general ability to improve the ability to estimate. 3. cultivate independent thinking, cooperation and exchange of learning, experience the connection between mathematics and real life. Teaching heavy, difficult: to understand the rectangular area of ?? the calculation of the derivation process. Teaching preparation: courseware, treasure chest, learning task list.