Math games, lessons, and tutorials websites

For all grades

Illuminations Math Tools
Interactive demonstrations and activities of various math topics for K-12.
illuminations.nctm.org/

National Library of Virtual Manipulatives for Interactive Mathematics
Lots of interactive activities for K-12, on numbers & operations, geometry, algebra, measurement, data analysis and probability.
matti.usu.edu/nlvm/nav/vlibrary.html

BrainPop Math Topics
Dozens of animated movies on various math topics that will keep your attention focused! Each topic/concept also has a quiz, activity page, an experiment, a timeline, and a short comic-strip. Can watch two movies free daily, or buy a yearly subscription for unlimited access.
www.brainpop.com/

Math Goodies
Math Goodies is a free math help site that launched in 1998. Math Goodies was a pioneer of interactive math instruction and free math homework help. Today this award-winning site has over 400 pages of activities for students, educators and parents.
www.mathgoodies.com/

Quia math Activities
A search form for the huge list of online math activities found at Quia.
www.quia.com/shared/math/

Online Interactive Mathematics from Teaching Treasures
Lots of interactive worksheets full of questions where you type in answers in individual check boxes for all grades.
www.teachingtreasures.com.au/maths/Maths_more.html

Wolfram Demonstrations Project
Thousands of free interactive Mathematica demonstrations/visualizations in for math, science, music and art for all levels, including advanced mathematics. These require that you first download and install the free Mathematica Player; then you download the individual demonstrations.
demonstrations.wolfram.com/

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Mostly elementary

Dositey.com
Educational games, interactive mini lessons, worksheets covering math topics of all elementary grades.
www.dositey.com/

Funbrain
has lots of nice games with many different topics.
www.funbrain.com/kidscenter.html

Count Us In
15 games designed to help children understand basic number concepts (kindergarten level). You can also download the games to play on your PC/Mac.
www.abc.net.au/countusin/default.htm

Primarygames: Math
Lots of interactive exercises and games for topics K-4
www.primarygames.com/curriculum/math.htm

Math Doodles
Seven fun well-done games that also make kids think and learn. A place where children can discover the joy, wonder, and fun of mathematics. Requires Shockwave player.
www.carstensstudios.com/mathdoodles/mathdoodles.htm

AAA Math
Hundreds of lessons on basic math skills with interactive practice and challenge games on every page.
www.aaamath.com" target=

Math Playground
A large collection of interactive word problems, math games and puzzles for elementary school students.
www.MathPlayground.com/

Online Kids Games from Apples4Teacher.com
Online kids games from Apples4Teacher.com
Includes geometry, measurement, money, time, operations, number sense games.
www.apples4theteacher.com/math.html

Visual Math Learning
Free tutorials with some interactivity about basic operations and all fraction operations. Emphasizes visual models and lets student interact with those.
www.visualmathlearning.com/

Magnet
Internet maths magazines (or on-line mathzines) with interactive games and puzzles - Meenie Minus is for elementary, Kaleidoscope for middle school.
www.mathsyear2000.org/magnet/

Primary Games
A collection of math related games that you can also download and play offline at home.  Check out the Banana hunt for learning angles or Billy Bug returns for learning coordinates! 
www.primarygames.co.uk/

Math Advantage from Harcourt
Click on a grade and you'll get a list of interactive games and concentration puzzles on different topics.
www.harcourtschool.com/menus/math_advantage.html

iKnowThat.com math games
Quizzes, arithmetic & geometry workshops, games on money, geometry, fractions, and more.
www.iknowthat.com/com/L3?Area=L2_Math

ICT Games
Find games for addition, subtraction, time, shape and measures, more/less, odd/even, doubles, place value, and more.
www.ictgames.com/resources.html

Maths Zone
Click on KS1/KS2 in the top menu, and then on the left side colored menus for a list of games on just about every elementary math topic.
www.mathszone.co.uk/

Mostly middle school

Countdown Math
QuickTime movie tutorials on a horde of mathematical topics.
countdown.luc.edu/

BBS Education - Gameswheel
Games for rounding, arranging decimals , geometry, statistics.  Excellent graphics and presentation.
www.bbc.co.uk/education/mathsfile/gameswheel.html

Numbers and Operations
Lots of online interactive manipulatives for subjects such as basic operations, fractions, number line,  percentage, Sieve of Eratosthenes, relating area and multiplication.
matti.usu.edu/nlvm/nav/category_g_2_t_1.html

Math Advantage from Harcourt
Click on a grade and you'll get a list of interactive games and concentration puzzles on different topics.
www.harcourtschool.com/menus/math_advantage.html

Mr. Barton Maths Tutorials
Great and friendly review notes on middle school and algebra topics.
www.mrbartonmaths.com/ks3and4.htm

Mostly high school

Explorelearning Math Gizmos
Math and science interactive "gizmos" that are accompanied with an exploration guide and assessment question.  By subscription, but they have a free 30-day trial.
www.explorelearning.com/

Mathematics Tutorials and Problems (with applets)
Several java applets that help you explore mathematical concepts and topics (equations, functions, trigonometry, algebra, graphing, plus a few on calculus etc.) interactively.
www.analyzemath.com/

Interactive Mathematics
Tutorials for algebra, money math, trigonometry, statistics, and calculus.
www.intmath.com/

Mr. Barton Maths Tutorials
Great and friendly review notes on algebra 2 and calculus topics.
www.mrbartonmaths.com/alevel.htm

Mathematics Illuminated
Mathematics Illuminated is a 13-part, integrated-media resource created for adult learners and high school teachers. The series covers the broad scope of human knowledge through the study of mathematics and its relevance in the world today. It reaches beyond formulas and computations to explore the math of patterns, symmetry, relationships, multiple dimensions, and more, all the while uncovering the secrets and hidden delights of the ever-evolving world of mathematics. This course us videos, online texts, web interactive activities, and group activities.
www.learner.org/channel/courses/mathilluminated/

Mathwright Library and Cafe
The Mathwright Library (by subscription) is a growing collection of interactive, electronic mathematics and science WorkBooks and Microworlds for high school and college students. The Math Cafe has some of these WorkBooks as free demonstrations. They are multi-page dynamic mathematical explorations that put you in the drivers seat, let you ask your own questions, and let you learn at your own pace as they unfold their stories to you. For their WorkBooks you will need to download a free player.  Microworlds requires Active-X enabled browser (Microsoft Internet Explorer 4.0 or higher).
www.mathwright.com/

Fun with math / Puzzles

Brain Teasers from Pedagonet
Neat little general brain teasers for kids to enhance problem solving abilities.
www.pedagonet.com/brain/brainers.html

Cut The Knot
A site full of games, puzzles, illustrations, charts, paradoxes, illusions, mathematical droodles - often illustrated with interactive Java applets. You can learn a lot!
www.cut-the-knot.org/

Math Cats
Fun math for kids: math crafts, explorations, art gallery, and more.
www.mathcats.com/

Math Is Fun!
Lessons, puzzles, worksheets, games.
www.mathisfun.com/

Tim's Interactive Puzzle Solution Center
Famous and other curious brain teasers in interactive form. Includes both easy and more difficult ones.
sakharov.net/puzzle/

Games from Count On.org
Varied assortment of games from matching pairs to many common board games like Peg Solitaire and Othello.  Good graphics.
www.mathsyear2000.org/games/

Nick's Mathematical Puzzles
A collection of high school/college level math puzzles ranging over geometry, probability, number theory, algebra, calculus, and logic. Hints are provided, along with answers, fully worked solutions, and links to related mathematical topics.
www.qbyte.org/puzzles/

SpaceTime Arcade
Math games and puzzle games to enjoy.
www.spacetime.us/arcade/

Maths Zone
An interactive role-play adventure game/movie for those who like adventure. Help Ben and Mai to escape a castle where they are held by two bank robbers and reach the local police station in time to stop the robbers. It will take about 20 minutes to complete all four challenges. Suitable for middle school level.
www.channel4.com/learning/microsites/M/mathszone/

Googol Learning
Googols of fun combining math, music and stories into albums. Also free videos, articles, fun contests, and more.
www.googollearning.com/

Solid Gold Gnarly Math
Offers a free silly newsletter and a CD-ROM that both teaches and entertains with math.
www.gnarlymath.com/

Sudoku-Puzzles.net
Lots of free Sudoku puzzles. Play online, print it out or export as PDF. Also free puzzles to newspapers, magazines, teachers.
www.sudoku-puzzles.net/