Curated OER
Greatest Common Factors
In this pre-algebra worksheet, students solve the 18 questions in order to find the greatest common factor of the two or three given numbers.
Curated OER
Problem-Solving Strategy: Use Logical Reasoning
In this problem-solving worksheet, students solve 1 mathematical word problem by figuring out the answers to 7 questions. Students record their answers on the lines provided.
Curated OER
Patterns, measurements, greatest common factors
In this math review worksheet, students complete problems involving patterns, measurements, and greatest common factors. Students complete 7 problems.
Curated OER
Finding the Greatest Common Factor Quiz
In this greatest common factors quiz instructional activity, students solve 20 problems that require them to identify the greatest common factors for lists of numbers. Students also use their problem solving skills to solve 4 word problems.
Curated OER
What Are You - Prime or Composite
Students explore the concept of prime factorization. In this prime factorization lesson, students participate in an activity where they find the prime factorization and greatest common factor of a number derived from their name. Students...
Curated OER
Factors, Prime Factorization, Multiples
Seventh graders examine Prime Factorizations, Multiples, and Factors. In this prime number, factorization, and multiples lesson plan, 7th graders identify greatest common factors and least common multiples. Students use problem solving...
Curated OER
Greatest Common Factor
In this greatest common factor practice learning exercise, students use problem solving skills to find the greatest common factor for 5 pairs of single and double digit numbers.
Curated OER
Common Factors and Greatest Common Factors
In this GCF worksheet, students use factors and GCF's to solve a set of word problems. All problems relate to factors and GCF's.
Curated OER
Common Factors And Greatest Common Factors
In this common factors and greatest common factors worksheet, students, with a partner, problem solve the factors to twenty word problems and mathematical equations.
Curated OER
Greatest Common Factors
Students go over the examples given of the greatest common factors as a class. They then take the information they have studied and apply it by completing the worksheet independently.
McGraw Hill
Glencoe: Self Check Quizzes 2 Greatest Common Factor
Use Glencoe's Math Course 2 randomly generated self-checking quiz to test your knowledge of greatest common factors. Each question has a "Hint" link to help. Choose the correct answer for each problem. At the bottom of the page click the...
McGraw Hill
Glencoe: Self Check Quizzes 1 Greatest Common Factor
Use Glencoe's randomly generated self-checking quiz to test your knowledge of how to find the greatest common factor. Each question has a "Hint" link to help. Choose the correct answer for each problem. At the bottom of the page click...
Varsity Tutors
Varsity Tutors: Hotmath: Practice Problems: Greatest Common Factor 2
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...
Amby Duncan-Carr
Amby Duncan Carr: Amby's Math Resources
Amby's Math Resources site is a tutorial that explains finding the greatest common factor. It also has examples that are done for you step by step, as well as examples for you to try (and check) on your own.
Texas Instruments
Texas Instruments: Greatest Common Factor
Students use a graphing calculator to find the Greatest Common Factor of two or more numbers.
Texas A&M University
Wtamu Virtual Math Lab: Intermediate Algebra: Gcf and Factoring by Grouping
Excellent tutorial on GCF of polynomials, including examples and step-by-step instruction on factoring.
CK-12 Foundation
Ck 12: Arithmetic: Ratios in Simplest Form
[Free Registration/Login may be required to access all resource tools.] In this lesson students simplify ratios by dividing by the greatest common factor. Students examine guided notes, review guided practice, watch instructional videos...
CK-12 Foundation
Ck 12: Arithmetic: Ratios in Simplest Form
[Free Registration/Login may be required to access all resource tools.] In this lesson students write ratios in simplest form. Students examine guided notes, review guided practice, watch instructional videos and attempt practice problems.
Mathigon
Mathigon: Math Foundations: Divisibility and Prime: Greatest Common Factors
This lesson focuses on the greatest common factors it poses real situations and asks students answer them and then it provides more information and more exercises.
Help Algebra
Help algebra.com: Factoring Polynomials
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.
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.
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.
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.
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.