Once you have completed the work on the first question in the question player, click on Next to move to the next question.

You can also click Next without completing the work if you want to preview everything before you start. 

To move backwards in the assignment, click on the Back button.

You can also jump to a specific question by clicking on it in the item list.

You can move from the player window to the worktext by clicking anywhere on the worktext underneath the player window. 

Do this when you want to review. Click on the blue button in the upper middle of the screen called Work On Assignment to go back to your work in the question player.