Teaching Math Since the 1950′s

Monday, June 9th, 2008 1:01 pm by Neal

(Hat tip: David)

1. Teaching Math In 1950′s
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′s
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′s
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′s
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′s
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. )

6. Teaching Math In 2008
Unhachero vende una carretada de maderapara $100. El costo de la produccioneses $80.
Cuanto dinero ha hecho?

Comments are closed.