Posts Tagged ‘rate’

Mathtrain.TV:Ep.125, Simple Interest with Student Shane

Monday, January 20th, 2014

Middle school student Shane shows us a Simple Interest problem.  She created this tutorial using the free ScreenChomp app on her iPad and Camtasia Studio was later used for adding the pop ups.

Part of the student-created tutorial project at Mathtrain.TV.
Mathtrain.TV is a free, educational “kids teaching kids” project from Mr. Marcos and his Students at Lincoln Middle School in Santa Monica, CA.
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Mathtrain.TV plays on mobile devices, including iPads & iPhones.
 is a free site for sharing student-created tutorials for all school subjects. Also mobile-enabled.

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.


Mathtrain.TV: Ep.89, Unit Price

Saturday, January 22nd, 2011

Let’s find which is the better buy!  We will find the unit price (unit rate) to compare the two items.


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.


Mathtrain.TV: Episode 15

Saturday, February 16th, 2008

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

(originally aired 02/16/08)