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【教学内容】苏教版小学数学二年级上册第59页例1,第60页“想想做做”。【教学目标】1.通过实际观察和操作,初步了解线段的一些特征,知道线段是直的,有两个端点,线段是有长短的。2.能根据对线段的初步认识,从一组图形中辨认出线段,数出简单多边形中线段的条数,学会用直尺画线段。3.经历认识线段的活动过程,在直观和抽象中发展思维,进一步增强对数学的好奇心,感受数学与
Teaching content】 【Sujiao primary school mathematics grade two volume on page 59 Case 1, page 60 “Think do ”. Teaching Objectives 1. Through the actual observation and operation, preliminary understanding of some of the characteristics of line segments, that line segments are straight, there are two endpoints, the line segment is the length of the. 2. According to the initial understanding of the line, from a group of figures identified in the line, count the number of lines in simple polygons, learn to use straight lines to draw lines. 3. experience line activities of the process of understanding, visual and abstract in the development of thinking, to further enhance the curiosity of mathematics, feel math and