SpeedGrader is the Canvas tool for reviewing and grading student coursework. Although you can comment on assignments and assign a score directly from the Gradebook, SpeedGrader offers additional annotation tools.
Opening an Assignment in SpeedGrader
SpeedGrader Annotation Tools
Basic features of the SpeedGrader display are shown below.
The video at the top of this article describes SpeedGrader features and their use in more detail.