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在教学垂直与平行这个内容时,很多赛课的老师都是选择了垂直与平行的意义和垂线的画法进行教学,很少有人选择平行线的画法这一内容。究其原因,与内容的平淡、方法的单一不无关系,大家都觉得很难上出新意、上出特色。这次,我决定做一个吃“螃蟹”的人。初步研究教材以后,我设计了目测分析、判断平行线,接着验证,最后教学画法。在试教过程中,我将三角板的三种平移方法全部进行了讲解。试教以后的感受是:本该趣味盎然、体现学生自主探
In the teaching of vertical and parallel this content, many class teachers are chosen vertical and horizontal meaning and vertical line teaching method of teaching, few people choose parallel lines of painting this content. The reason, with the content of the plain, the method is not without a single, we all find it hard to make a new idea, on the characteristics. This time, I decided to be a “crab” eating person. After a preliminary study of teaching materials, I designed a visual analysis to determine the parallel lines, followed by verification, the last teaching method. In the process of teaching, I will all three triangular plate translation methods are explained. The feeling after the experiment is: This should be full of fun, reflecting the students explore their own