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Organizer
PB Works

Prime and Composite Numbers

For Students 4th - 6th Standards
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...
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Lesson Plan
Curated OER

Prime and Composite Number Mini Lab

For Teachers 3rd - 5th
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...
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App
Third Rail Games

Factor Samurai

For Students 3rd - 5th Standards
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,...
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Lesson Plan
Curated OER

Prime And Composite Numbers - Fuzoku Elementary

For Teachers 4th
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...
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Interactive
Curated OER

Prime Factorizations - Post Test

For Students 4th - 5th
In this prime factorizations worksheet, students complete a set of 10 multiple choice questions. Students may print out the test or click on a link to see answers.
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Lesson Plan
Curated OER

Mastering Math Vocabulary of Prime and Composite Numbers Using Venn Diagrams

For Teachers 6th
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.
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Worksheet
1
1
Mathed Up!

Factors, Multiples, and Primes

For Students 4th - 7th Standards
Reinforce the concept of factors, multiples, and prime numbers with a 16-problem practice worksheet. Eight pages offer a variety of problem solving opportunities with clear objectives and tips for successful completion. 
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Worksheet
Curated OER

Prime Numbers

For Students 3rd - 5th
In this identifying prime numbers from one to fifty worksheet, students review prime numbers and color the prime numbers on the chart. Students color 15 answers. 
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Lesson Plan
Curated OER

Find the Factors and Prime Factors

For Teachers 4th - 6th
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,...
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Worksheet
Curated OER

Identify Prime and Composite Numbers

For Students 4th - 5th
Fourth and fifth graders identify numbers as prime or composite, list composite numbers that could be mistaken for prime and answer a "prediction" question.
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Worksheet
Helping with Math

Factors With Prime and Composite Numbers (1 of 2)

For Students 4th - 6th Standards
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...
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Worksheet
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K12 Reader

Prime or Composite?

For Students 4th - 5th Standards
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.
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Interactive
Curated OER

TAKS Math Quiz-Prime Numbers

For Students 4th - 5th
In this TAKS math quiz worksheet, students take an online quiz focused on prime numbers. Quiz can be graded online by clicking a link.
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Interactive
Curated OER

My Test Book: Factors and Prime Numbers

For Students 5th - 7th
In this online interactive math skills worksheet, students solve 10 multiple choice math problems regarding factors and prime numbers. Students may submit their answers to be scored.
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Organizer
Super Teacher Worksheets

Prime and Composite

For Students 4th - 6th Standards
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.
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Lesson Plan
Curated OER

Factor Trees

For Teachers 4th - 7th
For this factor trees worksheet, students make factor trees for 2 through 4 digit numbers. Students complete 20 factor trees for these numbers.
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Lesson Plan
Curated OER

Prime Time

For Teachers 5th
Fifth graders complete activities related to prime and composite numbers. In this prime instructional activity, 5th graders make a hundreds chart with all the prime numbers. They create their own card game which deals with prime and...
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Worksheet
Curated OER

Primes in Product

For Students 9th - 12th
In this secondary mathematics learning exercise, learners must determine the two prime numbers and one composite number that would be factors of the given product.  The one page learning exercise contains one problem with the solution. 
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Lesson Plan
Curated OER

Smart Cookie Factors

For Teachers 4th - 5th
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...
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Interactive
Curated OER

Review of Pre-Algebra

For Students 7th - 9th
Middle and high schoolers review topics covered Pre-Algebra. They solve problems questions dealing with exponents, square roots and absolute value. They use the rules of divisibility and identify prime numbers. This two-page on-line...
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Lesson Plan
Curated OER

Worksheet: Prime or Composite

For Teachers 3rd - 4th
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.
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Interactive
Curated OER

Prime Factorization

For Students 6th - 8th
In this prime factorization worksheet, learners solve 7 multiple choice problems. Students find the prime factorization of 91, 84, 78, 70, 67,63, and 36.
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Lesson Plan
Curated OER

Prime Numbers and Factors

For Teachers 4th - 6th
Students determine factors of numbers to 100 and identify prime factors; students differentiate prime and composite numbers by the factors of the numbers.
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Worksheet
Curated OER

Quick Quiz: Prime or Composite?

For Students 4th - 5th
In this prime/composite quiz activity, learners identify 12 numbers as either prime or composite. Answers are included on page 2.

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