Check out

these links.

Wired Math
Free math games and resources for grades 7,8,9 for students, teachers and parents.

Ambleside Primary Contains
A bunch of tools to help you with your math.

Aplusmath
A collection of online math games.

ArithmAttack
Answer as many arithmetic questions as you can in 60 seconds.
You choose the operations and the size of numbers.

BBC Education-Maths File-Games Wheel
A great collection of games by BBC Education.

BrainPOP - Math
A wonderful collection of short math movies. Each is 2 or 3 minutes in length.

Coolmath4kids
An amusement park of math and more.

Count On
A collection of online math games like "Who wants to be a Mathonaire?"

Dositey
A collection of math games (great for division practice).

Emmy Noether Circles
Grades 5 and 6 contest-style problems without the stress of a contest.

Figure This! Math Challenges for Families
Challenges from the National Council of Teachers of Mathematics (NCTM).

FreeRice
Practice mental arithmetic skills (at ten different levels) while donating rice through the UN World Food Programme to help end hunger.

FunBrain.com
A collection of online math games by the Family Education Network.

Fun Math Video
See this Mathemagician do some lightning fast calculations at Ted.com.

Getting Students Started
This large collection of games and activities for grades K-8 in all subject areas was sorted and assembled by the Avon Maitland District School Board.

Houghton Mifflin Mathematics
A great place to go for brainteasers and test writing strategies.

Illuminations
A group of activities to help visualize many concepts in mathematics.

Interactive Mathematics
A library of mathematics manipulatives for Kindergarden to grade 12.

Learn Alberta
A collection interactive lessons by the Alberta Ministry of Education.
Login as a guest.

Math Advantage
A collection of K-8 online math games, by Harcourt School Publishers.

MathCats
Test your knowledge of math terminology.

Math Is Fun
A great source of lessons, games, and information for both teachers and students.

Math League
Contains sample contest problems and solutions.

Math Magician Games
A great game that exercises your arithmetic skills.

Math Playground
A collection of math related games, word problems, and logic problems.

Mr. Nussbaum
A collection of grades 1-8 mathematics games.

Multiflyer
A fun game of multiplying and space traveling.

PBS Kids: Cyberchase
An excellent collection of games by PBS Kids.

PrimaryGames.com - Math
A collection of online math games for Grades 1, 2, and 3.

Problems '4' the Web
A collection of problems, sorted by strand, for teachers and students of grade 4 - 6.

Prongo.com Games
A collection of educational games suitable for ages 3-12.

RAINFOREST Math
A collection of math games and practice tools.

SoftSchools
A collection of worksheets, activities and short quizzes sorted by strand.

SpaceTime Arcade
Fun math games involving addition, subtraction, multiplication, and division.

StarrMatica
A small collection of educational games.

TechBriefcase
A collection of resources, games and activities sorted by mathematical subject.

ToonUniversity Games
A collection of mathematics games suitable for grades 1-6.

Woodlands Maths Zone
An assortment of games and resources sorted by mathematical topic.