Posts Tagged ‘gcf’

Mathtrain.TV:Ep.123, GCF LCM Ladder Method with Kermit

Friday, July 19th, 2013

Find the LCM and GCF using the ladder method, with 7th grader Kermit.
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 now plays on mobile devices, including iPads & iPhones.
 is a free site for sharing student-created tutorials for all school subjects. Videos also play on mobile devices.


Mathtrain.TV: EP.117, Multiplying Fractions w/ “Selena”

Friday, December 14th, 2012

Sixth grader, “Selena”, makes her debut and teaches us how to multiply fractions!  Part of the student-created Mathtrain.TV project.

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Mathtrain.TV: Episode 58 Ladder Method with Jerry

Monday, November 9th, 2009

“Jerry” shows us the Ladder Method for finding the LCM and GCF.

*Revised for ipod/iphone use.

Mathtrain.TV: Episode 36

Saturday, November 29th, 2008

Finding the GCD.


Mathtrain.TV: Episode 34

Tuesday, November 18th, 2008

Euclidean Algorithm.