都说数学的课堂是动态生成的,在学生参与学习的过程中,总会发生这样那样的一些有趣的,或者是发人深省的事情。或许,这些事情的发生,不在你的意料之内,让你有些难堪。但它却实实在在发生在我们的身边,让我们做个有心人,把它记录下来,冷静下来后重新对它审视一翻。教学内容:平行线的认识知识背景:学生在前一堂课刚学习了垂线的相关知识,本课时教师将引导学生继续学习同一平面内两条直线的另一种关系——平行。为了更好地理解平行关系,我让学生回 Say that the mathematics classroom is dynamically generated, in the process of student participation in learning, there will always be such a kind of funny, or thought-provoking things. Perhaps, these things happen, not in your expectation, make you a bit embarrassed. But it really happened to us, let us be a caring person, record it, calm down and re-examine it twice. Teaching Content: Knowledge of Parallel Lines Background: Students just learned the knowledge about vertical lines in the previous lesson. In this class, teachers will guide students to continue studying another relationship between two straight lines in the same plane - parallel. In order to better understand the parallel relationship, I let the students back