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Fifty Years of Math 1957 - 2007 (in the USA )


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Fifty Years of Math 1957 - 2007 (in the USA )

Last week I purchased a burger at Burger King for $1.58. The counter girl took my $2 and I was digging for my change when I pulled 8 cents from my pocket and gave it to her. She stood there, holding the nickel and 3 pennies, while looking at the screen on her register. I sensed her discomfort and tried to tell her to just give me two quarters, but she hailed the manager for help. While he tried to explain the transaction to her, she stood there and cried.. Why do I tell you this? Because of the evolution in teaching math since the 1950s:

1. Teaching Math In 1950s

A logger sells a truckload of lumber for $100. His cost of production is 4/5 of the price. What is his profit ?

2. Teaching Math In 1960s

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 1970s

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

4. Teaching Math In 1980s

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 1990s

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 2009

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

Pre-1995 - DTC codes OBD1  >>

1996 and newer - DTC codes OBD2 >> https://www.obd-codes.com/trouble_codes/gm/obd_codes.htm

How to check for codes Caddyinfo How To Technical Archive >> http://www.caddyinfo.com/wordpress/cadillac-how-to-faq/

Cadillac History & Specifications Year by Year  http://www.motorera.com/cadillac/index.htm

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I feel bad for her. I've had it happen to me on a number of occasions where the cashier is unable or is having a difficult time figuring out how much change to give back. Once items are totaled and the register figures the change they can become lost if suddenly change is found by the customer. Without the register doing the math, they look at you like, :huh:!

I play it cool and help them out and try not to make them feel embarrassed.

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I feel bad for her. I've had it happen to me on a number of occasions where the cashier is unable or is having a difficult time figuring out how much change to give back. Once items are totaled and the register figures the change they can become lost if suddenly change is found by the customer. Without the register doing the math, they look at you like, :huh:!

I play it cool and help them out and try not to make them feel embarrassed.

I have had that happen also, I am surprised how many cashiers are locked into the cash register doing the change calc, and once you 'confuse' the issue, it creates problems, this was more of a joke than anything else

Pre-1995 - DTC codes OBD1  >>

1996 and newer - DTC codes OBD2 >> https://www.obd-codes.com/trouble_codes/gm/obd_codes.htm

How to check for codes Caddyinfo How To Technical Archive >> http://www.caddyinfo.com/wordpress/cadillac-how-to-faq/

Cadillac History & Specifications Year by Year  http://www.motorera.com/cadillac/index.htm

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Used to get lunch at safeway, a little meat at the deli counter, a fresh kaiser roll and a packet of mayo. So i would ask for 2 tenths of a pound of smoked turkey, or whatever ... the scale was digital, registered in tenths, so all they needed to do was rack it up to '.2' or '.20'. The younger ones were completely flummoxed at this ... no idea what i was asking, and i did it in the most convenient way possible for them. What if I had asked for 3.2 ounces?

It just simple arithmetic. Scary how many students graduate hs without a very basic knowledge of this stuff.

Oh, and there was this older lady at the checkout, questioning her purchase of something from the meat counter. It was labeled .5 and she was adamant that she had paid for a half a pound, expecting to see 8 (as in ounces). I gently tried to explain ....

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