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...
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.
Goodwill
Gcf Global: Good at Math Game
Play this math game to help the robots and zombies as you practice addition, subtraction, multiplication, and division.
Khan Academy
Khan Academy: Factor With the Distributive Property
Practice applying the distributive property to factor numerical expressions (no variables). Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Texas A&M University
Wtamu Virtual Math Lab: Intermediate Algebra
This site is a tutorial for students in algebra 2 or for those who need a refresher. The site has explanations, definitions, examples, practice problems and practice tests are found covering topics such as linear equations, graphing,...
Better Lesson
Better Lesson: Distributive Property Using the Gcf
Sixth graders will relate area of rectangles to the distributive property.
National Council of Teachers of Mathematics
The Math Forum: Ask Dr. Math: Formula for Greatest Common Divisor.
This site is a question and response to a student asking Dr. Math about the greatest common divisor, he gives an interesting way to find the gcd, as well as the button on calculators which commonly does the math for you.
National Council of Teachers of Mathematics
The Math Forum: Learning to Factor
Math Forum Faq which briefly defines greatest common factor and links to an in-depth investigation of how the GCF is found.
SMART Technologies
Smart: Factors and Multiples
Students are introduced to prime numbers, composite numbers, prime factorization, greatest common factor, and least common multiple in this SMART whiteboard activity.
McGraw Hill
Glencoe Mathematics: Online Study Tools: Factors and Fractions
Students show comprehension of basic arithmetic skills. The online test assesses scholars on factors and fractions. Topics include simplifying fractions, finding the greatest common factor, and evaluating expressions.
Mocomi & Anibrain Digital Technologies
Mocomi: What Is a Factor in Math?
Explains common factor, greatest common factor, and lowest common factor.
Texas A&M University
Wtamu Virtual Math Lab: College Algebra: Factoring Polynomials
This page includes a tutorial which teaches you how to find the Greatest Common Factor (GCF) of a polynomial, factor out the GCF of a polynomial, factor a polynomial with four terms by grouping, factor trinomials, and factor a difference...
Paul Dawkins
Paul's Online Notes: Algebra: Preliminaries: Factoring Polynomials
Detailed math tutorial features notes and examples that illustrate how to factor polynomials. It discusses factoring out the greatest common factor, factoring by grouping, factoring quadratics, and factoring polynomials with degree...
CK-12 Foundation
Ck 12: Elem Math: Reducing Simplest Form Word Problems
[Free Registration/Login may be required to access all resource tools.] For this learning module, students must solve word problems where they are asked to reduce fractions to their lowest terms. Includes video demonstrating a sample...
Calculator Soup
Calculator Soup: Common Factors Calculator
This calculator factors a set of positive integers to find the common factors (common divisors) of those integers. Enter the set of numbers you want to factor separating them with commas.
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...
Discovery Education
Discovery Education: Web Math: Algebra
This WebMath site provides links to tutorials and lessons in both Algebra I and II. Links to topics such as factoring, solving equations, polynomials, simplifying equations, graphing, and much more.
PBS
Pbs Learning Media: Pizza Toppings
This Cyberchase video features Bianca who uses Venn Diagrams to make a pizza that satisfies the topping preferences of her friends.
Wyzant
Wyzant: Algebra Help
Heres a comprehensive review of the basics of algebra. WyzAnt includes lessons on varied topics, calculators that show step-by-step solutions, and interactive worksheets for practicing and testing your skills. Just choose a topic and use...
Elias Saab
Math Drills: Lcm and Gcd Quiz
An interactive quiz which provides students with two numbers and asks them to find either the Least Common Multiple or the Greatest Common Divisor between them. Students input their solution and have the program evaluate it. Hints are...
Ducksters
Ducksters: Kids Math: Simplifying and Reducing Fractions
Understand the steps to do when simplifying and reducing fractions including finding the greatest common factor on this website.