# [Dixielandjazz] Teaching Math

**Russ Guarino
**
russg@redshift.com

*Sun, 11 Aug 2002 11:33:38 -0700*

Steve, Where on earth do you come up with these things?
Russ Guarino
Stephen Barbone wrote:
>* Math
*>*
*>* Teaching Math in 1950: A logger sells a truckload of lumber for $100.
*>* His
*>* cost of production is 4/5 of the price. What is his profit?
*>*
*>* Teaching Math in 1960: A logger sells a truckload of lumber for $100.
*>* His
*>* cost of production is 4/5 of the price, or $80. What is his profit?
*>*
*>* Teaching Math in 1970: A logger exchanges a set "L" of lumber for a set
*>* "M"
*>* of money. The cardinality of set "M" is 100. Each element is worth one
*>* dollar. Make 100 dots representing the elements of the set "M." The set
*>* "C",
*>* the cost of production contains 20 fewer points than set "M." Represent
*>* the
*>* set "C" as a subset of set "M" and answer the following question: What
*>* is
*>* the cardinality of the set "P" of profits?
*>*
*>* Teaching Math in 1980: A logger sells a truckload of lumber for $100.
*>* His
*>* cost of production is $80 and his profit is $20. Your assignment:
*>* Underline
*>* the number 20.
*>*
*>* Teaching Math in 1990: By cutting down beautiful forest trees, the
*>* logger
*>* makes $20. What do you think of this way of making a living? Topic for
*>* class
*>* participation after answering the question: How did the forest birds
*>* and
*>* squirrels feel as the logger cut down the trees? There are no wrong
*>* answers.
*>*
*>* Teaching Math in 2000: A logger sells a truckload of lumber for $100.
*>* His
*>* cost of production is $120. How does Arthur Andersen determine that his
*>* profit margin is $60?
*>*
*>* Teaching Math in 2010: El hachero vende un camion carga por $100. La
*>* cuesta
*>* de production es.........
*>*
*>* _______________________________________________
*>* Dixielandjazz mailing list
*>* Dixielandjazz@ml.islandnet.com
*>* http://ml.islandnet.com/mailman/listinfo/dixielandjazz
*