University of Waterloo (Canada)
Math Frogs: Ordering Decimals
Test your knowledge of decimal amounts. Can you put the decimals in order from the least to the largest? This is a great place to practice!
University of Cambridge
University of Cambridge: Nrich: Games Pelmathism: Fractions, Decimals, & Percents
Use this game to improve your knowledge and understanding of fractions, decimals, and percents. You can set the topics you want to practice on this game.