Evolution of teaching math
joannie
2,294 Posts
>> 1. Teaching Math In 1950's
>> A logger sells a truckload of lumber for $100. His
>> cost of production i s 4/5 of the price.
>> What is his profit ?
>>
>> 2. Teaching Math In 1960's
>> 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?
>>
>> 3. Teaching Math In 1970's
>> A logger sells a truckload of lumber for $100. His
>> cost of production is $80.
>> Did he make a profit?
>>
>> 4. Teaching Math In 1980's
>> 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.
>>
>> 5. Teaching Math In 1990's
>> 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, and if you feel
>> like crying, it's ok. )
>>
>> 6. Teaching Math In 2007
>> Un hachero vende una carretada de madera para $100.
>> El costo de la producciones es $80.
>> Cuanto dinero ha hecho.
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