Free Math Help
Free Math Help: Greatest Common Factor
The lesson investigates the greatest common factor. Explanations and sample exercises are provided.
Wyzant
Wyzant: Finding a Gcf
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.
Teaching Treasures Publications
Teaching Treasures: Year Eight Nine Math (Page 1)
Review a variety of number sense skills using this interactive worksheet. Concepts include greatest common factor, lowest common multiple, rounding to the nearest thousandth, and determining percent. Answers can be checked immediately...
Wyzant
Wyzant: Factoring a Gcf From an Expression
This tutorial demonstrates how to factor the GCF out of a polynomial expression. An online worksheet is provided for extra practice.
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.
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.
Varsity Tutors
Varsity Tutors: Hotmath: Algebra Review: Greatest Common Factor
Find a quick, concise explanation of how to find the greatest common factor. Examples are given and clearly explained.
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...
ClassFlow
Class Flow: Reducing or Simplifying Fractions
[Free Registration/Login Required] This flipchart introduces how to simplify or reduce a fraction to the lowest terms. Prerequisites include: multiplying fractions, factoring, introduction to the concept of 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.
Math Is Fun
Math Is Fun: Factoring (Introduction)
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.
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.
Interactive Mathematics
Interactive Mathematics: Factoring and Fractions
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....
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.
Shmoop University
Shmoop: Fractions & Decimals: Reducing Fractions
The mathematics resource explores how to reduce fractions. Students examine the topic through class notes and examples. Practice problems with solutions are available to check for comprehension of the concept.
That Quiz
That Quiz: Factores
Interactive practice tests dealing with factors. Students will practice the prime factors, greatest common factor and least common multiple.
Calculator Soup
Calculator Soup: Ratio Simplifier
Use this calculator to simplify ratios of the form A : B. A or B can be whole numbers, integers, decimal numbers, fractions or mixed numbers. They can be different types, for example, one fraction and one decimal. The ratio values can be...
Math Aids
Math Aids: Factors Worksheets
Great resource for learning and practicing fractions and their different operations. Math worksheets are printable, may be customized, and include answer keys.
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.
Mocomi & Anibrain Digital Technologies
Mocomi: What Is a Factor in Math?
Explains common factor, greatest common factor, and lowest common factor.