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 the subset of set M and answer this 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.....=20
Posts: 3236 | From: Dallas, Texas | Registered: Nov 2002
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No wonder I hated Math . All the teaching of the 60's and70's made my head spin .The "New Math" that they thought of really confused a kid way back then (class of '74)
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That's hillarious... because I hate math. I hate math,....because when it was being taught to me, it was taught in the style as described by the "70's". This was in the 90's. I think they TRIED to confuse students. I reallllllly hate math. Its all about how you word the problem at hand.
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quote:Originally posted by cytruffle: 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 what's wrong with this?
[ 26. September 2003, 03:41 PM: Message edited by: Jim Mac ]
Posts: 1907 | From: I hope I'm not repeating myself. Again. And Again. Stop picking on me! Waaahhh!! | Registered: Feb 2000
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I love math; it is one of the very few things that separate us from the beasts of the field.
if more math teachers had actually majored in mathematics in college, people would not be so proudly innumerate. Posts: 106 | From: St. Augustine, FL. | Registered: Aug 2003
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