I have some grades that are imported from Cengage as percentage. However, all of my other activities in Canvas are in points. Is there any way that I can change the grades coming from Cengage to show as points as well?
As far as I'm aware no, you can't change this. I ran into the same problem when using myStatLab - the grades coming over as percentages and the grades being locked and me not being able to adjust them in any way. What I ended up doing was NOT having the grades imported over automatically and instead manually convert the grades from percent to points and then enter them into the Canvas gradebook. That was a whole lot of not fun, but the only thing that made the Canvas gradebook & myStatLab work the way I wanted it to work.
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