From inside your course, select COURSE ADMIN

On the Course Admin screen, select QUIZZES.

On the nest screen which lists all the Quizzes in your course, find the chevron and select it.

From the menu that appears, select EDIT.

On the Edit Quiz screen that appears, you will see 6 tabs listed. Select the ASSESSMENT tab.

On the assessment screen,

1. Select a grade item using the the drop-down menu under 'Grade Item'
2. Check the box under 'Auto Export to Grades

Finally, select SAVE AND CLOSE button at the bottom of the screen.