There is a technical glitch in the system that makes the score for a Pre-Assessment Activity scorecard show 0%, even when questions were answered correctly. The scorecard will still display the number of questions answered correctly.
To calculate your score by hand, simply divide the number of questions you answered correctly by the total number of questions. Example: The Pre-Assessment Activity contained a total of 5 questions, and you answered 4 correctly: 4 divided by 5 = 80%.
This error does not affect lesson completion status or the ability to review the questions and their rationale.