#### Chevit

##### 1/2 ton status

> Last week I purchased a burger at Burger King for $1.58. The counter

> girl took my $2 and I was digging for my change when I pulled 8 cents from

> my pocket and gave it to her. She stood there, holding the nickel and 3

> pennies, while looking at the screen on her register. I sensed her

> discomfort and tried to tell her to just give me 2 quarters, but, but she

> hailed the manager for help. While he tried to explain the transaction to

> her, she stood there and cried.

>

>

>

> Why do I tell you this? Please read more about the "history

> of teaching math":

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> Teaching Math In 1950

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> ************************

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>

> A logger sells a truckload of lumber for $100. His cost of

> production is 4/5 of the price. What is his profit?

>

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> 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?

>

>

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>

>

> Teaching Math In 1970

>

> ************************

>

> A logger exchanges a set "L" of lumber for a set of "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."

>

> Answer this 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.

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>

>

> 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)

>

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> Teaching Math In 2000

>

> ************************

>

> A logger sells a truckload of lumber for $100. His cost of

> production is $120. How does Arthur Anderson determine that his profit

> margin is $60?

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> Teaching Math In 2005

>

> ************************

>

> El hachero vende un camion carga por $100. La cuesta de

> production es.............

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