Mathtrain.TV Podcast
Mathtrain.TV, Ep.109, Remembering the Nines
April 15, 2012
6th grader, "Kermit", shows us 3 interesting ways to remember the 9's - - multiplication by 9.
She recorded and edited the entire screencast by herself!
Part of the student-created Mathtrain.TV project.
Santa Monica, CA, USA
Student-Created Mathcasts from Mathtrain.TV
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