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Proportion using Photos by "Bob"

[This was our FIRST STUDENT VIDEO WE MADE. It was back in 2007 and is a bit rough since we were new to screencasting. But it was a wonderful video that "Bob" created totally unscripted.] Middle school student, "Bob", shows us how to solve a real-life proportion problem. More free math videos at and on iTunes. Go to the iTunes Store and search "mathtrain" to subscribe for free.
Length: 03:19


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