论文部分内容阅读
《认识图形》是北师大版一年级下册第四单元的内容。在学习这一内容之前,学生已经认识了长方体、正方体、圆柱、球四种简单的立体图形,形成了一定的空间观念,具有一定的生活经验,比较关注自己周围的事物。今天,我选取其中的新授部分进行片段教学评析。根据学生的认知发展水平,笔者设计了以下三个教学环节:环节一:找——感知“面在体上”师:(指着由长方形、正方形、三角形和圆组成的拼图)这些图形朋友不但会变魔术,而且还喜欢捉迷藏,它们就藏在我们已经认识
“Recognition of graphics” is the fourth unit of the first grade of Beijing Normal University version of the first volume. Before learning this content, the students have already realized four kinds of simple three-dimensional figures such as cuboid, cube, cylinder and ball, forming a certain space concept, having certain life experience and paying more attention to the things around them. Today, I select one of the new part for fragment teaching evaluation. According to the level of cognitive development of students, the author has designed the following three teaching links: Part one: looking for - perception “face in body ” Division: (pointing to a puzzle composed of rectangles, squares, triangles and circles) These Graphic friends not only magic, but also like to hide and seek, they hid in we have known