08-15-2007, 07:52 AM
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Join Date: Nov 2003
Location: Middle Of Nowhere,
USA
Cobra Make, Engine: ERA 428 FE 4-speed CR "TL" heavy spline
Posts: 3,907
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The Evolution of Math
1. 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?
2. 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?
3. Teaching Math In 1970:
A logger sells a truckload of lumber for $100. His cost of production is $80. Did he make a profit?
4. 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.
5. Teaching Math In 1990:
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)
6. Teaching Math In 2007:
Un hachero vende una carretada de madera por $100. El costo de la producciones es $80. Cuanto dinero ha hecho?
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