-What kind of tree could a maths teacher climb? = Geometry -Have you heard about the mathematical plant? It has square roots -Talking sheepdog gets all the sheep in the pen for his farmer. He comes back and says ‘All 40 accounted for.’ Farmer says, ‘I’ve only got 36!’ Sheepdog replies, ‘I know, but I rounded them up.' -Q: What did one math book say to the other? A: Don't bother me I've got my own problems! -Teacher: Why are you doing your multiplication on the floor? Student: You told me not to use tables. -TEACHER: "What's 2n plus 2n?" STUDENT: "I don't know, it's 4n to me!" -Some say the pope is the greatest cardinal. But others insist this cannot be so, as every pope has a successor. -Q. What do you call a crushed angle? A. A rectangle! -Q. Why is a dog with a bad foot like adding 6 and 7? A. Because he puts down three and carries the one. -If it is cold, go and stand in the corner, because it is 90 degrees there.