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
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...
PB Works
Prime and Composite Numbers
Start with the basics and introduce the first 24 numbers in the world of prime and composites. This graphic organizer has students list the factors and then categorize the numbers appropriately. A great way to organize information and...
Curated OER
Prime and Composite Numbers - Kenwood Academy
Learners investigate prime and composite numbers. They use a number chart and cross out multiples of 2,3,5 etc. up to 100. Pupils fold pieces of masking tape around pennies and label them with composite numbers, then fold masking tape...
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 lesson is for them to...
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.
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...
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.
Curated OER
Identify Prime and Composite Numbers
Fourth and fifth graders identify numbers as prime or composite, list composite numbers that could be mistaken for prime and answer a "prediction" question.
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...
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 worksheet off of the website, but it does not fit neatly onto one page. Consider projecting it on your class screen...
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
Probability of Numbers
In this applying the probability of numbers from one to fifty instructional activity, students find divisors, prime numbers, composite numbers, and designated place value numbers. Students solve five problems.
Curated OER
Prime Composite Worksheet
Children determine if the 45 numbers listed are prime numbers or composite numbers. They check off their answers. A very good resource!
Super Teacher Worksheets
Prime and Composite
Factoring is an essential component in algebra, and this learning exercise prepares learners with a quick reference guide and examples. After they find all the factors, they decipher whether the number is prime or composite.
Curated OER
Worksheet: Prime or Composite
Learners read the definitions for prime and composite numbers. Young scholars then identify the numbers as prime and composite numbers for the 20 problems. They complete a prime search and answer four problems about numbers.
Curated OER
Challenge: Prime Numbers
In this exploring prime numbers worksheets, learners use the definition of prime numbers to solve 4 problems, then list prime and composite numbers from 2-18.
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.
Curated OER
Prime & Composite Numbers: Algebra/Geometry Institute 2009
Students create factor trees. In this prime and composite activity, 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...
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...
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
Quick Quiz: Prime or Composite?
In this prime/composite quiz activity, learners identify 12 numbers as either prime or composite. Answers are included on page 2.
Curated OER
Learning About Prime and Composite Numbers
Students explore the concept of prime and composite numbers. In this prime and composite numbers lesson, students determine if a 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...
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