OT - Teaching Math in the US

February 9, 2004

TEACHING MATH IN 1950:

A logger sells a truckload of lumber for $100. His cost of production is 4/5 of

the selling 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 selling 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 the 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? What's wrong about it? 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 Anderson determine that his profit margin is $60. How many

documents were shredded to achieve this result?

TEACHING MATH IN 2010:

El Loggero se habla with the truckero y se ponen de acuerdo con otro driver de

la conpentencia y etc.........

Blessings, Doreen

~~~~~~~~~~~~~~~~~~~~~~~~~

Fields we saw

Blooming with

So many different flowers,

Frost-withered now

To a single hue.

~~Saigyo~~~~~~~~~~~~~~~~~~Get more from the Web. FREE MSN Explorer download :

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