Worksheet
Curated OER

Phone Button Boggle

For Students 7th - 9th
In this phone button boggle worksheet, students identify the number of math words they can find on a phone keypad according to given directions.  This one-page worksheet contains one problem.  Answers are provided.
Worksheet
Curated OER

Computations with Fractions Vocabulary Crossword

For Students 5th - 10th
In this fractions crossword, students fill in the blanks to the crossword with vocabulary words representing the computations of fractions. Students complete 17 spaces in the crossword.
Worksheet
Curated OER

New York State Testing Program Mathematics Book 1 Grade 7

For Students 7th
In this grade 7 math knowledge test, 7th graders complete 30 multiple choice problems from a wide variety of math skills.
Lesson Plan
George Mason University

Margo Mankus: Investigating Lcm and Gcf Using Rods

For Teachers 9th - 10th Standards
This lesson plan is for an activity using rods (Cuisenaire Bars) to help students understand the concept of factors, in particular the LCM and GCF of two numbers.
Unit Plan
Mangahigh

Mangahigh: Number: Least Common Multiple and Greatest Common Factor

For Students 4th - 7th Standards
This site provides students practice with the concept of least common multiples and greatest common factors. Students can learn about the topic by completing an interactive tutorial. Students can then take a ten question timed test to...
Lesson Plan
Better Lesson

Better Lesson: Multiples, Lcm, and Gcf

For Teachers 6th Standards
What are multiples? How do they compare with factors? Students work to answer these questions and develop an understanding of greatest common factor and least common multiple.
Unknown Type
Amby Duncan-Carr

Greatest Common Factor/online Lesson

For Students 9th - 10th
A complete lesson on Greatest Common Factors, including methods of finding, examples, and a practice multiple-choice quiz.
Activity
Varsity Tutors

Varsity Tutors: Hotmath: Practice Problems: Greatest Common Factor 2

For Students 9th - 10th Standards
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...
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McGraw Hill

Glencoe: Self Check Quizzes 2 Greatest Common Factor

For Students 6th - 8th Standards
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...
Lesson Plan
Better Lesson

Better Lesson: Gcf and Lcm Word Problems

For Teachers 6th Standards
When would you come across GCF and LCM? Students apply their knowledge of GCF and LCM to solve word problems.
Activity
Cool Math

Coolmath: Gcf's and Lcm's Greatest Common Factor

For Students 4th - 7th Standards
Understand how to find the greatest common factor.
Lesson Plan
Better Lesson

Better Lesson: Gcf and Lcm Quiz

For Teachers 6th Standards
Sixth graders show what they know about greatest common factor and east common multiple.
Lesson Plan
Better Lesson

Better Lesson: Gcf and Lcm Word Problems

For Teachers 6th Standards
Sixth graders differentiate between greatest common factor and least common multiple word problems.
Lesson Plan
Better Lesson

Better Lesson: Gcf and Lcm Project Gallery Walk

For Teachers 6th Standards
Sixth graders further their understanding of finding the greatest common factor and least common multiples.
Lesson Plan
Better Lesson

Better Lesson: Gcf and Lcm Project, Day 1

For Teachers 6th Standards
Sixth graders collaborate on a greatest common factor and least common multiple project.
eBook
Math Planet

Math Planet: Pre Algebra: Finding the Greatest Common Factor

For Students 6th - 8th Standards
Gain an understanding of how to find the greatest common factor by viewing examples and a video lesson. [1:47]
Activity
Cool Math

Coolmath: Gcf's and Lcm's Common Multiples

For Students 5th - 8th Standards
These prealgebra-arithmetic lessons explain greatest common factors (GCF's) and least common multiples (LCM's) and show how to find them.
Activity
Texas A&M University

Wtamu Virtual Math Lab: Intermediate Algebra: Gcf and Factoring by Grouping

For Students 9th - 10th
Excellent tutorial on GCF of polynomials, including examples and step-by-step instruction on factoring.
Unit Plan
Math.com

Math.com: Greatest Common Factor/practice Calculator

For Students 9th - 10th
A page which generates number pairs and allows the user to find and enter the GCF. Keeps a running tally of correct/incorrect answers and has links to in depth review, if needed.
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Soft Schools

Soft Schools: Greatest Common Factor Worksheet

For Students 9th - 10th Standards
Find the greatest common factor between two numbers. You may set the total number of problems per page, the minimum and maximum numbers, and an answer key is optional.
Activity
Discovery Education

Discovery Education: Web Math: Greatest Common Factor

For Students 9th - 10th
This WebMath site contains a tool for locating the greatest common factor. Simply plug in the numbers and you are on your way! Use it to check your answers.
Activity
Texas Instruments

Texas Instruments: Finding the Gcf

For Teachers 6th - 8th Standards
Students simplify fractions by dividing the numerator and denominator by the GCF (the greatest common factor). They check their work by using a calculator.
Activity
Purple Math

Purplemath: Lcm & Gcf

For Students 9th - 10th Standards
Purplemath shows an easy and orderly way to determine the GCF and LCM of any two numbers. Even large numbers won't be a challenge with this method.
Activity
Discovery Education

Discovery Education: Web Math: Factoring Polynomials by Finding the Gcf

For Students 9th - 10th
This WebMath online tool is useful for factoring polynomials by finding the greatest common factor. Simply plug the numbers in and you are on your way!