Chapter 35 Has the host ever scolded the system?
Gu Yuhe's face turned red. He couldn't believe that his second sister gave candy to everyone except him!
Am I really that bad?
However, Gu Jiayue didn't seem to notice his mood at this moment. Instead, she began to arrange the next steps. "Gu Yuhe, take your second brother and Goudan to clean the yard and the main hall. Zhigeng will feed the chickens, Huachao will clean the kitchen, and Bailu and I will do the laundry. Let's finish the housework first, then we can start the class. Do you understand?"
Everyone responded in unison. "I heard it clearly!"
"Okay, let's get started!"
For a moment, the Gu family yard was bustling with activity. Gu Yuhe handed the dustpan to his second brother and asked him to follow Goudan. After Goudan had swept the garbage into a pile, his second brother used the dustpan to collect the garbage.
He took a rag, filled it with water and wiped the furniture in the main room.
The three of them had a clear division of labor and worked together in an orderly manner, and they finished cleaning quickly. Gu Jiayue checked it over and although it wasn't perfectly clean, it was passable, so she asked them to go read first.
Among these housework, the most arduous one is washing clothes.
The clothes of the farmers are all old clothes with patches on top of patches. They cannot be rubbed hard when washing, otherwise they will be easily damaged. But if you don't rub them hard, the stains will be difficult to wash off.
But Gu Jiayue is no longer the same as before. She has learned how to wash these clothes.
She and Gu Bailu worked together, and soon all the clothes in the house were washed.
Everyone worked together and quickly finished all the housework.
"Okay, let's continue learning the rest of the content today."
Hua Chao did not participate this time, after all, she had learned this knowledge before. So she went to the kitchen to prepare lunch.
Gu Jiayue now has four students. After arranging seats for everyone, she took out bamboo slips and first taught them the last ten sentences of "Three Character Classic" and then taught them eight simple Chinese characters.
Everyone was studying very seriously. Even Gu Yuchuan didn't make trouble, and obediently practiced writing on the sand table with a bamboo pen.
A quarter of an hour later.
"Okay, you guys take a break for now."
After receiving the order, Gu Yuhe's body softened instantly, and his entire soul seemed to be sucked away by something. He lay motionless on the table and fell into a deep sleep after a while.
Goudan took a look, used his small body to block Gu Yuhe, then picked up a pen and began to write down the new words he had learned today.
Gu Jiayue pretended not to notice. The child was still young, so there was no need to be too harsh. Furthermore, every child had different abilities to comprehend; not everyone was as bookish and studious as Goudan. Therefore, teaching students in accordance with their aptitude was the right path to success.
After a short rest, the group reviewed their writing. It was already noon, the sun blazing fiercely, the heat unbearable. It was not a good time for work, much less for reciting poetry. So, Gu Jiayue sent the children home to rest and return around 4 p.m.
In the afternoon, Gu Jiayue stopped teaching the "Three Character Classic" and started teaching mathematics.
Daxia has a long history, and our ancestors never only valued literature but neglected numbers.
The ancient philosophers of our country were extremely intelligent and their research on mathematics actually started earlier than Western civilization.
Among them, the Nine Chapters on the Mathematical Art is renowned and considered a classic. Divided into chapters on square fields, millet, decline and division, small and large, commercial merit, equal distribution, surplus and deficiency, equations, and the Pythagorean theorem, it encompasses a wide range of mathematical problems commonly encountered at the time, encompassing fields such as commerce, engineering, medicine, and farming. It also includes challenging problems such as solving systems of linear equations, finding the greatest common divisor, and calculating pi. Formatted as a collection of problems, each problem features a question, an answer, a calculation, and a technique. These techniques can be applied to one problem, multiple problems, or even multiple techniques. This made it the most concise and effective applied mathematics text of its time.
Following the Nine Chapters on the Mathematical Art, the Ten Mathematical Classics are also of extraordinary significance. They include the Zhoubi Mathematical Classic, the Nine Chapters on the Mathematical Art, the Haidao Mathematical Classic, the Zhangqiujian Mathematical Classic, the Xiahouyang Mathematical Classic, the Wucao Mathematical Classic, the Sunzi Mathematical Classic, the Wujing Mathematical Art, the Jigu Mathematical Classic, and the Zhuishu Mathematical Classic. These ten mathematical works cover a wide range of topics, including arithmetic, algebra, geometry, and other areas. They include fundamental mathematical knowledge such as addition, subtraction, multiplication, and division, fractions, decimals, proportions, and percentages, as well as simple word problems and graphs.
"Si Yuan Yu Jian" written by Zhu Shijie in the Yuan Dynasty mainly discusses modern mathematical contents such as equations, determinants, matrices, and probabilities. It also details the use of abacus. It is hailed as the pinnacle of ancient Chinese mathematics and has a profound impact on the development of mathematics in later generations.
The earliest in-depth study of mathematics was undoubtedly Qin Jiushao's "Nine Chapters on Mathematics" in the Southern Song Dynasty. This extensive work, covering arithmetic, algebra, geometry, and other mathematical fields, has significantly contributed to the development of modern mathematics and is considered a classic work of ancient Chinese mathematics.
So every time Gu Jiayue read a novel, she would find it funny when she saw the protagonist solve a very basic math problem using only modern methods, and everyone would praise him, ask in surprise what method he used, and even regard his solution as a golden rule.
These are just leftovers from our ancestors' playtime, so what's so surprising about them?
Gu Jiayue collected her thoughts and took out the teaching aids she had prepared in advance.
Her lesson plans are created by combining modern mathematics with the Ten Mathematical Books.
Today she plans to teach everyone Arabic numerals.
Arabic numerals were introduced to China via India along with Buddhism in the 8th century, during the heyday of the Tang Dynasty. However, they were not widely adopted at the time. They were introduced to China again along with Islam in the 13th and 14th centuries, during the late Ming and early Qing dynasties. Unfortunately, they were still not widely adopted, remaining in limited use.
It wasn't until the second half of the 19th century, with the growing spread of Western learning and the Westernization Movement, which vigorously promoted Western scientific knowledge, that the Chinese people gradually gained a deeper understanding of Arabic numerals and their ease of use. Introductory mathematics books, such as "Western Mathematical Enlightenment" published in 1885, began to teach and use Arabic numerals.
So when Gu Jiayue first traveled through time, she was not too surprised to see Arabic numerals in a travel journal hidden by her original body.
After all, although it is not widely used, it is still known and used within a certain range. So she gave it to the children without worrying about being found to be wrong.
Arabic numerals are concise and easy to remember, making them relatively easy to learn. Gu Jiayue also draws on modern pictographic education methods, linking numbers with shapes in her teaching.
Holding the teaching aid, she asked everyone, "Look carefully, what does this '1' look like?"
As soon as this question came out, Gu Yuhe stood up and answered: "It looks like a stick!"
Goudan then raised his hand and said, "It looks like a carrying pole to me!"
Gu Zhigeng was upset because everything she was thinking was said by others first.
At this time, Gu Bailu said: "Like an embroidery needle!"
Gu Zhigeng couldn't help but pound the table, secretly hating herself for not thinking that she could be so slow even though she embroidered every day!
Seeing this, Gu Jiayue encouraged him gently, "Don't worry, let's calm down and think about it carefully. We can also look around to see if there are any similar things."
Gu Zhigeng quickly glanced around the yard, her gaze finally landing on the doorway. She stood up and exclaimed, "It looks like bamboo!"
"Right! You are all very smart kids." Gu Jiayue praised.
When everyone heard this, they all grinned and their faces were full of joy.
Gu Jiayue continued chanting, "1,1,1, the vanguard of numbers, shaped like a brush that can write, and like a shoulder pole that can carry water."
…
An afternoon passed quickly, and Gu Jiayue had finished teaching the Arabic numerals from 1 to 10, and also taught the children addition and subtraction within 10.
Everyone was doing quite well, but Gu Jiayue was most surprised by Gu Yuhe. "I didn't expect Yuhe to be so gifted in math!"
Gu Yuhe raised his head, looking very proud: "Of course! I am a genius!"
Children do not yet understand what humility is, and they are delighted when praised.
"You all performed very well today. This is today's homework. Go home and finish it, and hand it in to me tomorrow." Gu Jiayue assigned a few counting and addition and subtraction problems for the children to complete when they get home.
"Master, can I finish here before going back?" Goudan asked.
Gu Jiayue was slightly taken aback, then immediately understood. The difficulty of studying was not only due to the high tuition fees, but also the considerable expense of consumables such as pens, inkstones, and paper.
Goudan's family is poor, so I guess they don't have these things.
"Of course." After comforting Goudan, Gu Jiayue couldn't help but think.
Now there are only four students, she can still provide paper and books, but if the number of students increases in the future, what will she do? She can't provide them all by herself, which is obviously unrealistic.
"It would be great if we could make paper ourselves, but we also need the printing technique..." Gu Jiayue took out her planning notebook and wrote down these two points.
[Teachings are like gentle spring rain, and a teacher's kindness is as deep and boundless as the ocean. The host has diligently spread knowledge today, so I'm rewarded with 50 points of education value. I hope the host will continue to work hard!]
Gu Jiayue didn't expect the system to suddenly give her education points.
She paused her writing and, pleasantly surprised, asked the system, "Is this education value only available today, or every day?"
System: [It will be available as long as the host attends class.]
If she could earn 50 education points just by attending a single day's class, wouldn't that make her a fortune? Not only would she not have to die, but she'd also have extra education points to buy things in the system mall?
"Xiao Du, I will never scold you again."
System: [Have you ever scolded me?]
Gu Jiayue chuckled and pretended nothing had happened.
She's a teacher, so of course she's never cursed before. How can cursing someone in her heart count as cursing? Right?
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