University of Regina (Canada)
University of Regina: Math Central: Greatest Common Divisor and Least Common Multiple
Learn about the greatest common divisor, the least common multiple, and the Euclidean Algorithm. This resource gives a description of each of these concepts, accompanied by several examples.
McGraw Hill
Glencoe: Self Check Quizzes 2 Least Common Multiple
Use Glencoe's Math Course 2 randomly generated self-checking quiz to test your knowledge of finding the least common multiple. Each question has a "Hint" link to help. Choose the correct answer for each problem. At the bottom of the page...
McGraw Hill
Glencoe: Self Check Quizzes 1 Least Common Multiples
Use Glencoe's randomly generated self-checking quiz to test your knowledge of how to find the least common multiple. Each question has a "Hint" link to help. Choose the correct answer for each problem. At the bottom of the page click the...
AAA Math
Aaa Math: Least Common Multiple
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.
Texas Instruments
Texas Instruments: Gcd and Lcm
In this activity students use the Computer Algebra System CAS tool to compute greatest common divisor (GCD) and least common multiple (LCM) of numbers and expressions.
Texas Instruments
Texas Instruments: Oliver's Method
Students discover a relationship between the Greatest Common Factor (GCF) and the Least Common Multiple (LCM) of two numbers. Students will find and justify the relationship that the product of two numbers is equal to the product of the...
Scholastic
Scholastic: Study Jams! Math: Fractions: Least Common Multiples
Complete a step by step problem to solve for the least common multiple.
Mangahigh
Mangahigh: Number: Least Common Multiple and Greatest Common Factor
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...
Khan Academy
Khan Academy: Gcf & Lcm Word Problems
Solve word problems where you either need to find the GCF or LCM. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Khan Academy
Khan Academy: Least Common Multiple
In this exercise, students practice finding least common multiple. Students receive immediate feedback and have the opportunity to get hints and try questions repeatedly.
Math Is Fun
Math Is Fun: Least Common Multiple Tool
A simple tool that you can use to find the least common multiple (LCM) of two or three numbers.
Discovery Education
Discovery Education: Web Math: Find the Least Common Multiple of Some Numbers
Use this site to find the Least Common Multiple (LCM) of any set of numbers. Simply type in your numbers, and the site will provide the answer complete with a full explanation.
CK-12 Foundation
Ck 12: Arithmetic: Common Multiples
[Free Registration/Login may be required to access all resource tools.] Find the common multiples of given pairs of numbers.
CK-12 Foundation
Ck 12: Arithmetic: Least Common Multiple Grade 6
[Free Registration/Login may be required to access all resource tools.] Find the least common multiple of a given pair of numbers using lists.
CK-12 Foundation
Ck 12: Arithmetic: Least Common Multiple
[Free Registration/Login may be required to access all resource tools.] Find the least common multiple of a given pair of numbers using lists.
CK-12 Foundation
Ck 12: Elem Math: Finding Least Common Multiples Lcm
[Free Registration/Login may be required to access all resource tools.] Students watch a video and attempt practice problems involving least common multiples.
Khan Academy
Khan Academy: Least Common Multiple
Find the lcm (least common multiple) of pairs of integers. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Other
Help With Fractions: Finding the Least Common Multiple
This website gives an excellent explanation of how to find the least common multiple. It offers two different methods and gives easy to follow step by step directions.
Cool Math
Coolmath: Gcf's and Lcm's Common Multiples
These prealgebra-arithmetic lessons explain greatest common factors (GCF's) and least common multiples (LCM's) and show how to find them.
Cool Math
Coolmath: Gcf's and Lcm's Least Common Multiple
These prealgebra-arithmetic lessons explains greatest common factors (GCF's) and least common multiples (LCM's) and shows how to find them.
Math Planet
Math Planet: Finding the Least Common Multiple
Gain an understanding of the least common multiple by viewing an example and a video lesson.
Mathigon
Mathigon: Math Foundations: Divisibility and Prime: Least Common Multiples
This lesson features practical applications for finding the least common multiples.
Illustrative Mathematics
Illustrative Mathematics: 6.ns the Florist Shop
This task asks students to apply the concepts of multiples and common multiples in the real-world context of orders of roses at a flower shop. Aligns with 6.NS.B.4.
Illustrative Mathematics
Illustrative Mathematics: 6.ns Multiples and Common Multiples
This task asks students to apply the concepts of multiples and common multiples in an abstract context. Aligns with 6.NS.B.4.