Teaching Math
1. Teaching Math In 1960s
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 1970s
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 In1980s
A logger sells a truckload of lumber for $100. His cost of production is
$80. Did he make a profit?
4. Teaching Math In 1990s
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 2010
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, and if you feel like crying, it's ok. )