The list below contains a sampling of the site listed on the Seattle Public School web site for math. The entire list can be found here. Please share with us your thoughts about the sites below, as well as others you may already know!
Aplus Math
Games, worksheets, flash cards and more help students develop their math skills interactively. You can even create and print out flash cards at home!
Ask Dr. Math
Ask Dr. Math is a question and answer service for math students and their teachers. A searchable archive is available by level and topic, as well as summaries of Frequently Asked Questions (the Dr. Math FAQ).
Cool Math 4 Kids
Cool math 4 kids is a math site specially designed for what kids like and how they learn!
Kids Place Brain Teasers
The American Library Association includes Brain Teasers on its list of "Great Web Sites for Kids!"
Math Explorer
Math Explorer has loads of fun, hands-on math activities, crafts, games, tricks and puzzels to help kids explore how math is part of our every day world. This link takes you to the search page where you can search for activities by topic. Click the "Explore" button at the top of the page and check out other topics such as the Science of Sports, Language, Weather, Biodiversity and Climate Change.
Illuminations
From the National Council of Teachers of Mathmatics, Illuminations contains a library of 96 online activities that help to make math come alive in the classroom or at home, as well as math lessons ranging from Pre-K to High School.
Interactive Math - National Library of Virtual Manipulatives
In part a program from Utah State University... some of the activities on this site are a bit complex at first, but can be fun and entertaining.
Math Is Fun
The main content of the site is aimed at developing basic math skills using games, puzzles, worksheets and quizzes.
Mathletics
You never thought math was in sports? Just think about it.... Every sport uses numbers in some way, whether it's for scoring, determining averages, or figuring percentages. And when numbers are involved, it usually means math is as well.