Oldie but goodie!

Discussion in 'General Discussion' started by johnston3407, Mar 9, 2007.

  1. johnston3407

    johnston3407 New Member

    Joined:
    Aug 10, 2006
    Messages:
    592
    Location:
    South Coast of Mississippi
    The Evolution of Math in the United States
    Last week I purchased a burger and fries at McDonalds for $3.58.

    The counter girl took my $4.00 and I pulled 8 cents from my pocket and
    gave it to her. She stood there, holding the nickel and 3 pennies. While
    looking at the screen on her register, I sensed her discomfort and tried
    to tell her to just give me two quarters, but she hailed the manager for
    help. While he tried to explain the transaction to her, she stood there
    and cried. Why do I tell you this?

    Because of the evolution in teaching math since the 1960s...


    Teaching Math In 1960

    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 1970

    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 1980

    A logger sells a truckload of lumber for $100. His cost of production is
    $80. Did he make a profit?



    Teaching Math In 1990

    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 2000

    A logger cuts down a beautiful forest because he is selfish and
    inconsiderate and cares nothing for the habitat of animals or the
    preservation of our woodlands. He does this so he can make a profit of
    $20. What do you think of this way of making a living? Topic for class
    participation after answering the question: How did the birds and
    squirrels feel as the logger cut down their homes? (There are no wrong
    answers.)


    Teaching Math In 2006

    Un ranchero vende una carretera de madera para $100. El cuesto de la
    produccion era $80. Cuantos tortillas se puede comprar?
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