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Certainly there are lots of things in life that money wonâ€™t buy, but have you ever tried to buy them without money? â€”Ogden Nash
I got a GPS so Iâ€™d always know where I am. Now I just need something to tell me why I came here.
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Math instruction through the ages
June 26, 2013Teaching math in 1963:
A logger sells a truckload of lumber for $100. HisÂ cost of production is 4/5 of the selling price. What is hisÂ profit?
Teaching math in 1973:
A logger sells a truckload of lumber for $100. His costÂ of production is 4/5 of the selling price, or $80. What is hisÂ profit?
Teaching math in 1983:
A logger sells a truckload of lumber for $100. HisÂ cost of production is $80. Did he make a profit?
Teaching math in 1993:
A logger sells a truckload of lumber for $100. HisÂ cost of production is $80 and his profit is $20. YourÂ assignment: Underline the number 20.
Teaching math in 2003:
A logger cuts down a beautiful forest because he isÂ selfish and greedy and cares nothing for theÂ habitat of animals or the preservation of the environment. He does this so he can make a profit ofÂ $20. What do you think of this way of making a living? And how do you think the birds and squirrels felt as theÂ logger cut down their homes? (There are no wrongÂ answers, and if you feel like crying, itâ€™s okay.)
Teaching math in 2013:
Un hachero vende una carretada de maderapara $100. ElÂ costo de la producciones es $80. Cuanto dinero haÂ hecho?
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