Curated OER
Greatest Common Factor
In this GCF worksheet, students fill in missing numbers in factor trees and write the prime factorization to find the greatest common factor. Worksheet includes links to answers and additional worksheets.
Curated OER
Greatest Common Factor #2
In this GCF worksheet, students fill in missing number in factor trees, then determine whether numbers are prime or composite. Worksheet includes links to answers and additional worksheets.
Curated OER
Super Factors
Students complete activity pages. In this factors instructional activity, students practice finding the factors of numbers. They discuss prime factors and prime factorization and learn how to complete a factor tree.
Curated OER
Prime Factorization
Young scholars work with prime numbers. In this prime factorization lesson, students review writing numbers in their prime factorization form and solve multiple problems.
Curated OER
Prime Factorization
In this math worksheet, students find the solutions to the whole numbers through finding the prime factorization. This could be done using number trees.
Curated OER
Least Common Multiple Practice 2
In this least common multiples practice worksheet, students examine sample problems and solve 20 problems that require them to find least common multiples.
Curated OER
Least Common Multiple Practice
In this least common multiples practice worksheet, students examine sample problems and solve 20 problems that require them to find least common multiples.
Curated OER
Least Common Multiple Practice 3
In this least common multiples practice worksheet, students examine sample problems and solve 20 problems that require them to find least common multiples.
Curated OER
Finding LCM
In this LCM learning exercise, students read several paragraphs on finding LCM in various situations, then solve 25 problems.
Curated OER
Finding LCM
In this finding LCM worksheet, students read a substantial amount of information about finding LCM for numbers, then complete 20 problems using the information given.
![Wired Math: Primes and Prime Factors [Pdf] Unknown Type](https://d15y2dacu3jp90.cloudfront.net/images/attachment_defaults/resource/large/FPO-knovation.png "Wired Math: Primes and Prime Factors [Pdf] Unknown Type")
University of Waterloo (Canada)
Wired Math: Primes and Prime Factors [Pdf]
Explore primes, prime factors, and composites using this collection of worksheets. Lots of detailed examples, interesting math facts, and colorful visuals. Acrobat Reader required.
Cool Math
Coolmath: Pre Algebra: Prime Factorizations
In this tutorial, students learn how to do prime factorization by a few different methods, including factor trees and factor stacks. The exercises work their way up from 2-digit numbers up to 5 digits. Includes practice problems.
Shodor Education Foundation
Shodor Interactivate: Factorize
This Shodor site gives a brief explanation of factorization, and it allows you "to find all of the factorizations of a given number and then draw the product as the area of a rectangle on a grid."
Elias Saab
Math Drills: Prime Factorization Quiz
This site is an interactive quiz which provides students with a prime factorization problem. Students input their solution and have the program evaluate it. Hints are available if the student needs them, and explanations are provided...
Homeschool Math
Homeschool Math: Prime Factorization
This site contains a free lesson on Prime Factorization in which students learn by doing practice problems.
Cuemath
Cuemath: Prime Factorization
In this lesson, you will be learning prime factorization to solve various mathematical problems followed by solved examples and practice questions.
Quia
Ixl Learning: Prime Factorization
Brush up on your math skills relating to prime factorization then try some practice problems to test your understanding.
Homeschool Math
Homeschool Math: Prime Factorization of Three Digit Numbers
This lesson shows examples of how to get started with the prime factorization of three-digit or larger numbers, using a factor tree. includes numerous practice exercises.
Scholastic
Scholastic: Study Jams! Math: Multiplication & Division: Prime Factorization
This site provides great practice on the concept of prime factorization. Students can first learn about the topic by watching a step by step instruction video that also points out areas of concern. Finally, students can practice their...
ClassFlow
Class Flow: Working With Prime and Composite Numbers
[Free Registration/Login Required] This flipchart allows students to practice working with prime and composite numbers. Students learn how to do prime factorization.