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教学内容:北师大版《义务教育课程标准实验教科书·数学》五年级上册第23~24页。教学目标:1.探索平行四边形的面积计算方法,能正确计算相关图形的面积并解决一些实际问题。2.经历平行四边形的面积计算公式的推导过程,认识转化的数学思想方法并发展学生空间观念。3.进一步培养学生学习兴趣,提高学生自主学习能力和学好数学的信心。教学重点:通过探索活动理解和掌握平行四边形的面积计算公式,会计算平行
Teaching content: Beijing Normal University edition of “compulsory education curriculum standard experimental textbook · Mathematics” fifth grade on the first 23 ~ 24 pages. Teaching Objectives: 1. To explore the method of area calculation of parallelograms, the correct calculation of the area of the relevant graphics and solve some practical problems. Experiencing the derivation process of the area calculation formula of parallelograms, recognizing the mathematical thought and method of transformation and developing the concept of student space. 3. Further develop student interest in learning, improve students’ ability to learn independently and learn math confidence. Teaching focus: Through the exploration of activities to understand and grasp the area of parallelogram formula, will calculate the parallel