• Go to Course Tools in the navbar in your course.
• Click on Quizzes.

• Click on the arrow next to the name of the quiz and click on Edit.

• Click the question you want to edit.

You can now adapt the selected question.

• Check the correct answer.
• Click on Save.
• Click on Save and Close.

The correct answer is now adapted for the quiz and will be seen as the correct answer in attempts that will be submitted from now. However, the scores of the previous submitted attempts will not be changed. You will have to do this manually.

• Click on the arrow next to the name of the quiz and click on Grades.
• Click on the third tab Questions.

• Select Update All Attempts
• Under Questions that are not in the quiz anymore, you can see the quizzes that you have deleted/adapted. Click on a question to adapt the score for students that have answered this question.

• Select Give attempts with answer [correct answer] [number] points.
  • Select in the first field what should have been the correct answer.
  • Set up the amount of points that the student should receive from giving the previous selected answer.
• (Optional) Add a comment to inform students about the changed answer.
• Click on Save.
• Click on Go Back to Questions.

• Click on the second tab Attempts
• Check whether the new scores of the quiz have been published again.