This QuickTime movie provides an opportunity to discover the formula for finding the number of edges on a polyhedron. As you watch and listen to the teacher and student interact it helps clarify the thinking behind applying this concept.

Learn to measure the volume of rectangular prisms with cube units by watching this video lesson. [2:12]

Given this lesson and the formula, you'll be able to calculate the volume of a cube. It is 4 of 5 in the series titled "Volume of a Cube."

Learn how to expand the sum and the difference of a binomial to the third power with this video. [5:35]

This is part three of the series on learning how to expand the sum and the difference of a binomial to the third power. [3:41]

This is part two of the series on learning how to expand the sum and the difference of a binomial to the third power. [4:47]