How do you say goodbye to a calculus teacher?

Calculator!

The teacher asked her class to use definitely in a sentence. Little Johnny raised his hand to answer, yet the teacher passed him and went on to Kevin. “The sky is definitely blue.” “Very good Kevin,but the sky can also be blue or black.” the teacher replied. Little Johnny raised his hand again as high as he could, yet the teacher passed right over him. And picked Annie from the back of the room. “The grass is definitely green.” “Very good Annie, but it can also be brown.” Little Johnny was waving his hand like crazy seeking her attention. Finally she called on him. “Mines more of a question, but do farts have lumps in them?” “Why no Johnny why would you ask such a question?” She questioned. “Well if they don’t have lumps in them, then I definitely just shit myself.”

One day Timmy walks in on his mum in the bath. Then he asks “What’s that dark fuzzy thing, mummy?” and mum said “It’s a bush, every girl has one!” Then the next day he walks in on his dad in the shower. So he asks “Daddy, what’s that long thing?” The dad then says “It’s a sexy boy” accidentally. Timmy asks his dad “What does sexy mean?” And the dad says “Your mother, of course.” making it seem like a child-friendly compliment. Then the next day at school Timmy wanted to compliment his teacher. He walks up to her and says “You’re so so sexy!”

Why did Beethoven have trouble finding a music teacher? – Because his teacher was Haydn.