The second half of my trip, here in Port Elizabeth, I have been working with the university which has a substantial project placing computers in impoverished schools. In South Africa not only is there a national curriculum, there is a national sequence of topics. That means everyone is teaching how to solve linear equations at the same time across the country. Many poor and rural schools lack qualified teachers, especially in math and science. It makes sense to take advantage of technology to help fill the gap. That might mean watching a video, a live internet broadcast lesson, or using interactive software. Is a computer as good as a teacher? Nope. But it is a lot better than no teacher. The best is a combination of both.
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