Multiplication and Division
Prime Factorization

Finding Factors

This video shows students how to find all of the factors of a number using the divisibility rules and long division.

Factor Trees

This video introduces students to factor trees, a.k.a. the

Greatest Common Factor

This video introduces students to two methods for finding the Greatest Common Factor between numbers. The concept of

Least Common Multiple

This video introduces students to two methods for finding the Least Common Multiple of a set of numbers.