Posts Tagged ‘proportion’

Mathtrain.TV: Ep.113, Resoudre Des Proportions En Utilisant Le Produit En Croix

Saturday, June 23rd, 2012

“Solving Proportions using Cross Product”.  Yes, it’s in French!  Our first!  And it is the debut from Clem, a 6th grade student from Lincoln Middle School in Santa Monica, CA.  The English captions are included.


Part of the student-created Mathtrain.TV project.
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Mathtrain.TV: Ep.91, Percent of a Number

Saturday, February 12th, 2011

Here is a look at how to figure out “percent of a number” problems using a proportion.


Mathtrain.TV: Episode 63, Sasha Percent

Saturday, February 27th, 2010

Sasha returns to show us how to solve a percent problem by using a proportion.


Mathtrain.TV: Episode 55 “Our First Student Screencast from 2007″

Friday, July 24th, 2009

Here is our first official, student-created mathcast from 2007.  It is the early version,which is not edited too much.  It is a bit longer than most of our math videos.

However, 6th grader “Bob” (not her real name) created this on the spot, with no script and no rehearsal.  It was also her FIRST time ever using Camtasia Studio.  Camtasia Studio is the screen recording software we use.  I thought we should release this as an episode.

*revised for iPod/iPhone

Mathtrain.TV: Episode 44

Thursday, February 19th, 2009

Finding Percents Using Proportion w/ Jerry.


Mathtrain.TV: Episode 15

Saturday, February 16th, 2008

Rate and Proportion. Our 1st Anniversary Mathcast with “Bob”.

(originally aired 02/16/08)