The evolution of math through the years
Date: Tue, 17 May 94 13:44:57 PDT
Subject: The evolution of math through the years
Forwarded-by: bostic@vangogh.CS.Berkeley.EDU (Keith Bostic)
Forwarded-by: "Miles O'Neal" <email@example.com>
From: Kelly James Clark at Calvin College in Michigan (firstname.lastname@example.org).
The Math Quiz:
In 1960: A logger sells a truckload of lumber for $100. His cost of
production is four fifths the price. What is his profit?
In 1970 (traditional math): A logger sells a truckload of lumber for
$100. His cost of production is 4/5 of the price; in other words $80.
What is his profit?
In 1970 (new math): A logger exchanges set L of lumber for set M of
money. The cardinality of set M is 100 and each element is worth $1.
Make 100 dots representing the elements of set M. The set C of costs
contains 20 fewer points than set M. Represent set C as a subset of
set M, and answer the following question: What is the cardinality of
the set P of profits?
In 1980. A logger sells a truckload of wood for $100. His cost of
production is $80 and his profit is $20. Your assignment: Underline
the number 20.
In 1990 (Outcome-Based Education): By cutting down beautiful forest
trees, a logger makes $20. What do you think of this way of making a
living? Topic for class discussion: How did the forest birds and
© 1994 Peter Langston