Here is a game that tests your conversion between decimals, fractions and percents. You have to group the decimals, fractions and percents that are equivalent to each other. Click on the link the play the game.
http://www.mathplayground.com/Decention/Decention.html
Once you have played the game, answer these questions
Express each of the following as a percent and faction
1)0.1
2) 0.3
3)0.4
4)0.8
5)0.9