Worksheet
Curated OER

Challenge: Prime Numbers

For Students 4th - 5th
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.
Worksheet
Curated OER

Prime Composite Worksheet

For Students 3rd - 4th
Children determine if the 45 numbers listed are prime numbers or composite numbers. They check off their answers. A very good resource!
Worksheet
Curated OER

Probability of Numbers

For Students 5th - 6th
In this applying the probability of numbers from one to fifty worksheet, students find divisors, prime numbers, composite numbers, and designated place value numbers. Students solve five problems.
Interactive
Scholastic

Study Jams! Prime Factorization

For Students 4th - 6th Standards
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...
Worksheet
Curated OER

Prime Numbers

For Students 4th - 6th
In this prime numbers worksheet, students read facts and complete comprehension activities. In this graph construction and drawing worksheet, students complete two activities.
Assessment
Mathed Up!

HCF, LCM, and Product of Primes

For Students 6th - 8th Standards
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...
Interactive
Scholastic

Study Jams! Prime & Composite Numbers

For Students 3rd - 6th Standards
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...
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...
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,...
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.
Worksheet
Curated OER

Prime Numbers

For Students 3rd - 5th
For this identifying prime numbers from one to fifty worksheet, learners review prime numbers and color the prime numbers on the chart. Students color 15 answers. 
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 activity off of the website, but it does not fit neatly onto one page. Consider projecting it on your class screen for...
Worksheet
1
1
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.
Organizer
Super Teacher Worksheets

Prime and Composite

For Students 4th - 6th Standards
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.
Worksheet
Curated OER

Primes in Product

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

Quick Quiz: Prime or Composite?

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

Optical Illusion

For Students 3rd - 6th
Number theory gets a workout in an activity that asks individuals to identify and color code the prime numbers and the composite numbers in the provided graphic.
Interactive
CK-12 Foundation

Prime and Composite Numbers

For Students 4th - 8th Standards
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. 
Worksheet
Curated OER

Factoring Numbers

For Students 4th - 6th
In this factoring worksheet, students read about composite and prime numbers. They then read through 2 example problems regarding factors. Finally, students solve the 6 problems at the bottom of the page.
Worksheet
Curated OER

Primes and Prime Factors

For Students 8th
In this primes and prime factors worksheet, 8th graders solve 21 different problems to include identifying each number as prime, composite, or neither prime nor composite and listing all the primes less than 200. Then they complete each...
Worksheet
k12 Math Worksheets

Prime Factorization

For Students 6th - 8th
Your learners will get plenty of prime factoring practice with this one-page math worksheet. 
Worksheet
Curated OER

Finding Factors

For Students 6th - 8th
In this finding factors worksheet, students practice finding all the factors of 24 in twenty word equations and then find the prime factorization in ten equations.
Lesson Plan
Willow Tree

Factoring

For Students 7th - 10th Standards
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...
Worksheet
Curated OER

Prime or Composite numbers

For Students 6th - 10th
In this prime and composite numbers instructional activity, students mark each 2 or 3 digit number as either prime or composite. Students complete 60 problems.

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