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美国的可汗学院,之所以风靡全球,就是因为它凭借一已之力,借助互联网这个平台,将“家庭教师”免费送给渴望知识的人。而这个“家庭教师”就是他所制作的微小的视频,也就是我们所说的微课。我们国内目前的微课制作就是模仿“可汗学院”的模式,但网上查找和资料显示:国内在微课方面研究比较多的还是集中在高校,对于小学阶段制作的微课少之甚少,网上现有的微课中80%以上是教学实录的片断,不算真正意义上的微课。因此在小学数学方面,我们
The reason why the Khan Academy in the United States has become popular in the world is that by virtue of its efforts, it has used the Internet platform to send “tutor” free of charge to those who long for knowledge. And this “tutor ” is the tiny video he made, which is what we call micro classes. Our current micro-class production is to imitate the “Khan Academy” mode, but the online search and data show: the domestic micro-class research is still more concentrated in colleges and universities, for the primary stage of the production of micro-Less Less, more than 80% of the existing micro-class online is a piece of teaching record, not really micro-class. So in elementary mathematics, we