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The following is a review of the two-step calculation of multiplication and addition and multiplication, as well as an example of reflection: ##1. Lecture Review ###(1) Teaching objectives 1. [Clarity] - In the two-step calculation teaching of multiplication and addition and substitution, the teaching goal should be clear and definite. For example, the goal was to let students master the order of multiplication and addition and substitution, and to be able to correctly calculate two-step questions. This goal was in line with the requirements of the curriculum standards and was specific. The teacher clearly conveyed this goal to the students in the classroom, so that the students knew the direction of learning from the beginning. 2. ** Rationally ** - It was more reasonable to set goals from the three dimensions of knowledge and skills, process and methods, and emotional attitudes and values. In addition to the knowledge and skill goal of mastering calculation methods, it also focused on cultivating students 'logical thinking ability (process and method), as well as their interest in mathematics learning and their attitude towards serious calculation (emotional attitude and values). For example, when solving practical problems, they could guide students to think about the rationality of the order of operations, cultivate logical thinking, and at the same time, increase students 'interest in mathematics through active classroom interaction. ###(2) Teaching content 1. ** Accuracy ** - The teacher explained the concepts of the two-step calculation of multiplication, addition, and substitution, and the order of operations accurately. For example, when he explained the basic operation sequence of multiplication and division, then addition and substitution, he used examples to accurately explain why such a sequence should be followed. For example,"Xiao Ming bought three notebooks, each of which cost 5 yuan, and he also bought a pen that cost 2 yuan. How much did it cost? The calculation was 3×5 + 2. The multiplication was done first because the total price of the notebook and the price of the pen had to be calculated. This was to let the students understand the mathematical meaning behind the order of operations. 2. ** Completeness ** - The teaching content was complete, from simple two-step calculations of multiplication and addition and substitution without parenthesis to more complicated practical application problems. For example, from the simple calculation of "2×3+4" to the solution of "There are five classes in the school, each class has four basketballs, and three new basketballs have been bought. How many basketballs are there in total?" Such practical questions allowed the students to fully grasp the relevant knowledge. ###(3) Teaching Method 1. ** Diverse ** - The teacher used a variety of teaching methods. In the introduction stage, the teaching method was used, such as creating a shopping scene to introduce two-step calculation problems of multiplication and addition and substitution to stimulate students 'interest in learning. When explaining the sequence of operations, he used the teaching method to explain the rules clearly. In the practice session, the group competition method was used to divide the students into groups for calculation competition to improve the students 'participation and calculation speed. 2. ** Validity ** - These teaching methods were effective. The situation teaching method made the students feel the connection between mathematics and life, and increased their enthusiasm for learning. The teaching method allowed the students to accurately grasp the key points of knowledge such as the order of operations. The group competition method strengthened the students 'sense of competition and teamwork, and at the same time, they mastered the calculation skills in the competition. ###(4) Teaching process 1. ** Introduction Stage ** - The introduction was natural and smooth. Using real-life examples, such as supermarket shopping and accounting, could quickly attract the students 'attention and make them realize the application of mathematics in daily life. It could also smoothly lead to the two-step calculation of multiplication and addition and substitution. 2. ** New teaching segment ** - In the new teaching session, the teacher taught step by step. First, he would review the basic operations of multiplication and addition and substitution to pave the way for mixed operations. Then, he explained the sequence of operations through examples, gradually guiding the students to master it from simple to complex. For example, starting from a simple formula like "2×3+1", then moving to a more complicated formula like "3 + 4×2 - 1", each step would give the students enough time to think and let the students understand the order of multiplication, division, and addition. 3. ** Practice session ** - The practice segment was designed reasonably. The practice questions were graded from basic calculation exercises to practical problem solving exercises. Basic exercises such as "4×2+3" help students consolidate the order of operations; practical exercises such as "Xiao Ming has four boxes of pens, three in each box, and five for his classmates. How many are left?" It allowed the students to learn how to use the knowledge they had learned to solve math problems in their lives. In addition, during the practice process, the teacher could patrol and guide the students in time, discover the mistakes of the students, and correct them in time. 4. ** Wrap-up segment ** - The summary was comprehensive. The teacher guided the students to review the order, calculation method, and application of the two-step calculation of multiplication and addition and substitution in this lesson. At the same time, it summarized the students 'performance in class and encouraged them to actively participate in classroom learning to improve their confidence in learning mathematics. ###(5) Teaching Effect 1. ** Knowledge Mastery ** - Judging from the students 'reactions and practice results, most of the students had a good grasp of the two-step calculation of multiplication and addition and substitution. In class practice, most students could correctly calculate two-step questions, and when solving practical problems, they could correctly analyze the meaning of the questions and use the appropriate order of operations to calculate. 2. ** Ability Cultivation ** - In terms of ability training, the students 'logical thinking ability and ability to solve practical problems had been trained to a certain extent. Through the understanding of the order of operations and the solution of practical problems, students learned to think methodically, analyze the relationship between numbers, and improve their mathematical thinking ability. 3. ** Emotional attitude ** - In terms of emotional attitude, the students showed high enthusiasm for learning in class. Especially in the group competition, the students actively participated, reflecting their interest in mathematics learning. At the same time, teachers paid attention to encouraging and affirming students in the teaching process, which enhanced the students 'confidence in learning mathematics. ##2. Reflection ###(I) Success 1. ** Teaching goal achieved ** - The overall teaching goal was basically achieved. The students had mastered the knowledge and skills of multiplication and addition and substitution. In the process, they had developed a certain thinking ability and a positive learning attitude. This benefited from the reasonable arrangement of teaching content, the effective use of teaching methods, and the careful design of the teaching process. 2. ** Using life examples ** - The use of a large number of real-life examples in teaching was a success. This made the abstract mathematical knowledge more intuitive and easy to understand. It made the students feel the close connection between mathematics and life, and increased their interest in learning and their ability to apply mathematical knowledge to solve practical problems. ###(2) Deficiency 1. ** Some students don't pay enough attention ** - In the teaching process, although most students could keep up with the teaching progress, they did not pay enough attention to the students with learning difficulties. During the practice session, some students did not receive enough in-depth guidance after making mistakes, resulting in them not understanding certain knowledge points thoroughly. 2. ** Not enough expansion and improvement ** - For students who had the ability to learn, the expansion and improvement of the teaching content were not enough. In the process of practice and explanation, they mainly focused on basic and medium-difficulty questions. They lacked some more challenging expansion questions, which did not fully meet the learning needs of these students. ###(3) Enhancement measures 1. ** Pay attention to individual differences ** - In the future, more attention should be paid to the learning situation of individual students. They could provide targeted tutoring to students with learning difficulties during class practice, or provide them with additional learning resources and tutoring after class to ensure that every student could master what they had learned. 2. ** Stratified Teaching ** - He would design layered teaching content for students who had the ability to learn. In the practice session, questions of different difficulty levels were set, such as basic questions, improvement questions, and expansion questions, so that students of different levels could fully develop within their own abilities. At the same time, during the lecture, students who had the ability to learn could be guided to think more deeply and explore, such as discussing the rationality of the order of operations and other possible calculation methods. <a href="/?from=ask_words" style="color:red" target="_blank">Read more exciting novels for free</a>

The legendary novels mentioned in the reference materials contained a variety of characters, such as the protagonist (such as the invincible hero), the villain (such as the evil demon king), the supporting role (such as the wise teacher), the heroine (such as the beautiful fairy), etc., but there was no character named "legendary." So, I'm sorry. Based on the information I've retrieved, I don't know how to answer. <a href="/?from=ask_words" style="color:red" target="_blank">Read more exciting novels for free</a>

Civil servants could apply for the engineering cost major. When applying for the civil service examination, one must first pay attention to the annual civil service examination recruitment information and download the position list to check. If there was a position that met the requirements of the engineering cost profession, they could apply for the corresponding position. If there were no positions specifically for the engineering cost profession, they could also apply for the "unlimited" professional positions, but the competition for these positions would be relatively more intense. <a href="/?from=ask_words" style="color:red" target="_blank">Read more exciting novels for free</a>

As a special consumer group, college students had the following characteristics: ** 1. Problems ** 1. ** Weak concept of saving ** - Many college students were unfamiliar with the concept of financial intelligence. After the end of the semester, most of the students spent more than they planned and even needed to borrow money to go home. Some of them wanted to spend the rest of the money, but only a few had the consciousness of saving. 2. ** The consumption gap is very wide ** 3. ** The consumption structure is unreasonable (girls are more prominent)** - College students mainly spent on living expenses and school supplies, and food expenses accounted for a large portion of their living expenses. Some girls controlled their diet expenses to maintain their figure or save money. They did not have enough knowledge about healthy diet and chose more cheap food. 4. ** Pursuing fashion brands and having a strong competitive mentality ** - In order to have popular mobile phones, branded sports shoes, cosmetics, or clothes, some students would scrimp and save, sacrifice necessary expenses, or even borrow or steal money. They did not know how to live within their means, and were driven by vanity to form a competitive mentality. 5. ** Overspending on love ** - College students who were in love would spend a certain amount of money every month, ranging from 50 yuan to 1000 yuan. There were many forms of love expenses, such as men and women sharing the burden, and women taking the initiative to bear all the expenses. Some students found it difficult to rationally grasp the principle of moderate consumption. ** 2. Cause Analysis ** 1. ** Impact on the social environment ** - When college students were exposed to society in all aspects and were attacked by hedonism, money worship, extravagance and waste, if they lacked correct guidance, they would easily form a psychological convergence tendency. When the family could meet the high consumption conditions, this kind of thinking was reflected in the consumption behavior. For students whose family finances did not allow them to spend too much, they might do bad things to satisfy their desire to spend. 2. ** Family Impact ** - Parents 'consumption principles were the objects that their children imitated. Some parents had wrong consumption concepts and could not guide their children correctly. 3. ** Impact of school education ** - The school education environment has an important influence on the cultivation of students 'consumption concept. When college students have deviation in consumption concept and behavior, the lack of correct guidance will aggravate the problem. <a href="/?from=ask_words" style="color:red" target="_blank">Read more exciting novels for free</a>

The main character of " The Reborn Female General Star " was He Yan, and there was no character named " Elder Shen." The novel revolved around He Yan's revenge after her rebirth, the rise of a powerful woman, and other plots. It included her experiences in her previous life, as well as the story between her and Xiao Jue after her rebirth to regain everything she had lost. " The Reborn Daughter General Star " is the original novel of the TV series " The Moon Is Like Song." Everyone can click on the link below to read the original novel. The original novel is equally exciting.

In the reference materials, it was mentioned that Ren Min's reputation had been questioned. When Ren Min debuted, she was known as the " Little Princess of Light " because of her performance in " The River of Sorrow." However, with the release of some works, her reputation began to decline. The audience questioned her acting skills and even called her a " cheat." Some netizens compared her early excellent works with her recent performance, reflecting her shortcomings in grasping the role, causing her to lose the favor of some viewers. In addition, in the ancient puppet drama market in 2024, big dramas such as " Yan Xin Ji " and " Du Hua Nian " were also facing problems in terms of reputation. Had he not watched enough of Long Lovesickness 2? Hurry up and read the original work of " Everlasting Lovesickness 2: A Vow of Love "!

The following are some novels from the Chongzhen period of the Ming Dynasty: 1. "Chongzhen Biography." 2. [Chongzhen Chat Group: The protagonist transmigrated to become the late Ming emperor and turned the tide when the country was facing internal and external troubles.] 3. "Chongzhen Eight Years": Travel through the body of Emperor Chongzhen and explore how to change the Ming Dynasty under the circumstances at that time. 4. The main character transmigrated to become the last crown prince of the Ming Dynasty. At this time, it was only two years away from the fall of the country. 5. " I am the King of a Subjugated Nation ": Although the main character was not Chongzhen, it involved the story of the Ming Dynasty. In the 14th year of Zhengtong, the main character was kidnapped in Zhuqi Town and was ordered to supervise the country. There were also novels set in the late Ming Dynasty, such as The First Vicious Man of Nanming, which were also related to the historical background of the Chongzhen period. However, there wasn't an authoritative ranking list for Chongzhen novels. <a href="/?from=ask_words" style="color:red" target="_blank">Read more exciting novels for free</a>

How many books are there in the box? <a href="/?from=ask_words" style="color:red" target="_blank">Read more exciting novels for free</a>

The side effects of the medicine for scar growth were as follows: - Steroids: Usually, it is administered by injecting it into the skin. Currently, no information has been found about the use of oral administration of this type of medicine for the treatment of scar proliferations. Most of them are side effects after injection, such as interfering with the hormone level in the human body, affecting the human immunity, and the speed of wound healing. It may cause acne and dark color on the local skin. Long-term use may cause local telomidiasis. For women, if the dosage is too large, it may cause hormonal imbalance, menstrual cycle change, and menstrual disorder. Moreover, it could cause the human body to become fat and cause bone thinning. - Hormonal suspension such as Prednisone Acetic Acid: No information related to oral administration was found. There was no clear mention of oral side effects when local injection was used. However, long-term use of hormone drugs may have the risk of adverse reactions related to hormones, such as affecting incretion. In addition, some external drugs may have adverse reactions. For example, some external drugs used to treat scars may cause local skin adverse reactions, such as redness, itching, tingling, feeling cold, etc. However, these reactions were usually temporary and would gradually disappear after stopping the medication. <a href="/?from=ask_words" style="color:red" target="_blank">Read more exciting novels for free</a>

The following are some novels involving ancient martial arts: - << The Immortal Venerable of Ancient Martial Arts >>: After the protagonist Jiang Yao was framed in the cultivation world, she used the inheritance of the strongest ancient martial arts to cultivate again and became an Immortal Venerable. - " Ancient Martial Arts Restoration ": In a modern cultivation novel, the protagonist recovers ancient martial arts through his own willpower and mind. - " Remembrance of Blood ": After the male protagonist Zheng Yi was reborn, he began his journey of martial arts with his memories. He struggled to find the truth in the ordinary world and practiced peerless martial arts to become a generation of chivalrous men. - [Ancient Martial Berserk Soldier: The male protagonist possesses the ultimate ancient martial arts and beats up the powerful and evil.] <a href="/?from=ask_words" style="color:red" target="_blank">Read more exciting novels for free</a>