For more on Abbott and Costello and mathematics, here’s the classic routine “Two Tens for a Five.” (On my first job as a teenager, my boss successfully pulled this joke on me using two dimes and a nickel.)

# Abbott and Costello and subtraction

## Published by John Quintanilla

I'm a Professor of Mathematics and a University Distinguished Teaching Professor at the University of North Texas. For eight years, I was co-director of Teach North Texas, UNT's program for preparing secondary teachers of mathematics and science. View all posts by John Quintanilla

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