There may be a time when students have completed a quiz/exam and you have discovered a problem with a question in the exam or the exam total points. Possible scenarios might be:
- Decide to throw out a poor question and not count it.
- Discover the answer specified as correct in the quiz is actually wrong. You want to correct the error and regrade the exam.
- Discover that a short-answer question is not automatically grading the answer correctly because some students have used capital letters while others have not.
- Missed changing the value of a question from the Moodle default of 1 pt and you want that question to be worth more points.
- Want the quiz total score to be X points instead of the Y points as it was originally set.
Moodle will allow you to make these types of changes to a quiz question or exam and then run a re-grading of the exam. You will get a warning that the quiz already has attempts, but you can still change the value of the questions or quiz and the correct choice.
Count a Submitted Answer as Correct
Step 1
Click the Quiz you want to grade
Step 2
Click Attempts
Step 3
Scroll down to the bottom where you will see a table of marks
Step 4
Click the mark you want to update
Step 5
Scroll down and click Make comment or override mark
Step 6
Scroll down to Mark
Step 7
Change the Mark field to 1
Step 8
Press Enter to Save
Mark All Answers as Correct
For Multiple Choice questions, you can set all answers to be correct. Students will get credit for any answer they've chosen
NOTE: This only applies to multiple choice questions. True/False and Essay questions cannot be changed this way
Step 1
On the course homepage, click the link for the quiz
Step 2
Go to the Administration block and click Edit Quiz
Step 3
Find the question and click the Gear Icon
Step 4
Set the Grade for all answers to 100% 
Step 5
Choose Save
Update the Exam Scores
Step 1
Go to the Quiz Administration block and click Results, then Grades
Step 2
Click Regrade All. The Regrading attempt page appears 
Step 3
Click Continue. Updated scores are sent to the Gradebook
Change the Maximum Score Possible in a Quiz
Step 1
On the course homepage, click the link for the quiz
Step 2
Go to the Quiz Administration block and click Edit Quiz
Step 3
Find the question
Step 4
Change the Graded out of value to zero by clicking the Pencil icon
Step 5
Press Enter
Step 6
To change the exam total score:
Step 7
Go to the Maximum grade
Step 8
Enter the new score
Step 9
Click Save
NOTE: Changing the maximum score of a Quiz can affect overall gradebook totals as well as the grade weight of your quizzes
Change a Question's Answer
Step 1
On the course homepage, click the link for the quiz
Step 2
Go to the Quiz Administration block and click Edit Quiz
Step 3
Find the question and click the Gear icon
Step 4
Change the choice for the correct answer by setting Grade to 0% on the wrong answers and 100% on the correct answer
Step 5
Click Save changes
Step 6
See the previous section Update the Exam Scores
Remove Capitalization Requirement on Short Answer Question
Step 1
On the course homepage, click the link for the quiz
Step 2
Go to the Quiz Administration block and click Edit Quiz
Step 3
Find the question and click the Gear icon
Step 4
Change case sensitivity to No, case is unimportant
Step 5
Click Save changes
Step 6
See the previous section Update the Exam Scores