A fantastic site filled with mini lessons on all K12 math topics. This site is great for students and parents alike. http://www.khanacademy.org/
A collection of sites for homework help http://homeworkspot.com/elementary/math/
Math Games and Puzzles http://yahooligans.yahoo.com/School_Bell/Math/Games_and_Puzzles/
Input problems and answers and learn if they are right. http://www.aplusmath.com
Bulletin Board were students can post or e-mail homework questions to a "Web Teacher" who will help guide them towards a solution. http://www.mathgoodies.com
Parents are you looking for some extra practice worksheets that coincide with what we're doing in class? Check out: http://www.sbgmath.com/study_buddy.html
National Library of Virtual Manipulatives Great site for hands on practice with mathematical concepts! http://nlvm.usu.edu/en/nav/vlibrary.html
Math Maven on Scholastic Definitely NOT the �thrill of the drill�. Calling all math detectives! Mysteries are popping all over town, and our chief sleuth needs your help to crack each case. http://teacher.scholastic.com/maven/
AAA Math Very simple �thrill of the drill� activities for K-8. Most games have an instant correct or incorrect answer. http://www.aaamath.com/
Cool Math 4 Kids http://www.coolmath4kids.com/
Discovery School Brain Busters http://school.discovery.com/brainboosters/#number
This site has it all http://www.kidskonnect.com/MathSites/MathSites.html
Cool MATH-MAGIC sites http://home.att.net/~numericana/answer/magic.htm
More MATH MAGIC http://www.pen.k12.va.us/Div/Winchester/jhhs/math/puzzles/mtricks.html
More MATH MAGIC http://www.pen.k12.va.us/Div/Winchester/jhhs/math/puzzles/mathmagc.html
Interactive Math Dictionary http://www.teachers.ash.org.au/jeather/maths/dictionary.html
Gret COmprehensive mathematics sights for teachers and parents http://www4.eboard.com/eboard/servlet/BoardServlet?ACTION=BOARD_SHOW&SITE_NAME=newark&BOARD_NAME=Math&SESSION_ID=ltkt9jxa1t0cm41475