A score will be generated for questions you answer. This score will accumulate until you press the "Reset Score" button at any time or delete the cookies within your Web Browser.
Each extended matching set consists of a series of 5 questions with a list of 16 or 20 potential answers. The cursor will first appear in a blank box next to the first question. You are to type in your answers in each of these boxes for each question, then click the "Check Answer" button. The questions will be scored as correct or incorrect in the right column. Then click "Answer Key" to view the feedback for the questions.