Find the volume inside the cylinder, but outside the sphere.
Podcast: Play in new window | Download (Duration: 3:39 — 4.1MB) | Embed
Archive for the ‘Class Lesson’ Category
Mathtrain.TV:Ep.129, Sphere and Cylinder Volume
Sunday, May 15th, 2016Part 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. StudentCreated.TV is a free site for sharing student-created tutorials for all school subjects. Both sites are mobile-enabled.
Mathtrain.TV:Ep.128, Mini Exponent Review
Sunday, May 15th, 2016A mini-review of multiplying exponents.
Podcast: Play in new window | Download (Duration: 2:40 — 4.4MB) | Embed
Mathtrain.TV: EP.119, Pythagorean Theorem from 6th Grader
Friday, February 1st, 2013Sixth grader, “Poseidon”, makes his debut with a video tutorial on the Pythagorean Theorem. He used his iPad and an app called, Doceri, to create this screencast.
Part of the student-created Mathtrain.TV Project.
NEWS UPDATE:
- Mathtrain.TV has been upgraded. Videos now play on mobile devices, including iPads and iPhones!
- Coming soon, StudentCreated.TV, a free site for sharing student-created tutorials for all school subjects! Open to the world and focused on student content. Videos on this site also play on mobile devices such as iPhone and iPad. Brought to you from the creators of Mathtrain.TV.
Podcast: Play in new window | Download (Duration: 3:05 — 3.2MB) | Embed
Mathtrain.TV: Ep.112, Create a Tessellation!
Sunday, June 10th, 2012Let’s have some fun and create a tessellation!
Part of the student-created Mathtrain.TV project.
Podcast: Play in new window | Download (Duration: 2:44 — 3.7MB) | 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.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: Ep.93, Simple Interest our 2nd Student Mathcast, 2007
Saturday, February 26th, 2011This 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.
Podcast: Play in new window | Download (Duration: 2:31 — 2.1MB) | Embed
Mathtrain.TV: Ep.92, Simple Interest via Banking in HD
Wednesday, February 16th, 2011Simple Interest in the setting of banking.
We are trying this one out in HD.
Podcast: Play in new window | Download (Duration: 4:51 — 12.0MB) | Embed
Mathtrain.TV: Ep.91, Percent of a Number
Saturday, February 12th, 2011Here is a look at how to figure out “percent of a number” problems using a proportion.
Podcast: Play in new window | Download (Duration: 2:50 — 3.7MB) | Embed
Mathtrain.TV: Ep.90, Finding Percents
Saturday, February 12th, 2011Watch 6th grader, papatom, explain how to find percents.
Podcast: Play in new window | Download (Duration: 2:26 — 6.0MB) | Embed
Mathtrain.TV: Ep.88, Metric Conversions II
Wednesday, January 5th, 2011Another look at metric conversions.
Podcast: Play in new window | Download (Duration: 2:31 — 3.2MB) | 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
