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Scholastic
Study Jams! Greatest Common Factor
When one method isn't enough to teach GCF, try two! This interactive webpage introduces factors and the prime factor tree to find the greatest common factor of two numbers. After the lesson, have learners click to try the two examples...
CK-12 Foundation
Greatest Common Factor Using Lists
By creating a list of factors for two numbers, it is easier to see the greatest common factor. Each question in an interactive resource asks pupils to identify the greatest common factor for the numbers 24 and 36 in several...
CK-12 Foundation
Greatest Common Factor Using Factor Trees
Beginning with a description that sets the stage, learners are asked to break down the numbers 42 and 63 to find the greatest common denominator using factor trees. As they work through the factoring process, young mathematicians are...
Curated OER
Greatest Common Factor - OnlineMathLearning.com
Use this greatest common factor worksheet to have your charges find the GCF of 3 numbers in each problem that are two and three-digit numbers. They complete 12 problems.
CK-12 Foundation
Greatest Common Factor Using Lists: Tiling the Kitchen Floor
Use a combination of tiling a rectangle to find area and find the greatest common factor of the lengths of two sides and the area they create. Pupils increase and decrease the sides of the rectangle before answer five questions...
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
For this greatest common factor worksheet, students find the greatest common factor of 2 numbers that are up to 20. Students complete 10 problems.
Curated OER
Greatest Common Factors
In this algebra worksheet, students solve problems using the GCF. They factor out the common variables and simplify the equations. There are 8 questions with an answer key.
Curated OER
Relating GCF and LCM for Grade Six
In this relating GCF and LCM for Grade Six worksheet, 6th graders answer ten multiple choice questions about factors and multiples, with answers available onscreen.
Curated OER
More Factors and Multiples: Greatest Common Factor: Pre Test
For this greatest common factor worksheet, students answer multiple choice questions about problem solving and rules of the greatest common factor in numbers. Students complete 10 questions total.
Curated OER
More Factors and Multiples: Greatest Common Factor
For this greatest common factor worksheet, students answer multiple choice questions about how to find the greatest common factor and actually finding it in problems. Students answer 10 questions total.
Scholastic
Study Jams! Prime & Composite Numbers
Prime or composite, that is the question. Teach your class how to find the answer with this step-by-step presentation that defines and provides examples of each type of number. When addressing larger numbers, divisibility rules are...
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
SAT Grid Practice Test 07
In this practice test learning exercise, students solve percent problems, find the probability of given events, determine the median, and find the unit price. This one page learning exercise contains ten multi-step problems.
Curated OER
My Test Book: Factors and Prime Numbers
In this online interactive math skills worksheet, students solve 10 multiple choice math problems regarding factors and prime numbers. Students may submit their answers to be scored.
Curated OER
Least Common Multiple: Post Test
In this least common multiple worksheet, students answer multiple choice questions about the least common multiple of numbers and rules on how to find it. Students complete 10 questions total.
Curated OER
More Factors and Multiples Pre-Test
In this factorization pre-test worksheet, students solve ten multiple choice questions by finding the least common multiple. This is an interactive worksheet.
Curated OER
My Test Book: Multiples and Factors
In this online interactive math skills instructional activity, students solve 10 multiple choice math problems regarding multiples and factors. Students may view the correct answers.
Calculator Soup
Calculator Soup: Greatest Common Factor Gcf Calculator
Calculate GCF, GCD, and HCF of a set of two or more numbers and see the work using factorization. An interactive calculator, explanations, and examples 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.
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.
Visual Fractions
Visual Fractions: Rename in Lowest Terms
Practice finding the lowest term name for a variety of different fractions using a number line.
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...