I found some funny calculus jokes at this site: onlinemathlearning.com/math-jokes-calcul... The first one about the 'flat tire' was pretty funny. Are the students in your class high school age or older? If so, then you can get away with all of the jokes at that site.
I found some fun (and shorter) math jokes at this site... but I warn you, they're corny! math.ualberta.ca/~runde/jokes.html Last but not least... here's a site with an abundance of all kinds of math jokes and one liners. Enjoy.
I cant really gove you an answer,but what I can give you is a way to a solution, that is you have to find the anglde that you relate to or peaks your interest. A good paper is one that people get drawn into because it reaches them ln some way.As for me WW11 to me, I think of the holocaust and the effect it had on the survivors, their families and those who stood by and did nothing until it was too late.