Math is fun!

Subject: Math 1950-2006

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1. 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?

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2. 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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3. Teaching Math In 1970

A logger sells a truckload of lumber for $100. His cost of
production is
$80. Did he make a profit?

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4. 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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5. Teaching Math In 1990

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. )

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6. Teaching Math In 2006


Un hachero vende una carretada de maderapara $100. El costo de
la
producciones es $80. Cuanto dinero ha hecho?



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