Worksheet
Curated OER

Find Prime Numbers

For Students 4th - 7th
In this finding prime numbers practice worksheet, students sharpen their problem solving skills as they solve 6 story problems.
Handout
National Council of Teachers of Mathematics

The Math Forum: Prime Numbers

For Students 9th - 10th Standards
Explains what Prime Numbers are and how to find them. Includes a list of primes under 200 and discusses the Sieve of Eratosthenes. This site has numerous links to other internet sources regarding prime numbers.
Handout
Other

Help With Fractions: Prime Numbers Chart

For Students 9th - 10th Standards
Prime and composite numbers are defined on this website. A prime number chart is also included for all prime numbers under 10,000.
Interactive
Quia

Quia: Divisibility and Prime

For Students 3rd - 8th Standards
If you enjoy playing the game Battle Ship you will enjoy this game. When you locate an enemy ship to get the hit you must correctly answer a question using your knowledge of divisibility rules and prime numbers. It is a fun way to...
Activity
University of Cambridge

University of Cambridge: Nrich: A Conversation Piece

For Students 3rd - 8th Standards
On this one page website sharpen your logic, division and prime number recognition skills while working on this challenge. The solution is available to double check your solution.
Handout
National Council of Teachers of Mathematics

The Math Forum: How Do You Find Prime Numbers?

For Students 9th - 10th Standards
This site explains prime number theory and how to find prime numbers.