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Worksheet
Curated OER

Data Management and Probability: Applications

For Students 8th
In this data management and probability applications worksheet, 8th graders solve 20 various types of probability problems. They find the mean, median, mode and range of various numbers. Then, students use the spinner illustration to...
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Activity
Math Learning Center

Grade 5 Supplement Set A2 – Number and Operations: Primes, Composites and Common Factors

For Teachers 5th Standards
Incorporate riddles into your math lesson by having students make tree factors and determine if the number is a prime or composite. They will also use other clues to find the answer to the riddle while sharpening their multiplication...
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Interactive
CK-12 Foundation

Prime Factorization: Chocolate Chip Factoring

For Students 6th Standards
An interactive resource challenges mathematicians to show what they know about prime factorization. Five multiple-choice, true or false, and discussion questions use chocolate chip cookies to set a real-world application of the concept. 
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Lesson Plan
Institute of Electrical and Electronics Engineers

Public Keys, One Way Functions and Hard Problems

For Students 6th - 9th Standards
Use paint to teach about cryptography. Scholars explore public key cryptography by attempting to mix a secret color using paint. After the activity, they investigate the Diffie-Hellman method using prime numbers, exponents, and modular...
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Worksheet
Curated OER

Prime Numbers

For Students 4th - 5th
Prime numbers are the focus of this math worksheet. Students follow directions to identify prime numbers on a hundreds chart. Students follow clear directions in order to find a total of 25 prime numbers on the chart.
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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.
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Lesson Plan
Curated OER

Prime & Composite Numbers: Algebra/Geometry Institute 2009

For Teachers 7th - 8th
Students create factor trees.  In 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...
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Lesson Plan
Curated OER

Prime Factorization

For Teachers 5th - 6th
In these prime factorization worksheets, students make a factor tree of the given numbers and then write the answers using exponential notation. Students then use multiplication to check their factoring work. Students evaluate the...
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Lesson Plan
Curated OER

Prime and Composite Numbers

For Teachers 6th
Sixth graders identify prime and composite numbers and complete an activity problem. Given a 100 chart, they follow directions to create a prime number chart. In groups, 6th graders play a "Prime Take Away" activity to reinforce prime...
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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 lesson, 5th graders make a hundreds chart with all the prime numbers. They create their own card game which deals with prime and composite numbers. 
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Interactive
Curated OER

Prime Factorization

For Students 6th - 8th
In this prime factorization activity, middle schoolers solve 7 multiple choice problems. Students find the prime factorization of 91, 84, 78, 70, 67,63, and 36.
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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. 
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Worksheet
Curated OER

Prime Factorize

For Students 5th - 7th
In this factorization worksheet, students prime factorize six numbers by using the factor tree method. The numbers given go up to the number 24.
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Worksheet
Curated OER

Number facts

For Students 9th - 11th
For this number facts worksheet, students determine the number associated with each of the twenty-five facts provided.  Students then need to determine how the answers are related to each other.  Answers are provided at the end of the...
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Worksheet
Curated OER

Number Sense and Operations

For Students 8th - 9th
In this number sense and operations worksheet, students solve 15 different problems that include number lines and identifying various types of numbers. First, they solve a given equation and then check their work. Then, students find the...
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Lesson Plan
Curated OER

Factors, Prime Factorization, Multiples

For Teachers 7th
Seventh graders examine Prime Factorizations, Multiples, and Factors. In this prime number, factorization, and multiples activity, 7th graders identify greatest common factors and least common multiples. Students use problem solving...
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Worksheet
Curated OER

Finding Primes-The Sieve of Eratosthenes

For Students 7th - 9th
For this middle school/Algebra I worksheet, students use the sieve of Eratosthenes to determine the prime number less than two hundred.  The one page worksheet contains one problem.  Answer is not provided. 
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Lesson Plan
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Illustrative Mathematics

Numbers in a Multiplication Table

For Teachers 3rd - 5th Standards
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...
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Interactive
Scholastic

Study Jams! Greatest Common Factor

For Students 5th - 8th Standards
When one method isn't enough to teach GCF, try two! This interactive webpage introduces factors and the prime factor tree to find the greatest common factor of two numbers. After the lesson, have learners click to try the two examples...
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Lesson Plan
Curated OER

Prime and Composite Numbers

For Teachers 6th
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.
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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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Worksheet
Curated OER

Prime Factorization - Practice 7-2

For Students 3rd - 5th
Finding the prime factors of two numbers is the focus of this math worksheet. Students write the factors to complete 2 factor trees, write the prime factorization for 9 numbers and answer 2 word problems.
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Worksheet
Curated OER

Finding Factors

For Students 6th - 8th
In this finding factors worksheet, learners practice finding all the factors of 24 in twenty word equations and then find the prime factorization in ten equations.
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Worksheet
Curated OER

Using Factor Trees

For Students 5th - 6th
In this math learning exercise, students read about how to create a factor tree. Students use factor trees to determine the prime factors of 16 numbers.

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