Why did the math book look sad? Because it had too many problems!

Teacher: "If you had 5 apples and I asked for one, how many would you have left?"

Teacher: "No, listen carefully... If you had 5 apples and I took one, how many would you have left?"

Student: "Four."

Student: "Still five."

Why did the scarecrow win an award? Because he was outstanding in his field!

Why don't scientists trust atoms? Because they make up everything!