Instructional Video4:51
Curated OER

How Do You Factor a Polynomial Using Sum of Cubes?

8th - 11th
Factor a binomial using the sum of cubes method. The strategy here is to rewrite each of the expressions in the binomial as a term cubed. That's just two steps. Ok. Wait! There is a formula that is used to finish factoring the binomial....
Instructional Video2:42
Curated OER

Estimating Volume with Cubes

7th - 9th
Using a graph, a bullion cube, and a harmonica case, this math guru shows how to estimate the volume with cubes. He explains how to multiply fractions together to estimate volume. This video may be too general for struggling learners.