【教学内容】本设计针对的是苏教版四年级数学下册43~45页内容。【教学目标】1.让学生们认识平行四边形的特征,学会测量并准确画出平行四边形的高。2.结合现实生活中的事例,通过观察、操作、比较、判断等方式,感受平行四边形的特征,进一步拓宽认识图形的视野,深化认识空间的观念。3.让学生体会平行四边形在实际生活中的实际应用,培养学生数学联系生活的意识,让学生在学习平行四边形的时候,通过 【Content】 This design is for the fourth grade of the Soviet version of mathematics books 43 ~ 45 pages of content. 【Teaching Objectives】 1. Let students know the characteristics of parallelograms, learn to measure and accurately draw the height of the parallelogram. 2. With the examples in real life, through the observation, operation, comparison, judgment and other means, feel the characteristics of parallelogram to further broaden the understanding of the visual field of view, deepen the concept of space. 3. Let students understand the practical application of parallelograms in real life, develop students’ awareness of the relationship between mathematics and life, so that students learn through the parallelogram, by