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Grading in my Discrete Mathematics class: a 3x3x3 reflection

Robert Talbert, Ph.D.

Here's the one from Winter 2021 for calculus and here's the one for modern algebra. I only have a preliminary tabulation of the course grades right now, but it's the most striking bimodal distribution I have ever seen, with a large number of D grades and an almost equally large number of A's. What about ungrading?