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...

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...

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...

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.

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...

Using a calendar, basketballs, and tennis balls, young mathematicians determine the common multiples of four and six. Individuals drag and drop the balls onto the correct dates each sport will be played, allowing them to see which days...

In this greatest common factor worksheet, students find the greatest common factor of 2 numbers that are up to 20. Students complete 10 problems.

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.

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.

In 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.

In this greatest common factor worksheet, learners answer multiple choice questions about how to find the greatest common factor and actually finding it in problems. Students answer 10 questions total.

This is a webpage that contains five word problems requiring learners to find the least common multiple or least common denominator.

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.

In this factorization pre-test worksheet, students solve ten multiple choice questions by finding the least common multiple. This is an interactive worksheet.

In this least common multiple instructional activity, students answer multiple choice questions about the least common multiple of numbers and rules on how to find it. Students complete 10 questions total.

In this online interactive math skills worksheet, learners solve 10 multiple choice math problems regarding multiples and factors. Students may submit their answers to be scored.

In this Octagon Puzzle worksheet, students determine the common property for the given numbers in each of twelve octagon.  The solutions are provided.

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.

In this general mathematics worksheet, students multiply fractions, including whole numbers and mixed numbers.  The one page interactive worksheet contains five problems.  Solutions and answers are provided. 

In this algebra worksheet, students simplify fractions using common denominators. They solve using addition and subtraction. There are 6 questions with an answer key.

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.

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.

This tutorial offers an explanation of least common multiples, practice finding them and a game to play. There is a lot of information available at this location.

Create shapes using colorful blocks, and explore the relationship between perimeter and area. CCSS.Math.Content.3.MD.C.7.a Find the area of a rectangle with whole-number side lengths by tiling it