Funny Math

Derek sent me these today:

This reminds me of something SarahPowers might have attempted in high school:


This is even funnier, but I'm not sure SarahPowers had enough Calc knowledge to pull it off:


This is how I felt in some of my college math classes (Vector and Tensor Calc, Complex Variables, Partial Differential Equations...):


I've seen this one before. I would give a point for humor:


I would give a point here, as well. My kids don't even try to be funny. They either make up a bunch of nonsense or they leave it blank. Or my favorite -- they write "IDK" - for "I Don't Know". Thanks, I wasn't sure.