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Go to the Assessment and Feedback folder or wherever you have located the assignment and click on Blackboard assignment dropbox (you’ll recognise by the assignment icon 
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This opens up the assignment dropbox. Click on Submissions to see a list of student submissions:
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Alternatively you can go straight to Gradebook area in your module and click on the name o fthe of the assignment:
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Then click on the name of the student to mark their submission:
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