Yes. There are loads of games on MyMaths for you to try out.
Log in to MyMaths using your school username and password.
You can then go to the Games section in the MyMaths library.
Or you can use your own username and password to log in to MyPortal.
Click on the Games tab.
Click on the arrow buttons to look through the games.
Choose a game by clicking on it.
Click on Play game? to play the game.