Posts Tagged ‘school’

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.118, Estimating Fractions w/ “Justin”

Saturday, December 15th, 2012

“Justin”, a 6th grader, makes her debut and shows us how to estimate fractions when multiplying (and dividing).  Part of the student-created Mathtrain.TV Project.

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Mathtrain.TV: Ep.112, Create a Tessellation!

Sunday, June 10th, 2012

Let’s have some fun and create a tessellation!


Part of the student-created Mathtrain.TV project.
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Mathtrain.TV, Ep.111, Area of Trapezoids

Saturday, May 19th, 2012

Debut screencast from 6th grader, “Pixie”, of Lincoln Middle School, in Santa Monica, CA!  “Pixie” shows us how to find the area of a trapezoid.


Part of the student-created Mathtrain.TV project.
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Mathtrain.TV, Ep.108, Basic Trig with Paul

Sunday, April 1st, 2012

“Paul” returns from high school to do a basic trig video. She shows us the famous “soh cah toa” used in trigonometry.

Part of the student-created Mathtrain.TV Project.

Mathtrain.TV, Ep.107, Complete the Square

Saturday, March 24th, 2012

An algebra student had this question for homework.  This is a tutorial for a completing the square problem from Mathtrain.TV.


Mathtrain.TV, Ep.106, Visual of Subtracting Fractions (mixed numbers)

Saturday, March 3rd, 2012

A visual look at subtracting fractions.  This goes along with another video we made several years ago. Here, we use pizza as a way to help visual this subtraction of fractions.

Original video with alternative method is at .
Part of our Mathtrain.TV Project.


Mathtrain.TV: Ep.95, App is Here

Friday, May 6th, 2011

The Mathtrain App is now available in the iTunes Store.

Yup, it’s free.

Created by 8th grade student, Andrew Rothman.


Mathtrain.TV: Episode 54

Wednesday, June 10th, 2009

Probability with Ben & Jerry

6th graders “Ben” and “Jerry” show us a probability example using 2 spinners.


Mathtrain.TV: Episode 46

Sunday, February 22nd, 2009

Adding Integers.


Mathtrain.TV: Episode 45

Saturday, February 21st, 2009

Multiplying Polynomials (FOIL).


Mathtrain.TV: Episode 44

Thursday, February 19th, 2009

Finding Percents Using Proportion w/ Jerry.