moodle/lang/en/help/lesson/ongoing.html

<h1>Ongoing Score</h1>

<p>With this turned on, each page will display the student's current points earned out of
    the total possible thus far.  Example:  a student has answered four 5 point questions and answered one 
    incorrectly.  The ongoing score would print that s/he has currently earned 15/20 points.</p>