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1.应用多媒体培养学生的观察能力。比如在学习“旋转与平移”这一教学内容时,对于“旋转”“平移”的概念,学生理解起来有一定困难。如果把单纯对文字概念的理解转化为具体、形象的动态图形,学生理解起来就会变得轻松,并且会激发学生的学习兴趣。于是,我制作了多媒体课件,分别把正方形、长方形、不规则图形的“旋转”与“平移”的动态过程在大屏幕上清晰地展示出来,并把“旋转”与“平移”的运动轨迹用红线标出
1. Application of multimedia to develop students’ ability to observe. For example, learning the “rotation and translation” of the teaching content, the concept of “rotation ” “translation ”, students have some difficulties understanding. If you simply understand the concept of text into concrete, dynamic image of the image, the students will become easier to understand, and will stimulate students interest in learning. So, I made a multimedia courseware, which showed the dynamic process of “rotation” and “panning” of square, rectangle and irregular graph clearly on the big screen respectively, and put “rotation” and “ The movement of ”pan" is marked with a red line