The right margin and text area is for marks and comments.
The left margin and shape rubrics (see below) are for tracking deducted points.
A deduction of "–X" is a warning that points will be deducted in your next assignment for the same error.
In the shape rubrics below, a checkmark (✔) means you lost no points for the item and a negative number means you lost that many points for the item. Each shape rubric is assignment specific.
Midterm Report
Final Report
I break down the 5 points for Discussion as: interpret yields (2), interpret greenness in terms of your objectives (2), consider the impact of one side reaction on a yield (0.5), conclusion (0.5).