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Guest Message by DevFuse


Teaching Math in the USA

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1 reply to this topic

#1 OFFLINE   John Corn

John Corn

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Posted 12 August 2003 - 02:36 PM

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

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? What's wrong about it?
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

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? And how many
documents were shredded to achieve this number?

Teaching Math in 2010:
El Loggero se habla with the truckero y se ponen de
acuerdo con otro driver de la competencia y etc...
Have a Great Day! :) :flag:

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#2 OFFLINE   Nick


    Retired, part-time PITA

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Joined: Apr 23, 2002

Posted 12 August 2003 - 05:34 PM


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