Cross-canceling (multiplying fractions), with “Paul”.
(originally aired 08/24/07)
*Re-recorded for proper play on the iPod/iPhone.
Podcast: Play in new window | Download (Duration: 1:19 — 2.7MB)
Tags: adding, fractions, k-12, lcd, lincoln, math, mathcast, mathtrain, mr. marcos, Paul, school, student, teacher, video