1. When a student asked her grandmother for help "finding the least common denominator" the grandmother replied, "You mean they haven't found that yet. They were looking for it when I was in school."
2. What does a mathematician call the occupied restroom on an airplane? .... (A hy-pot-en-use)
3. What does a bull add with? .... (a cow-cu-lator)
4. What do mathematicians sleep on? .... (ma-trices)
5. What does a dentist scrape from your teeth? .... (calculus)
6. What do you do with yarn and a needle? .... (u-nit)
7. What do you call a sunburned man? .... (a tan-gent)
8. What kind of insect is good at math? .... (an account-ant)
9. How do you make seven even? .... (take away the "s")
10. Why did the student eat his math exam?
11.  .... (because the teacher said that it was "a piece of cake")
12. Old mathematicians never die, they just lose some of their functions.

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