Use the to give full credit.

Use the to give a 0.

To give a grade in between, use the and type the grade in the popup. When entering a grade, you can use several formats:

• Points earned (e.g. "45")
• A letter grade (e.g. "B-")
• A percent (e.g. "95%") -- Be sure to include the "%" or the grade will be interpreted as points.
• Full credit -- An equals sign ("=") is a shortcut that will award full credit (100%) automatically.