“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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Posts Tagged ‘fraction’
Mathtrain.TV: EP.118, Estimating Fractions w/ “Justin”
Saturday, December 15th, 2012Mathtrain.TV: EP.117, Multiplying Fractions w/ “Selena”
Friday, December 14th, 2012Sixth grader, “Selena”, makes her debut and teaches us how to multiply fractions! Part of the student-created Mathtrain.TV project.
Podcast: Play in new window | Download (Duration: 0:53 — 1.8MB) | Embed
Mathtrain.TV, Ep.106, Visual of Subtracting Fractions (mixed numbers)
Saturday, March 3rd, 2012A 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 http://youtu.be/yXiG2iv1Vq8 .
Part of our Mathtrain.TV Project.
Podcast: Play in new window | Download (4.5MB) | Embed
Mathtrain.TV, Ep.105, Fraction Busters w/”Rebecca”
Thursday, November 24th, 20117th grader, “Rebecca”, introduces us to fraction busters – a way to simplify solving equations.
Podcast: Play in new window | Download (Duration: 2:33 — 3.7MB) | Embed
Mathtrain.TV: Ep.100: Writing Repeating Decimals as Fractions in Simplest Form
Tuesday, September 13th, 2011A look at how to write repeating decimals as fractions in simplest form.
Podcast: Play in new window | Download (Duration: 2:49 — 4.0MB) | Embed
Mathtrain.TV: Episode 81, Percents to Fractions
Thursday, November 11th, 2010Student, “Phinease”, returns to show us a quick and easy way to remember how to convert percents into fractions.
Podcast: Play in new window | Download (Duration: 1:15 — 4.6MB) | Embed
Mathtrain.TV: Episode 80, The MegaHunk Bar
Monday, November 8th, 2010Fractions!
This is the story of Rob and the MegaHunk Chocolate Bar that he ate. But he did not eat the whole thing. And he did not even start off with an entire bar.
See how to solve this several ways, including visually. This problem was adapted from my former colleague, Dr. Marcy, and his Marcyworks!
As seen on Mathtrain.TV!
Podcast: Play in new window | Download (Duration: 4:00 — 9.8MB) | Embed
Mathtrain.TV: Episode 79: Kat Divides Fractions
Sunday, November 7th, 2010Student, “Kat”, shows us another way to remember how to divide fractions.
[As seen on Mathtrain.TV.]
Podcast: Play in new window | Download (Duration: 0:58 — 3.2MB) | Embed
Mathtrain.TV: Episode 41
Monday, January 26th, 2009Mathtrain.TV: Episode 38
Friday, January 2nd, 2009Mathtrain.TV: Episode 32
Wednesday, October 29th, 2008Mathtrain.TV: Episode 21
Thursday, June 12th, 2008Quick Look at Dividing Fractions.
Podcast: Play in new window | Download (Duration: 0:47 — 1.1MB) | Embed
