Author: ceciliazhang

Chinese elementary school cancels math class for first and second graders [Copy link] 中文

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Post time 2018-12-3 16:59:48 |Display all floors
GhostBuster Post time: 2018-12-2 21:47
The most harmful aspect is that of Olympiad Mathematics. Elementary students would by all means pay  ...

Lion:

The following came from an online authoritative source:

Mathematics in China emerged independently by the 11th century BC.

The Chinese independently developed very large and negative numbers, decimals, a place value decimal system, a binary system, algebra, geometry, and trigonometry.

In the Han Dynasty, the Chinese made substantial progress on root extraction and linear algebra. The major texts from the period,The Nine Chapters on the Mathematical Art and the Writings on Reckoning gave detailed processes to solving mathematical problems in daily life.

All procedures were computed using a counting board in both texts, and they included negative numbers as well as fractions. The texts provide procedures similar to that Gaussian elimination and Horner's method for linear algebra and solving quadratic equations, respectively.

While Greek mathematics declined in the west during the medieval times, the achievement of Chinese algebra reached its zenith in the 13th century, when Zhu Shijie invented the method of four unknowns.

As a result of obvious linguistic and geographic barriers, as well as content, Chinese mathematics and the mathematics of the ancient Mediterranean world are presumed to have developed more or less independently up to the time when

The Nine Chapters on the Mathematical Art reached its final form, while the Writings on Reckoning and Huainanzi are roughly contemporary with classical Greek mathematics.

Some exchange of ideas across Asia through known cultural exchanges from at least Roman times is likely. Frequently, elements of the mathematics of early societies correspond to rudimentary results found later in branches of modern mathematics such as geometry or number theory.

The Pythagorean theorem for example, has been attested to the time of the Duke of Zhou. Knowledge of Pascal's triangle has also been shown to have existed in China centuries before Pascal, such as the Song dynasty Chinese polymath Shen Kuo.

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wchao37 Post time: 2018-12-3 16:59
Lion:

The following came from an online authoritative source:

Shen Kuo mentioned above was the same polymath who wrote "Tian Gong Kai Wu," an authoritative compendium of technology in China.

This book was so advanced that it represented the highest level of technology in the world at the time of its publication and many centuries thereafter.  The Manchus forbade its publication in order to keep the Han population subdued under alien rule.

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Why do they do that ?
Round Up is good for developing the mind

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Post time 6 DayEarlier |Display all floors
Motika Post time: 2018-12-5 22:10
Why do they do that ?

You mean the Manchus?

That's because they were a minority ruling over the majority Hans and so they tried to keep the latter ignorant of their past glories.

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Post time 5 DayEarlier |Display all floors
JimSlip Post time: 2018-12-2 16:03
in ancient times of China, people could  stay away from maths learning for the whole life in their e ...

Perhaps, you were completely mistaken!
Look at the civil engineering structures that still stand today!
Without mathematics, they would be long gone!
Further, the Chinese Lunar Calendar is one excellent great example that with it Chinese civilization could survive till today!
It has a long history! To make it short, ever wonder the leap month of that year? It simply repeats itself. No one could tell the Sun and the Moon to do so. THAT IS REALLY MATHEMATICS! NOT MAGIC!

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    " When I was young, we learned a lot of stuff in school that are little used

     in everyday real world."


    "I like to see things such as communication and interpersonal skills

      taught in schools."



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GhostBuster Post time: 2018-12-7 23:17
Perhaps, you were completely mistaken!
Look at the civil engineering structures that still stand t ...

Ghostbuster:

Of course she's mistaken.  

I simply didn't want to bother retorting what she said because I tried to give her face in order not to hurt her feelings.   

The fact is I got tired of answering this lady (with a man's avatar, how weird?) who was SO VERY PROUD of herself that she was laughing endlessly at Ms. Zhang -- the top Chinese interpreter -- for an error in translation that the latter had made during an official meeting.

So I looked at her own writings and had to give her a barely-passing grade of 'D' -- not bad for someone in her category.

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