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...
Curated OER
Working With Common Factors and Common Multiples
In this math worksheet, students learn to find common factors and common multiples for sets of numbers. First students circle the common factors they see in the examples given. Then students list the factors and multiples for each number...
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....
Math Solutions
Factor Game
Learning about factors and multiples is all fun and games with this simple math activity. The lesson begins with the teacher and class playing the Factor Game together as students figure out the rules and uncover key vocabulary as they...
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...
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...
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,...
Alabama Learning Exchange
Finding Prime
Fifth and sixth graders explore prime numbers. They work with a partner to build rectangular arrays using twelve tiles. Factor pairs are noted and recorded on graph paper. Pupils construct rectangular arrays with a prime number and...
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...
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 multiplication...
CCSS Math Activities
Smarter Balanced Sample Items: 6th Grade Math – Target C
Are you looking for review questions before standardized testing? Grade 6 Claim 1 Item Slide Show offers nine questions covering a variety of topics using decimals, factors, and multiples. With separate slides for answers, using the...
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 different...
Curated OER
Products, Multiples, Factors
In this products, multiples, and factors worksheet, students complete various activities where they solve problems for products, multiples, and factors of numbers. Students complete 14 problems.
Curated OER
More Factors and Multiples Pre-Test
In this factorization pre-test activity, students solve ten multiple choice questions by finding the least common multiple. This is an interactive activity.
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...
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,...
Illustrative Mathematics
Identifying Multiples
Administer an activity that fosters a child's understanding of multiples. Young mathematicians are guided to complete three tasks on a multiplication chart. Once they color the boxes with multiples of two, three, and four, learners...
EngageNY
Finding One Hundred Percent Given Another Percent
Class members solve problems to find the whole when given a percent. They use double line numbers and factors of hundred to help break the 100 percent into equal segments.
Curated OER
Greatest Common Factor and Least Common Multiple Story Problems
In this story problems worksheet, students determine whether to find either the greatest common factor or the least common multiple in order to solve the problem.
Curated OER
Roots, Multiplicities, and Factoring Polynomials
In this polynomials worksheet, students find zeros, state multiplicities, and factor twenty-two polynomials. Students then find a polynomials that satisfies the stated conditions in eighteen problems, Finally, students factor...
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
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.
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 about...
Helping with Math
Factors With Prime and Composite Numbers (1 of 2)
Math monsters examine nine numbers, factor them, and then determine if they are composite or prime. You can print this learning exercise off of the website, but it does not fit neatly onto one page. Consider projecting it on your class...