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? 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 Andersen

determine that his profit margin is $60? And how many

documents were shredded to achieve this number?

Teaching Math in 2010:

El Loggero se habla with the truckero y se ponen de

acuerdo con otro driver de la competencia y etc...

# Welcome to DBSTalk

Welcome to DBSTalk. Our community covers all aspects of video delivery solutions including: Direct Broadcast Satellite (DBS), Cable Television, and Internet Protocol Television (IPTV). We also have forums to discuss popular television programs, home theater equipment, and internet streaming service providers. Members of our community include experts who can help you solve technical problems, industry professionals, company representatives, and novices who are here to learn.

Like most online communities you must register to view or post in our community. Sign-up is a free and simple process that requires minimal information. Be a part of our community by signing in or creating an account. The Digital Bit Stream starts here!

Like most online communities you must register to view or post in our community. Sign-up is a free and simple process that requires minimal information. Be a part of our community by signing in or creating an account. The Digital Bit Stream starts here!

- Reply to existing topics or start a discussion of your own
- Subscribe to topics and forums and get email updates
- Send private personal messages (PM) to other forum members
- Customize your profile page and make new friends

Guest Message by DevFuse

# Teaching Math in the USA

Started by
John Corn
, Aug 12 2003 02:36 PM

1 reply to this topic