Rounding

 http://www.math-play.com/rounding-numbers-pirate/rounding-numbers-pirate-html5.html

This game is about rounding numbers. This was a very easy game and i really enjoyed it. I recommend this game to any one who is interested. 

http://www.math-play.com/baseball-math-rounding-decimals/rounding-decimals-baseball-game_html5.html

This game is about rounding decimals, to be really honest i found this a little difficult because i have never found anything to do with decimals easy. But in that case to anyone who is willing to learn how to round decimals then i would really recommend this game to you.