Warming Up: http://www.math-play.com/football-math-decimals-place-value/football-math-decimals-place-value.html
Practice: http://www.math-play.com/rounding-decimals-game-1/rounding-decimals-soccer-game_html5.html
Challenge! http://www.math-play.com/baseball-math-rounding-decimals/rounding-decimals-baseball-game.html