The last pinner said "Math teacher humor!" I think people who don't teach math would also understand this, but that's just my opinion
People's response on learning I am a math teacher. http://satprepget800.com/2014/04/28/dr-steves-favorite-math-jokes/
I 8 sum Pi, Math Teacher Humor T-Shirt
Math teacher humor
School - Mathematics
Math teacher humor....omg this is terrible but I had to...
WARNING: Math Teacher Poster
For the Classroom
Math teacher humor...Ho Ho Ho
I've been thinking....
Math teacher humor :)
Blinded by Science: Darn creative and cool
More math teacher humor!
Math teacher humor More
Teacher Humor, Teacher Reality