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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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Lesson Plan
Curated OER

Prime and Composite Numbers - Kenwood Academy

For Teachers 4th - 7th
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...
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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

Prime and Composite Numbers

For Teachers 6th - 7th
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...
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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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Lesson Plan
Curated OER

Babylonian Mathematics I

For Teachers 8th - 10th
Learners examine a Babylonian clay tablet and the mathematics found on it as a catalyst to investigate a variety of mathematical ideas. They work with prime numbers, classify numbers as whole, integer, rational, or irrational and use...
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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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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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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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Worksheet
Curated OER

Find the Prime Factors

For Students 4th - 7th
Find prime factors can be grasped through visualization, which is exaclty what these digrams will help your learners do. For each, they examine a double-digit number and several paths connecting from it. They fill in the factors, prime...
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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

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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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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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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Printables
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Houghton Mifflin Harcourt

Unit 4 Math Vocabulary Cards (Grade 5)

For Students 5th Standards
Common denominators, factors, and rounding are a few of the terms in a set of flash cards designed to reinforce math vocabulary. Forty-two cards offer a bold-faced vocabulary word or a corresponding definition alongside an example with...
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Lesson Plan
Curated OER

Numbers 1.1

For Teachers 11th - 12th
In this numbers 1.1 worksheet, learners solve 64 problems about all kinds of numbers:  rational, irrational, prime, composite, square roots, fractions, decimals.
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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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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

Sieve of Eratosthenes

For Teachers 5th - 8th
Young scholars discover the Sieve of Erathosthenes. They explore a method to find all the prime numbers in a group of numbers. Using models, students practice divisibility rules while examining the difference between prime and composite...
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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

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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Lesson Plan
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EngageNY

The Power of Algebra—Finding Primes

For Students 10th - 12th Standards
Banks are responsible for keeping our financial information safe. Mathematics is what allows them to do just that! Pupils learn the math behind the cryptography that banks rely on. Using polynomial identities, learners reproduce the...
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Lesson Plan
Curated OER

ISTEP + Grade 6 Item Sampler

For Teachers 5th - 6th
In this cross-curricular sampler of worksheets, students determine the meaning of specialized vocabulary and to understand the precise meaning of grade-level-appropriate words, describe and connect the essential ideas, arguments, and...