University of Vienna (Austria)
University of Vienna: Pulling Common Factors Out
Multiple choice assessment which tests knowledge of "simple" factoring (greatest common factor only), given varying degrees of polynomials.
AAA Math
Aaa Math: Practice Finding Greatest Common Factor
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.
National Council of Teachers of Mathematics
The Math Forum: Finding the Greatest Common Factor of Two Numbers
Math Forum response to question about finding the greatest common factor by using the factoring tree method.
Other
Greatest Common Factor/definition and Example
A walkthrough example of the discovery of the GCF of three numbers. Contains a definition as well.
Other
Greatest Common Factor/example
An example (with full explanation) where a Greatest Common Factor is found.
National Council of Teachers of Mathematics
The Math Forum: Ask Dr. Math: Greatest Common Factors, Least Common Multiples
Math Forum response to request for info on how to find greatest common factors, and how this compares to least common multiples. Explanation includes examples of each.
Other
Locating the Greatest Common Factor
This site provides a detailed example of how to locate the greatest common factor. Is useful for students who need additional help in learning to find the greatest common factor.
ClassFlow
Class Flow: Greatest Common Factor With Monomials
[Free Registration/Login Required] This flipchart addresses the use of monomials when identifying the Greatest Common Factor.
University of Georgia
University of Georgia: Greatest Common Factor
This is geared to teachers with the objective of helping students use their TI-34 calculators to find the greatest common factor. Includes working examples.
Goodwill
Gcf Global: Abbreviations and Acronyms
Learn when and how to use common abbreviations and acronyms.
Cool Math
Coolmath: Gcf's and Lcm's Common Multiples
These prealgebra-arithmetic lessons explain greatest common factors (GCF's) and least common multiples (LCM's) and show how to find them.
McGraw Hill
Glencoe: Self Check Chapter Test Fractions and Decimals
Students are assessed on fractions and decimals. Topics include greatest common factor, improper fractions, and fractions as decimals. The self-checking test includes hints and solutions.
Cool Math
Coolmath: Gcf's and Lcm's Common Factors
These prealgebra-arithmetic lesson explains greatest common factors (GCF's)and shows how to find them.
Math Slice
Math Slice: Greatest Common Divisor (Factor): Math Worksheets
This tool allows you to create worksheets where students must find the greatest common factor in a set of two to four whole numbers.
Math Slice
Math Slice: Greatest Common Divisor (Factor)
This resource allows students to practice finding the greatest common factor among 2, 3, or 4 numbers. Students are able to select parameters of how many numbers they will compare, and the range of possible numbers. There are ten...
Lawrence Hall of Science
The Math Page: Skill in Algebra: Common Factor
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...
Goodwill
Gcf Global: Instagram
In this tutorial, learn how to create and manage an Instagram account.
Goodwill
Gcf Global: Beyond Email
Learn about the various ways beyond email of communicating and sharing online.
Goodwill
Gcf Global: Possessives
Tutorial explores how to use possessive nouns and adjectives correctly.
Goodwill
Gcf Global: Calculating Percentages
Learn how to calculate percentages to help you figure out discounts, interest, and more.
Goodwill
Gcf Global: Planning for Retirement
Use these tactics to develop and stick to a retirement plan.