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Quia
Ixl Learning: Greatest Common Factor
Brush up on your math skills relating to the greatest common factor then try some practice problems to test your understanding.
Shmoop University
Shmoop: Basic Operations: Lcm & Gcf
Students learn about the least common multiple and the greatest common factor. The resource consists of notes, step-by-step examples, and practice problems with solutions.
Free Math Help
Free Math Help: Greatest Common Factor
The lesson investigates the greatest common factor. Explanations and sample exercises are provided.
University of Nottingham
Mars: Finding Factors and Multiples
This lesson is intended to help you to assess how well students are able to understand the meanings of the terms 'Greatest Common Factor' (GCF) and 'Least Common Multiple' (LCM). PowerPoint slides are provided for this lesson.
Calculator Soup
Calculator Soup: Greatest Common Factor Gcf Calculator
Calculate GCF, GCD, and HCF of a set of two or more numbers and see the work using factorization. An interactive calculator, explanations, and examples are included.
Better Lesson
Better Lesson: Greatest Common Factor & Least Common Multiple
Clearly understand the difference between factors and multiples builds a foundation for applications and problem solving using GCF and LCM.
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.
Other
Greatest Common Factor/definition and Example
A walkthrough example of the discovery of the GCF of three numbers. Contains a definition as well.
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 young scholars use their TI-34 calculators to find the greatest common factor. Includes working examples.
Wyzant
Wyzant: Factoring a Gcf From an Expression
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.
Wyzant
Wyzant: Factoring a Gcf From an Expression
Students review factoring a greatest common factor from an expression. The handout consists of an example and answer sheet.
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.
Goodwill
Gcf Global: Beyond Email
Learn about the various ways beyond email of communicating and sharing online.
Goodwill
Gcf Global: Investment Options
Comprehensive tutorial explores the investment options available to you.
Goodwill
Gcf Global: Buying a House
Learn all about the home-buying process, including where to look when searching for a home.
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...
University of Waterloo (Canada)
University of Waterloo: Cemc: Math Circles: Number Theory Ii [Pdf]
This worksheet provides a series of problem-solving questions that require higher order thinking skills. Questions will include finding the greatest common divisor, and least common multiple.
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.
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...
Oswego City School District
Regents Exam Prep Center: Factoring
From pulling out the common factors of a polynomial to giving hints on how to factor a trinomial that does not have a leading coefficient of 1, a comprehensive tutorial for factoring polynomials is given as well as practice, interactive...
Wyzant
Wyzant: Finding a Gcf of Two Terms
Students find the greatest common factor of two terms. An example, practice exercises, and solutions are included.
Wyzant
Wyzant: Finding a Gcf of Two Numbers
Students find the greatest common factor of two numbers. An example, practice exercises, and solutions are included.