Scholastic
Study Jams! Prime Factorization
Deepen the number sense of young mathematicians by exploring the process of prime factorization. Follow along with this step-by-step presentation that explains how factor trees are used to break a composite number down into its prime...
Curated OER
Prime and Composite Numbers
Prime and composite numbers are the focus of this mathematics lesson. In it, learners practice techniques for identifying these two types of numbers. They utilize the Inspiration program to complete a task that is clearly explained, and...
Scholastic
Study Jams! Prime & Composite Numbers
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...
Curated OER
Prime And Composite Numbers - Fuzoku Elementary
Fourth graders investigate the concept of prime and composite numbers. Students study the visual representation for the numbers and use the pictures in order to develop designs for larger numbers. The goal of the instructional activity...
Curated OER
Mastering Math Vocabulary of Prime and Composite Numbers Using Venn Diagrams
Create Venn diagrams. Your class will discover the relationships between even and prime numbers. Next, they will compare that to the relationship between odd and composite numbers.
CK-12 Foundation
Prime and Composite Numbers
Nine true or false, multiple-choice, and discussion questions make up an interactive designed to reinforce scholars' knowledge of prime and composite numbers. A number chart reveals every prime number through 100.
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...
Curated OER
Prime and Composite Number Mini Lab
Elementary schoolers determine the attributes of prime and composite numbers. Pupils, working in pairs, participate in an activity in which they use manipulatives to show the rectangles that can be made from square tiles. They practice...
Curated OER
Composite and Prime Numbers
Young math whizzes determine if a number is prime or composite. They use counters to participate in activities that show prime and composite numbers.
Illustrative Mathematics
Numbers in a Multiplication Table
Identifying patterns is a crucial skill for all mathematicians, young and old. Explore the multiplication table with your class, using patterns and symmetry to teach about square numbers, prime numbers, and the commutative and identity...
Third Rail Games
Factor Samurai
Master composite and prime numbers with this fast-moving game. Using your sword, slice those composite numbers and watch them break up into factors. Slice again if those factors are composite. However, watch out for prime numbers,...
Curated OER
Prime Factorization
Factoring is an important math skill, and it's often quite confusing for youngsters. This presentation does a good job of showing the basic skills and vocabulary needed to begin to understand this important process. Prime numbers,...
Curated OER
Smart Cookie Factors
Learners examine the concept of finding the greatest common factor. They complete number of activities as they practice identifying prime and composite numbers. Pupils apply rules of divisibility and find the greatest common factor while...
Curated OER
Factors of Composite Numbers
Students explore the concept of factoring composite numbers. In this factoring composite numbers lesson, students factor composite numbers. Students learn about composite numbers.
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...
Curated OER
Prime & Composite Numbers: Algebra/Geometry Institute 2009
Students create factor trees. For this prime and composite lesson, students model fractions using tiles. They create factor trees and identify prime and composite numbers. Students use grid paper and tiles to model numbers. A...
K12 Reader
Prime or Composite?
Prime numbers? Composite numbers? Prime factorization? After reading a short article about factors and prime and composite numbers, kids answer a series of comprehension questions based on the text.
Curated OER
Prime and Composite Numbers
Students explore the concept of prime and composite numbers. For this prime and composite numbers lesson, students discover what makes a number prime or composite. Students then practice identifying primes and composites on the provided...
Curated OER
Factors of Composite Numbers
Students find the factors to composite numbers. In this factor lesson, students discuss the definition of a composite number and how to find the factors. They complete a worksheet where they find the factors of multiple composite numbers.
Willow Tree
Factoring
Build an understanding of factors and use it to write the prime factorization of numbers. After exploring key vocabulary, learners create prime factorization for given numbers. They then use the prime factorizations to determine the...
Curated OER
Prime Numbers and Factors
Solving factor trees is a helpful way to introduce prime numbers. Your math class practices using this method along with two-column tables to find if a number is prime or not. They also learn other vocabulary, such as composite numbers,...
Curated OER
Prime and Composite Numbers
Sixth graders investigate the concept of prime and composite numbers. They use a review of multiplication to help explain factoring. Students are taught the definition of a prime and composite number and then practice independently.
Super Teacher Worksheets
Prime and Composite
Factoring is an essential component in algebra, and this worksheet prepares learners with a quick reference guide and examples. After they find all the factors, they decipher whether the number is prime or composite.
Helping with Math
Factors with Prime and Composite Numbers (2 of 2)
Ten two-digit numbers are listed for fourth graders to factor. Once they have factored each, they circle whether the original number is prime or composite. If you click on the "Print Worksheet" button, the printable spreads the problems...