Math History
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Posting Guru
Joined: Dec 2000
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From: Western Colorado USA
Math History
I received this in e-mail
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Teaching Math in 1950:
A logger sells a truckload of lumber for $100.
His cost of production is 4/5 of the price.
What is his profit?
Teaching Math in 1960:
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?
Teaching Math in 1970:
A logger exchanges a set "L" of lumber for a set "M" of money. The cardinality of set "M" is 100. Each element is worth one dollar. Make 100 dots representing the elements of the set "M." The set "C", the cost of production contains 20 fewer points than set "M."
Represent the set "C" as a subset of set "M" and answer the following question:
What is the cardinality of the set "P" of profits?
Teaching Math in 1980:
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.
Teaching Math in 1990:
By cutting down beautiful forest trees, the logger makes $20. What do you think of this way of making a living? Topic for class participation after answering the question: How did the forest birds and squirrels feel as the logger cut down the trees? There are no wrong answers.
Teaching Math in 2000:
A logger sells a truckload of lumber for $100.
His cost of production is $120.
How does Arthur Andersen determine that his profit margin is $60?
____________________________
Teaching Math in 1950:
A logger sells a truckload of lumber for $100.
His cost of production is 4/5 of the price.
What is his profit?
Teaching Math in 1960:
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?
Teaching Math in 1970:
A logger exchanges a set "L" of lumber for a set "M" of money. The cardinality of set "M" is 100. Each element is worth one dollar. Make 100 dots representing the elements of the set "M." The set "C", the cost of production contains 20 fewer points than set "M."
Represent the set "C" as a subset of set "M" and answer the following question:
What is the cardinality of the set "P" of profits?
Teaching Math in 1980:
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.
Teaching Math in 1990:
By cutting down beautiful forest trees, the logger makes $20. What do you think of this way of making a living? Topic for class participation after answering the question: How did the forest birds and squirrels feel as the logger cut down the trees? There are no wrong answers.
Teaching Math in 2000:
A logger sells a truckload of lumber for $100.
His cost of production is $120.
How does Arthur Andersen determine that his profit margin is $60?
Cargo Master
Joined: Jul 1999
Posts: 2,484
Likes: 7
From: New Egypt, New Jersey
Math History
Thanks for the good laughs! 
They are actually teaching something new now, where they don't want the kids to actually solve the problem and come up with the exact answer, but rather "guess" instead. What's up with that? I thought math was supposed to be a "science" of sorts?
They are actually teaching something new now, where they don't want the kids to actually solve the problem and come up with the exact answer, but rather "guess" instead. What's up with that? I thought math was supposed to be a "science" of sorts?
Post Fiend
Joined: Jan 2000
Posts: 5,860
Likes: 4
From: Metro Detroit (Redford)
Math History
>Earth First, we can hunt the other planets later...
AS for Arther Anderson (our Economist says) the answer is dependent upon how Arthur Anderson relates to the question. Is Arthur Anderson the Logger?
1. Yes, then he was calculating economic profit and the implicit benefits are valued at $80. Then Profit = implicit (or external) benefits of $80 + Revenue of $100 - Costs of $120 = $60.
2. No, then the profit is calculated independently of the $120 cost and $100 revenue and can not be determined from the information given.
INLINE SIX POWER!
'95 F150 XL
300 Cubic Inches of Low RPM Truck Torque! And twin-I-beams too!
"Drive a stick young man! There'll be time for automatics when you're old and unable."
AS for Arther Anderson (our Economist says) the answer is dependent upon how Arthur Anderson relates to the question. Is Arthur Anderson the Logger?
1. Yes, then he was calculating economic profit and the implicit benefits are valued at $80. Then Profit = implicit (or external) benefits of $80 + Revenue of $100 - Costs of $120 = $60.
2. No, then the profit is calculated independently of the $120 cost and $100 revenue and can not be determined from the information given.
INLINE SIX POWER!
'95 F150 XL300 Cubic Inches of Low RPM Truck Torque! And twin-I-beams too!
"Drive a stick young man! There'll be time for automatics when you're old and unable."
Elder User
Joined: Feb 2002
Posts: 755
Likes: 1
From: Campbell, California
Math History
Califorina Student: Uhhhhhhh..........what's a 20?
California public school teacher: SHUT UP AND TAKE YOUR RITALIN! That's it, I'm calling my union. I can't take these working condition any more.
California public school teacher: SHUT UP AND TAKE YOUR RITALIN! That's it, I'm calling my union. I can't take these working condition any more.
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