论文部分内容阅读
一、教学目标①使学生了解轴对称图形的特征,能正确数出轴对称图形的对称轴数量。②通过操作,锻炼学生的动手能力,发展学生的创造思维,培养学生的合作意识。③通过观察、讨论、创作,使学生体会轴对称图形的美,对学生进行美育教育。二、教学用具①教师准备剪刀、蜡光纸、白纸、多媒体、美丽的轴对称图形,学过的各种平面图形、创作题。②学生准备剪刀、蜡光纸、白纸、各种已学过的平面图形(四人合一套)。
First, the teaching objectives ① to enable students to understand the characteristics of the axisymmetric graphics, the number of axes out of symmetry symmetry axis number. ② through the operation, training students ability to develop students ’creative thinking, cultivate students’ sense of cooperation. ③ through observation, discussion, creation, so that students appreciate the beauty of axisymmetric graphics, aesthetic education for students. Second, the teaching aids ① teachers to prepare scissors, glossy paper, white paper, multimedia, beautiful axisymmetric graphics, learned a variety of graphic graphics, creative questions. Students prepare scissors, glossy paper, white paper, all kinds of graphic (4 in 1 set).