Posts Tagged ‘principal’

Mathtrain.TV: Ep.93, Simple Interest our 2nd Student Mathcast, 2007

Saturday, February 26th, 2011

This is a remix (we added music) of our 2nd student-created mathcast which aired in 2007.  “Billy Billy” was not her real name.  She picked this name as her alias just after “Bob” picked her alias.

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Mathtrain.TV: Episode 64, Simple Interest

Saturday, March 6th, 2010

Sixth Grade students “Matthew”, “Nathan” & “Harry” make their debut showing us how to solve a simple interest problem.

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