Curated OER
Greatest Common Factor
These multiples share a few factors, but which one is the greatest? Scholars list the factors for various number pairs, first just indicating common factors. Next, they do the same but write down the greatest common factor. Finally,...
Curated OER
Greatest Common Factor and Least Common Multiple Story Problems
For this story problems worksheet, students determine whether to find either the greatest common factor or the least common multiple in order to solve the problem.
Curated OER
Using a Factor Tree to Find the GCF
Learners use the example of a factor tree to find the greatest common factor of three numbers in four problems.
Curated OER
Greatest Common Factor
Given 10 number pairs, learners find the greatest common factor for each. For several, one of the numbers is the greatest common factor, and for others mathematicians will need to think a little harder. There space for learners to show...
Curated OER
Smart Cookie Factors
Learners examine the concept of finding the greatest common factor. They complete number of activities as they practice identifying prime and composite numbers. Pupils apply rules of divisibility and find the greatest common factor while...
Curated OER
Greatest Common Factor
In this finding the greatest common factor quiz worksheet, students observe two numerals in each data set and solve. Students solve 10 problems.
Math Mammoth
Greatest Common Factor
In this math activity, learners find the greatest common factor for 5 sets of problems. The 5th set uses a graphic representation to help with comprehending the concept.
Curated OER
Find the Factors and Prime Factors
Show the class how to find the factors of numbers. They use a variety of strategies, including unifix cubes, to find the factors of a whole number. This resource includes clear procedure to follow. Included are an anticipatory set,...
Scholastic
Study Jams! Simplest Form
Make math simple with this step-by-step presentation on fractions in their simplest form. Multiple approaches are introduced including, most efficiently, the division of numerators and denominators by their greatest common factor. Work...
Curated OER
Greatest Common Factor
In this greatest common factor learning exercise, learners find the greatest common factor of 2 numbers that are up to 20. Students complete 10 problems.
Curated OER
Greatest Common Factor
In this greatest common factor worksheet, students make a list for 2 numbers of their factors, and circle the number that is the greatest common factor of both. Students complete 12 problems.
Curated OER
Greatest Common Factor
In this GCF instructional activity, students fill in missing numbers in factor trees and write the prime factorization to find the greatest common factor. Worksheet includes links to answers and additional worksheets.
Curated OER
Common Factors and Greatest Common Factors
In this GCF activity, students use factors and GCF's to solve a set of word problems. All problems relate to factors and GCF's.
Curated OER
Greatest Common Factor #2
In this GCF worksheet, students fill in missing number in factor trees, then determine whether numbers are prime or composite. Worksheet includes links to answers and additional worksheets.
Curated OER
Finding the Greatest Common Factor Quiz
In this greatest common factors quiz worksheet, 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
Greatest Common Factor
In this greatest common factor practice worksheet, students use problem solving skills to find the greatest common factor for 5 pairs of single and double digit numbers.
Curated OER
GCF Zombie Board Game
In this greatest common factor worksheet, students follow instructions given to play a game finding GCF. A website reference is given for additional resources.
Curated OER
Fractions VI: Simplifying Fractions
This fractions PowerPoint defines and gives examples of factors and greatest common factors, then introduces the steps involved in simplifying a fraction. Plenty of guided practice is provided for each step.
Curated OER
Making the Connections
Use a Horton Chart to identify relationships between numbers and make equivalent fractions and decimals. Scholars change a fraction to find the greatest common factor, find percents, and make equivalent decimals.
National Security Agency
Fraction Fever
This unit on fractions allows for upper-aged elementary learners to explore ways to find the greatest common factor and least common multiple of two numbers. Ultimately, young mathematicians will be able to identify equivalent fractions,...
Curated OER
Common Factors
In this common factors worksheet, students list the common factors for 2 numbers in each problem with numbers up to 10. Students complete 4 problems.
Math Mammoth
Divisors = Factors 1
In this mathematics worksheet, 4th graders fill in the chart with the factors divisible by each number. Then they study the charts and respond to the five word problems that follow. Students also find as many common factors of the given...
Online Math Learning
Word Problems That Use GFC or LCM
This is a webpage that contains five word problems requiring learners to find the least common multiple or least common denominator.
Curated OER
Add Fractions With Like Denominators (G)
In this adding fractions worksheet, learners add fractions with common denominators, write answers as mixed numbers, and reduce to greatest common factor. Students solve 14 problems.
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