The home screen lists numbers 1-40 and teams can choose what number to start with. Click on the number and a definition shows up. Students have to guess the correct prefix or suffix. Click again and the answer appears. In the top left corner, click 'Home' and it takes you back to the main screen. You can have students shoot baskets or roll dice when they get a problem correct. Students get points for scoring a basket but they must get the problem correct before shooting.