Curated OER
Least Common Multiple
In this least common multiples worksheet, 8th graders solve 20 different problems that include determining the least common multiple for each set of numbers. They first list the prime factors of each number given in the statement. Then,...
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,...
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
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...
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
Least Common Multiple
In this least common multiple worksheet, students write numbers as a product of primes to determine the least common multiple. Explanations and examples are provided. This two-page worksheet contains ten problems.
Curated OER
Finding the Least Common Multiple
In this finding the least common multiple instructional activity, 6th graders use two methods, a list of multiples or prime factorization, to find least common multiples.
Curated OER
Least Common Multiple Practice 2
For 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 Practice
For 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 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
Leveled Problem Solving: Least Common Multiple
In this least common multiple practice worksheet, students sharpen their problem solving skills as they solve 6 story problems.
Illustrative Mathematics
Adding Multiples
Mathematicians practice communicating why the sum of two multiples of a number results in another multiple of that number. Encourage learners to construct a viable argument by applying the distributive property or by drawing a diagram....
Curated OER
LCM of 3 Numbers: Factor Trees
In this lowest common multiples worksheet, students create factor trees to find the lowest common multiple of 3 numbers. Students complete 4 problems.
Math Learning Center
Grade 5 Supplement Set A2 – Number and Operations: Primes, Composites and Common Factors
Incorporate riddles into your math lesson by having students make tree factors and determine if the number is a prime or composite. They will also use other clues to find the answer to the riddle while sharpening their...
Curated OER
Factoring Polynomials: GCF and Factoring by Grouping
Work your way through factoring polynomials with a worksheet that starts with the GCF and ends with factoring by grouping. Each page provides an example as well as an answer key for each section.
Curated OER
Factoring
In this math worksheet, students complete problems involving factoring. In the first section, they find all factors of a number. Students find the least common multiple and the greatest common factors. This is a worksheet generator. The...
Curated OER
Factors
In this set of factors worksheets, students explore factoring, prime numbers, highest common factor, least common multiple, and exponents and powers. There are seventeen total problems on four separate worksheets. There is an answer sheet.
Curated OER
Planetary Alignments
In this planetary alignments activity, students use 2 different methods to find out when planet alignments will occur. They use a three number series and they use least common multiples to find out when Mercury and Venus will align.
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,...
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...
EngageNY
Relationships Between Quantities and Reasoning with Equations and Their Graphs
Graphing all kinds of situations in one and two variables is the focus of this detailed unit of daily lessons, teaching notes, and assessments. Learners start with piece-wise functions and work their way through setting up and solving...
Curated OER
LCM-Factor Trees
In this LCM learning exercise, students use work space provided to create factor trees and find the LCM of sets of numbers. Answers are included on page 2.
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
Prime Factorization: Finding Factors in the Fifth Grade
The lesson starts out with a brain drain, which is a great way to get students to activate prior knowledge and build lasting connections. They tell everything they know about prime factorization, use their knowledge to...