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【教学内容】人教版五年级上册多边形面积单元的整理与复习。【教学目标】1.通过整理和复习使学生进一步理解和掌握多边形面积的计算公式,并能解决实际问题。2.通过对多边形之间转化等数学思想和方法的复习和整理,使学生熟练掌握平行四边形、三角形和梯形面积计算公式的推导过程,形成综合思维能力,感悟数学的辩证法。【教学重难点】转换等数学思想方法的系统化。【教学过程】一、回忆探究,梳理沟通1.梳理
Teaching content PEP fifth grade volume Polygon area unit finishing and review. 【Teaching Objectives】 1. By finishing and review so that students can further understand and grasp the formula of polygon area, and can solve practical problems. Through the review and arrangement of the mathematical ideas and methods such as the conversion between polygons, students can master the derivation process of the formula of parallelogram, triangle and trapezoid area to form the comprehensive thinking ability and comprehend mathematics dialectics. Difficult teaching】 【conversion and other mathematical methods of thought systematization. Teaching process First, the memory of inquiry, sort out the communication 1 carding