Activity
5280 Math

Polygon Polynomials

For Teachers 8th - 12th Standards
Patterns in polygons lead to patterns in polynomials. Presented with a series of polygons, individuals create polynomial expressions to represent their patterns. The algebra project consists of nine problems that incorporate polynomial...
Activity
Varsity Tutors

Varsity Tutors: Hotmath: Practice Problems: Greatest Common Factor 2

For Students 9th - 10th Standards
Twenty-four problems present a variety of problems working with finding the greatest common factor and finding prime factorizations. They are given with each step to the solution cleverly revealed one at a time. You can work each step of...
Activity
Other

Help With Fractions: The Greatest Common Factor

For Students 3rd - 8th Standards
Two different methods of finding the greatest common factor are explained at this one page website. It is very easy to follow the step by step directions.
Activity
Purple Math

Purplemath: Lcm & Gcf

For Students 9th - 10th Standards
Purplemath shows an easy and orderly way to determine the GCF and LCM of any two numbers. Even large numbers won't be a challenge with this method.
Activity
Texas A&M University

Wtamu Virtual Math Lab: Intermediate Algebra: Gcf and Factoring by Grouping

For Students 9th - 10th
Excellent tutorial on GCF of polynomials, including examples and step-by-step instruction on factoring.
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!
Activity
Wyzant

Wyzant: Factoring a Gcf From an Expression

For Students 9th - 10th Standards
The tutorial explains how to factor a greatest common factor from an expression. The resource includes a lesson with examples, practice problems, and an expression-factoring calculator.
Activity
Wyzant

Wyzant: Factoring a Gcf From an Expression

For Students 9th - 10th
This tutorial demonstrates how to factor the GCF out of a polynomial expression. An online worksheet is provided for extra practice.
Activity
Wyzant

Wyzant: Factoring a Gcf From an Expression

For Students 9th - 10th Standards
Students review factoring a greatest common factor from an expression. The handout consists of an example and answer sheet.
Activity
Wyzant

Wyzant: Finding a Gcf

For Students 9th - 10th Standards
In this lesson from WyzAnt, students learn how to find the greatest common factor (GCF) for numbers and expressions. There are practice problems and a GCF calculator for assistance.
Activity
National Council of Teachers of Mathematics

The Math Forum: Finding the Greatest Common Factor of Two Numbers

For Students 9th - 10th
Math Forum response to question about finding the greatest common factor by using the factoring tree method.
Activity
AAA Math

Aaa Math: Practice Finding Greatest Common Factor

For Students 9th - 10th Standards
This lesson contains a learning exercise in which the user has to find the greatest common factor and type it in. The exercise keeps track of how many right and wrong answers given and gives you a grade.
Activity
Lawrence Hall of Science

The Math Page: Skill in Algebra: Common Factor

For Students 9th - 10th
Here is a site that thoroughly explains many topics related to factoring out the greatest common factor from a sum or a polynomial expression. There are example problems, problems for the student to attempt, and answers to the student...
Activity
Interactive Mathematics

Interactive Mathematics: Common Factor & Difference of Squares

For Students 9th - 10th
These easy to follow examples demonstrate how to factor algebraic expression using GCF and difference of squares.
Activity
Texas Instruments

Texas Instruments: It's Greek to Me

For Teachers 6th - 8th
Students learn Euclid's Method of finding the Greatest Common Factor of large numbers. They also review finding GCF using prime factorization and listing.
Activity
Varsity Tutors

Varsity Tutors: Hotmath: Graphing Calculator Practice Problems Number Theory

For Students 9th - 10th Standards
Practice using your graphing calculator for number theory problems, including prime factorization, greatest common factor, least common multiple, and scientific notation. If you get stumped or if you would like to check your work, then...
Activity
University of Saskatchewan (Canada)

University of Saskatchewan: Factoring Polynomials

For Students 9th - 10th
This site from the University of Saskatchewan provides an explanation of factoring by grouping, greatest common factor, perfect squares, and difference of squares. Higher degree polynomials factored as well. Some examples provided along...
Activity
Math Is Fun

Math Is Fun: Factoring (Introduction)

For Students 9th - 10th
Students learn about factoring in this mathematics resource. Topics include factoring identities and common factors. The resource consists of definitions and examples related to factoring.
Activity
Interactive Mathematics

Interactive Mathematics: Factoring and Fractions

For Students 9th - 10th Standards
Polynomials are the focus of these lessons, concentrating on factoring and special products to work with rational expressions. Interactive tools of Live Math and Scientific Notebook are used to provide animated solutions to the examples....
Activity
Help Algebra

Help algebra.com: Factoring Polynomials

For Students 9th - 10th
Several types of factoring are covered in this article, including common factors, grouping, special factors, and completing the square. The examples include detailed explanations of the factoring process.
Activity
Help Algebra

Help algebra.com: Steps for Factoring Trinomials

For Students 9th - 10th
Ever have trouble knowing where to start factoring? This summary gives steps for how to factor and tips on what to look for in the quadratics.
Activity
Purple Math

Purplemath: Algebra Resources

For Students 9th - 10th
Purplemath contains about 40 different lessons on various algebra topics. The lessons are divided into five different sections: preliminary topics, beginning algebra, intermediate algebra, advanced algebra, and word problems. The lessons...
Activity
Wyzant

Wyzant: Factoring Calculator

For Students 9th - 10th Standards
The calculator factors expressions by expanding and combining like terms, dividing a greatest common factor, and identifying between two squares or factorable trinomials. An example expression and quick-start guide are included.