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Evolution of the Lumber business - 63 Years of Math In America
1. Teaching Math in 1950s
A logger sells a truckload of lumber for $100. His cost of productionis 4/5 of the price. What is his profit?
2. Teaching Math in 1960s
A logger sells a truckload of lumber for $100. His cost of productionis 4/5 of the price, or $80. What is his profit?
3. Teaching Math in 1970s
A logger sells a truckload of lumber for $100. His cost of productionis $80. Did he make a profit?
4. Teaching Math in 1980s
A logger sells a truckload of lumber for $100. His cost of productionis $80 and his profit is $20. Your assignment: Underline the number 20.
5. Teaching Math in 1990s
A logger cuts down a beautiful forest because he is selfish andinconsiderate and cares nothing for the habitat of animals or thepreservation of our woodlands. He does this so he can make a profitof $20. What do you think of this way of making a living? Topicfor class participation after answering the question: How did thebirds and squirrels feel as the logger cut down their homes? (Thereare no wrong answers, and if you feel like crying, it's ok.)
6. Teaching Math in 2000s
If you have special needs or just feel you need assistance because ofrace, color, religion, sex, age, childhood memories, criminal background,then don't answer and the correct answer will be provided for you.There are no wrong answers.
7. Teaching Math in 2020
Un hachero vende una carrtada de madera para 100 pesos. El costo de laproducciones es 80 pesos. Cuanto dinero ha hecho?
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