Teaching Mathematics in Australia

26 05 2008

[With thanks to S.C., from whom the following was sent by email]

1. Teaching Mathematics in 1970.
A logger sells a truckload of timber for $100.
His cost of production is 4/5 of the price.
What is his profit?

2. Teaching Mathematics in 1980.
A logger sells a truckload of timber for $100.
His cost of production is 4/5 of the price, or $80.
What is his profit?

3. Teaching Mathematics in 1990.
A logger sells a truckload of timber for $100.
His cost of production is $80.
Did he make a profit?

4. Teaching Mathematics in 2000.
A logger sells a truckload of timber for $100.
His cost of production is $80 and his profit is $20.
Your assignment: Underline the number 20.

5. Teaching Mathematics in 2008.
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?
For class participation after answering the question: How did the
birds feel as the logger cut down their homes? (There are no wrong
answers.)

6. Teaching Mathematics in 2018.
أ المسج ل تبيع حموله شاحنة من الخشب من اجل 100 دولار. صاحب تكلفة
الانتاج من الثمن. ما هو الربح له


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3 responses

26 05 2008
Judy Redman

Actually, in 2008, you can choose whether you want to answer questions of types 1,2,3 or 5, depending on what you want to do with the rest of your life. Which, of course, you know when you have to make the choice. :-)

31 05 2008
Conrad

For what it’s worth, #5 has the most philosophically interesting and demanding question(s).

20 06 2008
Phalanx

Somehow i missed the point. Probably lost in translation :) Anyway … nice blog to visit.

cheers, Phalanx

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