Teaching math from 1955 to 2005....
How true and how sad....
1. Teaching Math In 1955 - 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 1965 - 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 1975 - A logger sells a truckload of lumber for $100. His cost of production is $80. Did he make a profit?
4. Teaching Math In 1985 - 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 1995 - 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 2005 - Un hachero vende una carretada de maderapara $100. El costo de la producciones es $80.
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