The reason that a quiz grade item is struck through in the gradebook is because the score for the quiz is set to not be disclosed.

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Check 'Marks' in 'Review options' of Quiz Edit settings.

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| Later, while the quiz is still open | The feedback can be checked about 2~3 minutes after taking the quiz and until the end of the quiz. (Note) If the end date and time of the quiz are not set, you need to select 'Later, while the quiz is still open' to enable the students to check the feedback. | | --- | --- | | After the quiz is closed | The feedback can be checked after the end of the quiz. (Note) If the end date and time of the quiz are not set, students cannot check the feedback even if 'After the quiz is closed' is selected. |