What is a math teacher's favorite sum?

What do sheep do on sunny summer days?

What's the most unpleasant type of wave to swim in?

What sound does a grape make when an elephant steps on it?

What did the rock say when someone called it a flower?

How do elves travel around the North Pole?

What do doctors do when a problem comes up?

Why did the nurse always choose the red crayon?

Why is a doctor always calm?

What did the worm say to the other when he was home late?

What's a father's favorite flower?

To whom do fish go to borrow money?

Why did the chicken cross the net?

What does one secret agent cow say to another secret agent cow before a mission?

What song do kittens play to fall asleep?