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Students who need an extra attempt during the original due date range
Use the Moderate This Quiz button on the Quiz page. For details see the following Canvas guide: Once I publish a quiz, how do I use the Moderate Quiz page?
Students who need an extra attempt after the original due date range
Click Moderate This Quiz and provide an additional attempt
If the student has already used their attempts, use the Moderate This Quiz button on the Quiz page and provide an additional attempt. For details see the following Canvas guide: Once I publish a quiz, how do I use the Moderate Quiz page?
Add a New Due date for the student
Edit the quiz and Add a NEW due date for the student. Do not remove everyone. Instead, click +ADD to a new due date for the student. For details, see the following Canvas guide: How do I assign a quiz to an individual student