1-Choose the Data view in the Gradebook tab.
2-Change course to the one you wish to check the grades for. Note: By default, the system will display the course you have recently selected in the Course tab.
3-Change view to display a chosen type of activities.
4-Choose applicable Unit, Section or Activity. The gradebook will display grades just for the position chosen in the Table of Content.
5-The title of the Section/Activity will be displayed at the top of the Gradebook.
6-After selecting a particular activity in a section, you can preview it by clicking on the preview icon. This is a place where you can also assign activities, learn here how to do it.