Decimalmania

AAA Math Decimals

http://www.aaaknow.com/dec.htm

FunBrain - PowerFootball

http://www.funbrain.com/football/index.html

Decimal Quiz from NumberNut

http://www.numbernut.com/advanced/activities/decimal_4bar_1000th.shtml

Fraction - Decimal Matching 1

http://www.harcourtschool.com/activity/con_math/g04c22a.html

Fraction - Decimal Matching 2

http://www.harcourtschool.com/activity/con_math/g03c23.html

Fraction - Decimal Matching 3

http://www.harcourtschool.com/activity/con_math/con_math.html

Fraction - Decimal - Percent Matching

http://www.harcourtschool.com/activity/con_math/g05c28.html

Salon Snap (Matching decimals to fractions)

http://www.bbc.co.uk/education/mathsfile/shockwave/games/saloonsnap.html

FunBrain - Double Fun Match - choose Fractions to Decimals

http://www.funbrain.com/match2/index.html

Gamequarium - Decimals

Lots of games and activities to choose from

http://www.gamequarium.com/decimals.html

Decimals, Fractions and Percents

Choose the topic you'd like. You can read about the topic and can take some online quizzes

http://www.bbc.co.uk/skillswise/numbers/fractiondecimalpercentage/