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.
Mathtrain.TV now plays on mobile devices, including iPads & iPhones.
StudentCreated.TV is a free site for sharing student-created tutorials for all school subjects. Videos also play on mobile devices.
Podcast: Play in new window | Download (Duration: 2:20 — 4.2MB) | Embed
Or, listen on the November Learning’s iTunes 
