Mathed Up!
HCF, LCM, and Product of Primes
Give the class a prime example of using prime numbers. After reviewing prime factorization of numbers with the video, pupils use their knowledge to determine greatest common factors and least common multiples in the worksheet. The...
Curated OER
Least Common Multiple or Least Common Denominator
Fifth and sixth graders solve 12 math problems by finding the least common multiple or least common denominator. They type the answer into the text box.
Curated OER
Least Common Multiple
Give students detailed instructions on how to find the Least Common Multiple as well as practice with this thorough introductory learning exercise. Instructions for this learning exercise include an explanation of both guess and check as...
EngageNY
Least Common Multiple and Greatest Common Factor
Find the common denominator between prime factors, factor trees, and the distributive property. Scholars learn to find the least common multiple and greatest common factor of pairs of numbers. They rotate through stations to connect...
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.
Illustrative Mathematics
Multiples and Common Multiples
Learners are asked to find multiples and common multiples of two numbers. They must take their findings and find a pattern between the numbers and explain their reasoning. Use this resource with The Florist Shop activity in this series...
Curated OER
LCM: Factor Trees, Numbers Up to 10
Fourth and fifth graders complete factor trees to find the lowest common multiple out of the two numbers given up to the number 10. Students complete four problems.
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Practice Quiz: Least Common Multiple
Use this least common multiple worksheet to have your learners complete two mutliple choice questions containing one and two-digit numbers. Answers are provided online.
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Greatest Common Factor and Least Common Multiple Story Problems
In this story problems worksheet, young scholars determine whether to find either the greatest common factor or the least common multiple in order to solve the problem.
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Least Common Multiple
Given ten pairs of numbers, mathematicians find the least common multiple for each. The numbers span from 2-30, and are generally introductory for this skill (no curve balls). Encourage learners to write out multiples alongside the...
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Number Sense and Numeration: Multiples, Factors and Square Roots
A great resource for any math teacher covering multiples, factors or square roots; this worksheet walks young mathematicians through the logic behind factoring and square roots with a systematic set of problems which gradually increase...
Curated OER
Least Common Multiples
In this math worksheet, students find the least common multiple of sets of numbers. Students factor each number to their prime factorization. They use the primes to find the least common multiples. This is a worksheet generator, the...
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Least Common Multiple
In this least common multiple worksheet, students find the least common multiple of given numbers. Problems contain variables and exponents. This two-page worksheet contains 26 problems. Answers are provided on the last page.
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Factors and Multiples
Middle schoolers use the factor box process for identifying the greatest common factor and the least common multiple for 10 pairs of numbers. This single-page worksheet is simple, and makes a useful assignment for practicing factoring...
Illustrative Mathematics
The Florist Shop
A real-world approach to common multiples asks learners to find different groups of flowers based on their multiples. Useable as a class activity or independent exercise, they will have to organize their thoughts to explain the totals of...
Illustrative Mathematics
Multiples of 3, 6, and 7
What are the common multiples of three, six, and seven? Assess young mathematicians ability to find the common multiples of three numbers in a straightforward math task.
Curated OER
Lowest Common Multiple
In this lowest common multiple worksheet, students find the LCM of 2 digit numbers that don't exceed the number 20. Students complete 10 problems.
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Multiples and Lowest Common Multiple
For this multiples worksheet, students list all the multiples of the 2 numbers asked and the lowest common multiple. Students complete 6 problems.
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Least Common Multiples
For this least common multiple worksheet, students practice their math skills as they solve 40 problems that require them to find the least common multiple for each of the 40 pairs of numbers.
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My Test Book: Least Common Multiples
For this math skills worksheet, students solve 10 multiple choice math problems regarding least common multiples. Students may view the correct answers.
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Mission: Finding the LCM using Prime Factorization
In this prime factorization worksheet, students find the least common multiple of the given pair of numbers using factor trees. Students solve 10 problems.
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LCM: Variables and Exponents
In this algebra activity, students determine the least common multiple of variables with exponents. There are 10 questions and a provided workspace.
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Least Common Multiple Practice 3
In this least common multiples practice worksheet, students examine sample problems and solve 20 problems that require them to find least common multiples.
Curated OER
Least Common Multiple
In this least common multiple worksheet, students review the steps for finding the least common multiple using lists of multiples and prime factorization. Students then list multiples to find the LCM for the given numbers. Students then...