Hey math teachers, tell this one at your next math conference... You know what's odd? Numbers that aren't divisible by two. Heh Heh Heh. It's sure to slay every time Let people know you're into math and funny jokes with your notebook. Whether you're looking for funny math prints, products for math teachers, or funny joke designs, you're covered with a You Know What's Funny notebook. This notebook is a great gift idea for men, women, and kids...