Activity
Discovery Education

Discovery Education: Web Math: Factoring Polynomials by Finding the Gcf

For Students 9th - 10th
This WebMath online tool is useful for factoring polynomials by finding the greatest common factor. Simply plug the numbers in and you are on your way!
eBook
Mathigon

Mathigon: Math Foundations: Divisibility and Prime: Greatest Common Factors

For Students 6th - 8th Standards
This lesson focuses on the greatest common factors it poses real situations and asks students answer them and then it provides more information and more exercises.
Unit Plan
PBS

Pbs: Greatest Common Factor

For Students 6th - 8th Standards
In this video, learn how to find the greatest common factor of two numbers. Then, see how this can be used to solve problems with large numbers. In the accompanying classroom activity, students learn to find prime factors using factor...
Graphic
Free Math Help

Free Math Help: Greatest Common Factor

For Students 9th - 10th Standards
The lesson investigates the greatest common factor. Explanations and sample exercises are provided.
Lesson Plan
Better Lesson

Better Lesson: Distributive Property Using the Gcf

For Teachers 6th
Sixth graders will relate area of rectangles to the distributive property.
Article
Mocomi & Anibrain Digital Technologies

Mocomi: What Is a Factor in Math?

For Students 2nd - 8th Standards
Explains common factor, greatest common factor, and lowest common factor.
Unit Plan
Wyzant

Wyzant: Factoring Completely

For Students 9th - 10th
The resource examines the algebra topic of solving equations. Students view the tutorial to review how to solve by factoring. The lesson consists of the greatest common factor, difference between two squares, and trinomial techniques. An...
Unit Plan
The Math League

The Math League: Fractions

For Students 9th - 10th
This tutorial covers all types of fractions with simple explanations on how to work with them.