Nicked from another ng. How teaching maths changes

[Nick]

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?

1. Teaching Math In 1970s

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?

1. Teaching Math In 1980s

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

Yes or No

1. Teaching Math In 1990s

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.

1. Teaching Math In 2000s

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).

1. Teaching Math In 2050

??????? ???? ??????? ?? ???? 100 ??? . ????? ??????? ?? 80

??????? . ??? ???????? ????? ????

[spuorgelgoog]

Was that supposed to be in Chinese?

Owain

[bert]

In message , Nick writes

Teaching English 1950-2015 The abbreviated form of mathematics is maths.

[Nick]

Not Chinese but M.E. Hope this try works. 6. Teaching Math In 2050

??????? ???? ??????? ?? ???? 100 ??? . ????? ??????? ?? 80

??????? . ??? ???????? ????? ????

[Nick]

As header but only if you're rightpondian.

[Cursitor Doom]

On Sun, 29 Mar 2015 17:15:14 +0100, Nick wrote: [...]

Ok, does anyone know what 5! comes to? (serious question).

[Bob Minchin]

This is neither mathematics, maths or math! Simply arithmetic.

[Bob Minchin]

yes - 120

Are you aritmetically sub normal - serious question too

[charles]

I don't think that the function ! comes into school maths

[spuorgelgoog]

Middle English?

Usenet doesn't do funny characters ... we're lucky if the £ works; it doe s't always.

Owain

[Cash]

Depends on which side of the Atlanic Ocean the schools are!

Perhaps the dollar sign and part of the subject beading "Nicked from another ng." could possible give you some clues as to the answer.

[Tim Streater]

The ! indicates factorial. You should look it up. And yes, we certainly did it at school, I'm pretty sure for O-level. But then I don't suppose they do the binomial theorem either for O-level.

[The Natural Philosopher]

?? ??? ???? ???? ??? ?????? ?? ??? ?? ????? ?????? ??? ???? ?? ?? ???? ????? ???? ??? ???? ???? ???? ? ?? ???? ????? ( ???? ? ? ? ? ? ? ? ? ? ? ? ) ???????? ??? ???? ? ?? ?????? ?? ????? ??? ?? ???? ?????? ?????? ? ????? ????? ?? ?????? Codepage ?????. ?? ???? ?? ????? ??? ????? ??? ????? ????????? ?? ?????? ??? ????? - ?????? ? ???? ?????? ?? ??? ??? ????? ???? ???? ????? ??? ??? ???? ?? ?? ???? ?? ????? ???? ?? ???? ??? ??? ???? ????? ?????? ?? ?????? ?? ??????? ?? ??? ??? ????? ??? ?? ??? ????? ? ??? ???? ?? ??? ? ???? ????? ????? ???? ? ?? ?????? ? ???? ?????? ??? ?? ??????? ?? ??? ???.

?? ???? ?? ????? ??? ? ??????? ????? ????? ????? ?? ?? ??? ???? ?? ???? TrueType ????? ??? ? ???? ???? ????? ????? ????? ? ????????? ???? ?? ????? ?? ?? ????????? ????? ???. ?? ??? ???? ??? ?? ???????? ? ????? ???? ??????????? ???? ????? ????? ?? ?? ???? ????? ???? ???? ????? ??? ? ????????? ????? ISO 10464 ?? Unicode UCS ?? ????.

MMM...

[Cursitor Doom]

Can't recall ever being labelled as such, tbh. I just wondered if anyone here would recognise the factorial symbol and what it represents, that's all.

[bert]

In message , Cash

[Bob Minchin]

Certainly did when I went to school in mid 60s. I think it first appeared when doing probability for O level.

[Tim Streater]

I did and I told you.

[Bob Eager]

+1 (about the same time)

[Bob Eager]

I did.

[Bob Neumann]

Nicked from another ng. How OPs no longer think