David Clark 

Associate professor of math at Grand Valley State University. Hiker, backpacker, and the least-winning boardgamer you've ever met.
My go-to alternative grading templates
Not all limits are the same
Grading For Growth: A look back and a look ahead
How to handle the unexpected
Common questions about standards-based grading
Blackboard Ultra assignments and alternative grading
Why I don't grade presentations (and what I do instead)
Updating an alternative grading system after a 6 year break