Login into your Blackboard course. Click on Evaluation in Control Panel then click Grade Center.
Click on the gray arrow button within a cell for more options.
Click on View Grade Details in the drop-down list.
On the Attempts section, click on Open Attempt button to view student's attempt.
You can click on the file name to open the file or right click on the file name to save it to your local drive.
Then you can give a grade and a comment. You can also click Browser for Local File button to attach a file.
Enter some Instructor Notes if necessary or click Browser for Local File button to attach a file.
Click on the Submit button to finish grading.
Then, we will go back to Grade Detail page. Click on the Details button to view more detailed information.
You can see the Average Score of this test here.
The Grade History can be viewed in the Grade History section.