What soft and wrinkly but gets sharper when you use it? Your brain! (This joke brought to you by one of my 2nd grade students. I told him it was so good I was going to put it on the internet.)
I told my boss that when I get nervous, I like to imagine my audience naked... ... she said I should probably stop teaching the 2nd grade.
Heard someone say they had to play soccer with 2nd graders. They should really invest in a ball...
What's long and hard on Texans? 2nd Grade.