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Western Evolution In Teaching Math Since The 1950s [Copy link] 中文

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Post time 2014-3-7 16:41:38 |Display all floors
This post was edited by Ubiquinol at 2014-3-7 08:45

1. Teaching Math In 1950s
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 1960s
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 1970s
A logger sells a truckload of lumber for $100.  His cost of production is $80.  Did he make a profit?

4. Teaching Math In 1980s
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 1990s
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 2009
Un hachero vende una carretada de madera para $100.  El costo de la producciones es $80.  Cuanto dinero ha hecho?

7. Teaching Math In 2014
Who cares, just steal the lumber from your rich neighbor's property.  He won't have a gun to stop you, and the President says it's OK anyway cuz it's redistributing the wealth.

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Post time 2014-11-9 22:50:32 |Display all floors
Funny!

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Post time 2014-12-11 16:45:01 |Display all floors
West is doomed.

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Post time 2014-12-13 10:53:21 |Display all floors
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Post time 2017-1-10 13:36:17 |Display all floors
this is wack.

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Post time 2017-1-11 06:31:32 |Display all floors
Strange

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Post time 2017-1-11 06:31:50 |Display all floors
Miles_O_Brien Post time: 2017-1-10 13:36
this is wack.

It is CPO

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