math_gumball_machine.jpgwww.quia.com

Geometry

Area and Perimeter: www.funbrain.com/poly/
Geometry quiz: www.mathsnet.net/js/geomquiz/geometryquiz.html (Mrs. Carlton disagrees with some of the answers.)
Several geometry games: www.gamequarium.com/geometry.html
Geometry MATHO: www.aplusmath.com/cgi-bin/games/geomatho
Baseball Geometry: http://www.factmonster.com/math/knowledgebox/
Math Millionaire: www.mathsnet.net/puzzles/mathionaire/index.html

Multiplication

Free Rice (check it out!): http://www.freerice.com/
Multiplication Station: www.kidshub.org/games/Muliplication_Station.html (also Addition and Subtraction versions)
Several Multiplication Internet activities: www.multiplication.com/internet_games.htm
Multplication Concentration: www.aplusmath.com/Games/Concentration/Multiplication_Concentration.html
Math Baseball: www.funbrain.com/math/index.html (choose addition, subtraction, multiplication or division)
Lots of multiplication games: www.gamequarium.com/multiplication.html
Mental Math (do in you head stuff): www.amblesideprimary.com/ambleweb/mentalmaths/mentalmachine2.html
Math Facts (numbers, money, measurement, formulas, factors & fractions): www.factmonstor.com/pages/numeralgame.html
Flash cards: http://www.factmonster.com/math/flashcards.html

Factoring & Fractions

Fraction games: http://www.onlinemathlearning.com/fractions-math-games.html
Facts: http://www.factmonster.com/ipka/A0933469.html

Contest Practice - (see also links on Contests page)

RCT Round 1
RCT Round 2
RCT Round 3

Tables & Formulas

http://www.factmonster.com/ipka/A0877096.html

Sudoku

Sudoku for Kids: http://www.activityvillage.co.uk/sudoku_for_kids.htm
More Sudoku: http://www.websudoku.com/

Others

Several great Websites
www.quia.com (free site for teacher-made practice in many academic areas)