一年级数学上册第4单元《认识图形(一)》单元分析素材新人教版.doc

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1认识图形(一)教材分析已学过相关内容 本单元主要课时内容后续学习内容年级学期 主要内容幼儿园幼儿认识球体、圆柱体,能根据形体特征进行分类。知道一些简单的平面图形。认识立体图形搭一搭一下:认识图形(二)认识平面图形:长方形、正方体、三角形、圆形、平行四边形。二上:角的初步认识三上:长方形和正方形教材课时建议1.单元学习目标通过分类、观察、动手操作等活动,认识长方体、正方体、圆柱和球,并能准确辨认和区别这些图形。在对生活中的实际物体进行分类的活动中渗透分类思想。学生的观察、想象、表象思维和语言表达的能力以及建立空间观念得到初步的培养,感受数学与实际生活的练习。2.本单元学习时间约 3 课时,具体分配如下:认识立体图形1 课时搭一搭1 课时整理和复习1 课时

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