- a FREE math newsletter for parents and teachers
This is where you'll find the latest happenings, news, & ideas in math teaching
My videos at YouTube show you how to teach concepts.
Various worksheets on TONS of math topics you can generate for free!
Basic operations worksheet generator is updated! Make worksheets for whole numbers or integers - all four operations, including add & subtract or multiply & divide - horizontal or vertical - add a border and/or extra workspace, use a variable, and more.
Advice, reviews, and resources to help you choose a math curriculum!
Games you can play online, interactive tutorials, fun math websites and more. Arranged by topic/level for ease of use.
Learn how to TEACH concepts or about general concerns in math education.
In-depth reviews of math products
A list of free message boards, math help websites, and online tutoring services.
I have two games on my site, plus links to many.
You are here: Home → Online resources → Factoring Factoring and number theory games and resources online
Drag rectangles to show the factorizations of a given
number. Arrays and factors wwwshodor.org/interactivate/activities/factors2/index.html.
A fun, interactive game where you practice divisibility among numbers 1-100. You can play against the computer or against a friend.
Eat factors of the given number, and avoid numbers that are not factors of the given number in this Pacman-style game. Use Arrow Keys to move.
Sliding Tile Factorization Game
Slide a number over another to capture it, if it is a factor of the other. Number 1 is only supposed to be used to capture a prime number.
Move counters up the legs of an octopus but only when the number on the circle is a multiple of the number on the card.
Factors Millionaire Game
A millionaire game where the questions have to do with factors, prime numbers, and the greatest common factor.
Not a Factor
Choose a number that is NOT a factor of the given number.
Factors and Remainders
An interactive animation demonstrating factors and remainders. Choose a number and its possibe divisor. The animation shows boxes (as given by the number) arranged into rows of (possible divisor), and you can SEE if there is any remainder.
For each number you factorize, you'll get to grow a tree in your forest! You can choose between 6 different trees, also.
Factor Trees at Math Playground
Factor numbers to their prime factors using an interactive factor tree, or find the GCF and LCM of numbers.
MathGoodies Interactive Factor Tree Game
Type in a missing number to the factor tree, and the program will find the other factor, and continue drawing the tree as needed.
Eat factors, multiples, and prime numbers in this remake of the classic game. Snake
For two players; each selects a factor, computer colors the product - who gets four in row wins. Product
Primes, Factors and Divisibility—Explorer at CountOn.org
Lessons explaining divisibility tests, primes, and factors. www.counton.org/explorer/primes
A fun board game that helps children practice factors, factoring, and multiplication at the same time. Price $34. teruen.com
Unique Prime Factorization
A video explaining the fundamental theorem of arithmetic: that each composite number has a unique prime factorization.
Prime Number Calculator
This calculator tests if a number is a prime, and tells you its smallest divisor if it is not prime.
Times Tales is now
The fast, FUN, and easy way to learn multiplication. Learn the upper times tales in two sittings using mnemonic stories.