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教学内容:人教版《义务教育教科书·数学》五年级上册第87~88页。教学目标:1.使学生能运用数方格、割补等方法探索平行四边形的面积计算公式,初步感受转化思想,能够运用公式正确计算平行四边形的面积。2.通过操作、观察、比较发展学生的空间观念,培养学生运用转化的思想方法解决问题的能力。3.通过活动培养学生的合作意识和探索创新精神,让学生自我展示、自我激励、体验成功,在不断尝试中激发求知欲、陶
Teaching content: PEP “compulsory education textbook mathematics” fifth grade on the first 87 ~ 88 pages. Teaching Objectives: 1. To enable students to use the number of squares, cut and other methods to explore the area of parallelogram calculation formula, the initial impression of transformation, the formula can be used to correctly calculate the area of parallelograms. 2. Through the operation, observation, comparison and development of students’ space concept, training students to use the transformation of the thinking method to solve the problem. 3. Through the activities to cultivate students’ sense of cooperation and explore the spirit of innovation, so that students self-display, self-motivation, experience success, in constant attempts to stimulate curiosity, Tao