The teacher asked little Johnny, “What’s two and two?”. He counted 1-2-3-4 on his fingers and said, “Four, teacher?”. She said, ” Yes, that’s right, but you counted on your fingers. Put your hands behind behind your back and tell me what’s three and three”. He put his hands behind his back, fumbled around, and answered, “Six, teacher?”. She said, “Yes, that’s right, but you’re still counting on your fingers. Put your hands in your pockets and tell me what’s five and five”. He put his hands in his pockets, fumbled around, and replied, “Eleven, teacher?”.

Chuck Norris drew a triangle with four sides.

Q: Why do you rarely find mathematicians spending time at the beach? A: Because they can divide sin and cosine to get a tan!

Old mathematicians never die - they just lose some of their functions.

Why is it hard for a blonde to count to 70? Because 69 is such a mouthful.