KenpoTex
Senior Master
"History of Teaching Math".
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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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 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 birds and squirrels feel
as the logger cut down the trees?
(There are no wrong answers)
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Teaching Math In 2005 -
El hachero vende un camion de madera por $100. La costa de production es.............
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 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?
Topic for class participation after answering the question:
How did the birds and squirrels feel
as the logger cut down the trees?
(There are no wrong answers)
---------------------------------------------------------------------
Teaching Math In 2005 -
El hachero vende un camion de madera por $100. La costa de production es.............
