课堂教学中出现的种种意料之外,有些是有价值的,有些是没有价值的。如何避免无价值的瑕疵,捕捉有价值的亮点,让预设与生成达到完美的统一,让课堂能绽放出更绚丽的光彩,现结合自己教学中具体实例,谈谈我的想法。教学《找规律》的第二课时,教学内容是把图形沿两个方向平移后的次 Some of the unexpected things that come out of classroom teaching are valuable and some are of no value. How to avoid worthless flaws, to capture valuable highlights, so that presets and generate a perfect unity, so that the classroom can bloom a more brilliant luster, are now combined with their own teaching examples to talk about my ideas. Teaching “find the law” in the second class, the teaching content is to translate the graphics along the two directions