【教学目标】青岛版五四学制五年级下册第2页。【教具、学具准备】教师:多媒体课件、圆规、三角板、圆形物体(教师准备若干圆形纸片)学生:圆规、直尺【教学过程】一、欣赏引入师:同学你们是否留意观察过,在我们生活的大自然中,有许多奇妙的圆形现象,我们一起来欣赏。(多媒体播放美丽的图片)师:平静的水面滴下雨滴、美丽的向日葵、盛开的鲜花、晴日的骄阳、十五的月亮,有人说 Teaching objectives】 【Qingdao version of the May Fourth Year Volume 2. 【Teaching aids, learning preparation】 Teachers: multimedia courseware, compasses, set square, circular objects (teachers prepare a number of round paper) Students: compasses, rulers [teaching process] First, appreciate the introduction of division: students whether you observe carefully In the nature of our lives, there are many wonderful circular phenomena, let’s enjoy together. (Multimedia play beautiful picture) division: calm water dripping raindrops, beautiful sunflowers, flowers in full bloom, sunny sun, fifteen moon, it was said