Math Weekly article 1 Saturday, two guests came to our home-my sister and aunt, math in life. Mom and dad are too busy entertaining them to buy snacks for my sister and me. So, I volunteered to say, "Mom and Dad, let me try to buy it, ok?" My parents nodded with a smile and gave me 50 yuan to write Mathematics in Life in the fourth grade of primary school.
There are so many things in the supermarket that I am dazzled. First, I pushed the cart and quickly ran to my sister's favorite potato chip area, and took two packs of tomato-flavored "Happy" potato chips, one for 2.5 yuan and two for 5 yuan. Then, I went to the bakery again, and a smell came to my nose. It tastes great! I don't even know what kind of bread to start with. I picked up a loaf of bread, smelled it and put it back. I picked up another loaf of bread and smelled it. It's sweet this time. In terms of price, 10 yuan was too expensive, so I put it back. Finally, I took a 50-cent loaf of bread from 7 yuan in the bakery.
Then, I pushed the cart to the yogurt area and saw two kinds of yogurt, the price was 14 yuan 50 cents, but one was 250 ml and the other was 230 ml. I just wanted to take 230 ml, but it suddenly occurred to me that if the price is the same, I have to choose more. So, I took 250 ml of yogurt. Look at the production date, it is August 20xx 1, but it was yesterday. I put it in the cart.
I calculated that 5+7.5+ 14.5=27 yuan, not more than 50 yuan, so I went to the cashier to pay the money and took my things home.
Mathematics plays a very important role in life!
Math Weekly 2 This week, we learned about circumference. On Wednesday, the teacher asked us to bring scissors, white paper, wool, ruler and leaves. In math class, the teacher asked us to take out a piece of paper, put the leaves on the paper and trace the perimeter of the leaves. At this time, I took out the wool and put it around the leaves. Then, I opened the wool and measured the length of the wool with a ruler, so that the circumference of the leaves could be measured. From this math class, I learned how to measure the circumference of irregular objects.
Mathematics Weekly 3 this week is the second interesting mathematics competition week held by our school. This kind of competition tests our accumulation of extracurricular mathematics knowledge. If you only master the knowledge in class, you can only say goodbye to the champion!
This competition is divided into preliminary and final. The preliminary contest is shallow, but all the questions must be framed. Just this Monday, we had a preliminary round. Ding! The bell is ringing, and the exam is coming soon. I sat in my seat in fear and trembling. "What should I do? I'm not ready! If I knew, I would do more Olympic math problems, "I thought anxiously. "Teacher Shi came into the classroom with a stack of papers in his hand. I'm so nervous that there are basically few questions I can do on the test paper. "Can't, throwing caution to the wind! I thought to myself. I began to use the most primitive method, and every possibility was calculated, and one was always correct. Although this method has high accuracy, it also wastes a lot of time. But fortunately, I was fast and finished the test paper with the bell.
Friday morning, the finalists came out. There are ten people in the class, and I am one of them. In the afternoon, we came to the lecture hall. In order to prevent cheating, students are separated by 108 thousand miles. I passed out as soon as the test paper was handed out. It's too difficult. I calmed myself down and began to do the problem calmly. On the way, I met one obstacle after another, but I finally eliminated it. How time flies! Before I know it, it's time When I take a closer look, I still have two problems to do. My heart was crossed and my eyes closed, and I filled in two answers at random. I can't be a living doctor.
After handing in the paper, I also understood a truth-knowledge can never be learned.
Chapter 4 of Mathematics Weekly There is mathematics everywhere in our life, and everything can't be separated from mathematics. I became interested in mathematics as soon as I went to school.
Now that I am in the third grade, the teacher has given us a new tutoring scheme. In addition, the tutorial program combines the essence of mathematics textbooks. I think the tutoring program is very helpful to my study. No matter how busy I am, I have to take time to write them. Once, when I was making a tutorial plan, I saw a problem: a rectangular garden, 25 meters long and 15 meters wide. Please take this. I thought to myself: this is too simple, so I will check it for my mother after I finish writing it, and my mother will say it after reading it; "It was careless of you to write such a simple question wrong." So I looked at the question carefully again, and there was another wall. I counted the walls, ah! It turns out that mathematics is so flexible and changeable that you will make mistakes if you are not careful.
Through this incident, I know that mathematics is ubiquitous and the most wonderful. I must take math seriously in the future.
Chapter 5 of Mathematics Weekly Once, I went to explore a volcano and had a good time, but when I was about to leave, the rope fell into the magma. I thought: this time is over, I can't get out anymore.
Suddenly, a monster pushed me behind, and I fell, but I didn't fall. A red light flew towards me and said, "As long as you can answer my question, I will send you out."
"Quick questions."
"Suppose you and I 100 years old. Five years ago, I was four times your age. How old are you and me this year? "
"100-5x2 = 90 (years old), I: 90 ÷ (4+ 1) = 18 (years old), you: 100- 18 = 82.
I just finished, lying in bed, only to find that it was a dream.
On Sunday, when I was at my grandma's house, I saw grandpa writing something seriously in the notebook, so I ran to see it. Grandpa told me, "this is grandpa's account book of water, electricity and natural gas, which is recorded every two months."
I flipped through grandpa's ledger, turned to a page of natural gas and saw several figures, August, 3623, 3585, 38 cubic meters, 60. 8 yuan, only after asking Grandpa: 3623 is the reading on the natural gas meter in August, 3585 is the reading on the meter in June, and 3623-3585 = 38 cubic meters. Even if the natural gas used in June and July is included, the gas per cubic meter is 1. 6 yuan, 38 * 1. 6=60。 8 yuan, so I know how much natural gas is in June and July.
Grandpa is also in charge of water and electricity. Grandpa uses the most basic subtraction and multiplication in mathematics to keep accounts, and mathematics can be seen everywhere in life.
When the bell rang, a young female teacher in yellow came into the classroom angrily, as if eating people. The students were frightened and talked about the teacher behind his back.
As soon as the new official took office, the first fire began to burn. Look, the teacher is sitting making rules for us! I don't know, I don't know, I'll listen to the next jump. Is this the rule? This is obviously half an article: 1. It is forbidden to go to school by bike. 2. Homework should be finished on time every day ... Students say it's ok, but it's even bigger when they hear it: Why are there so many rules and regulations? Once on Friday, the teacher gave us a lot of homework: the homework was done on six sides and on four sides at the same time. We sighed one by one, but the teacher forbade us to protest and said, "If we protest again, we will arrange more." Hey, hey, this will push us back. Be good and don't talk.
However, our teacher also has a gentle side. We tried the entrance exam several times once, which made us dizzy and couldn't attend class at all. Seeing us like this, the math teacher simply took out half a class and let us play games. After half a class, we all had a good time, and then we had math class, alas! It's amazing, what formula? I remember it all! We admire our teachers in the semi-annual report.
This is my math teacher, a fierce and lovely teacher.
Mathematics Week Notes 8 i. Purpose of practice
1. Practical purpose
As a qualified people's teacher, you must have both ability and political integrity, rich subject knowledge and solid professional foundation, and have the ability to comprehensively apply and develop these knowledge; We should not only have superb teaching skills, but also have noble moral sentiments and excellent quality cultivation.
Therefore, I think the purpose of educational practice is to enable our normal students to comprehensively apply the theory of educational science, professional knowledge and basic skills they have learned to teaching practice activities, so as to cultivate our ability to engage in middle school education and teaching, consolidate our professional thinking and sense of honor and responsibility in education, and lay the foundation for becoming a qualified teacher as soon as possible in the future.
2. Practical significance
Educational practice is a professional practical course that embodies the characteristics of normal education, an important part of the teaching plan of normal colleges and an important pillar of the whole normal education structure system. At the same time, educational practice can deepen and consolidate the theoretical knowledge learned by universities, stimulate our interest in scientific research in the field of educational science, and also collect information and conduct experiments for writing course papers or graduation papers.
3. Development of internship units
Overseas Chinese Middle School in Shantou, Guangdong Province is a national model ordinary high school, a municipal key middle school and a provincial first-class school, a national modern educational technology experimental school, a new curriculum reform experimental demonstration school in Guangdong Province, a school-based training demonstration school in Guangdong Province and a school-running demonstration school in Guangdong Province. The school has an excellent geographical location and leading facilities. Shantou Bridge is located in the golden section of Jinsha Road in the urban area. The banyan trees are green, the grass is lush, the awn trees are fragrant and the environment is beautiful. The science building, indoor gymnasium, swimming pool, multi-functional academic hall, standard lawn football field, 400-meter circular plastic track and field, and multimedia teaching platform in all classrooms are first-class in urban schools. The school has excellent teachers and strong strength. Have a pioneering and hard-working leading group; Have a dedicated, United and cooperative group of teachers; Taking "ambition, strictness, practicality and beauty" as the school motto, students have a fine tradition of "patriotism, respect for teachers, diligence and discipline"; There is a rich and colorful campus science and technology, culture and sports life. The school has been awarded the honorary titles of "advanced collective", "civilized school", "advanced unit of scientific and technological activities" and "advanced unit of comprehensive management of legal education in Shantou" by the Provincial Department of Education.
My internship grade is Grade One. Grade one 16, two of which are key classes. Among them, my internship class is Grade One 1 class, and my mathematics education internship class is Grade One 1 class and Grade Two class, both of which are key classes in Grade One.
4. Internship requirements
(1) requires us to apply the professional knowledge, educational theory and basic skills we have learned to educational practice, and cultivate our initial ability to organize and manage education and teaching;
(2) We are required to master more systematic mathematical knowledge, mathematical thinking modes and methods, and learn mathematical thinking;
(3) We are required to separate, generalize and express accurately and vividly the thinking method of solving mathematical problems;
④ We are required to be willing to teach others mathematical knowledge and know how to teach others mathematical thinking.
Second, the internship content
From September 20xx 10 to October 27th, 20xx/KLOC-0, I conducted a seven-week educational practice in Shantou Huaqiao Middle School. The main contents of this internship are class management and classroom teaching.
1 class management
Class management is the first job I took over during my internship. The first day I came to Huaqiao Middle School happened to be Teacher's Day, which was a meaningful day. And this day happened to be the class meeting of Grade One, so I introduced myself briefly at the class meeting of Grade One 1 under the guidance of my former class teacher.
Class 1 1 is one of the two key classes in senior high school. There are 62 students in the class, including 24 boys and 38 girls. From the first time I walked into the classroom of Grade One 1 class, I felt that the class was very lively and active, and in the following relationship, I did confirm this view.
During the internship, under the guidance of the former class teacher, Mr. Ma, I completed this part of the work of the class teacher and made a detailed record of class management, so that I could fully understand the core of class management during the internship. First of all, my daily class management is mainly to supervise the morning reading and afternoon writing of Grade One 1 class, as well as the discipline of eye exercises and broadcast exercises. Although this class is very active and sometimes noisy, as long as the teacher or I are present, they will be quiet and relatively good. In this more than a month, I tried my best to do the daily work of the head teacher and manage the class discipline on time. Senior one 1 class won the third prize of the whole school radio exercise competition before my internship ended.
Then, when I first arrived in Grade One 1 class, I found that students lacked consciousness in their studies and often defaulted on their homework. From the unit tests of several subjects, it can be seen that there is a certain gap between the two key classes, and the students in Grade One and Grade Two are obviously slightly better in mathematics and physics than Grade One 1 class. In view of these situations, I not only reflected to the teachers in charge of the department and the former class teacher, but also privately discussed the students' study habits with the monitor and the study committee, and made a plan on how to carry out morning reading. For some students who don't study hard, I will also talk to them privately, hoping that they will correct their learning attitude. Mr. Ma, the former class teacher, is an excellent class teacher with rich experience in class management. Under his guidance, I learned a lot of skills in managing class groups.
Then, under the leadership of Mr. Ma, the former head teacher, I made a home visit to two students in Class 1 1 Senior High School. The two students in this home visit chose to rent a house outside the school because their homes are far from the school. Teacher Ma and I went to the place where the two students lived and told them to pay attention to the safety of their doors and food. I also hope they can study hard. I also shared my high school life with them. Although they live in a simple place, I can see their strength, and I believe they will overcome difficulties and achieve final success.
Finally, during this internship, I organized two class meetings.
The first class meeting was held on Monday of the second week of internship. Because the students are freshmen, they are not familiar with each other, and they don't have much sense of belonging and honor to the class, so I designed a class meeting with the theme of "new group, new classmates". * * * There are three links, the first two are games, and the test is everyone's cooperation and coordination. The last link is to watch a video and tell your feelings. The video is yannan. After the class meeting, the students reported that they had benefited a lot. In the next few days, I also saw my classmates getting familiar with each other. Teacher Ma, the head teacher, also praised the success of my class meeting. These praises make me more confident in the next class management.
The second class meeting was on Monday in the last week of my internship. I didn't play games with my classmates in this class meeting, but as a senior sister, I shared my experience in high school life and study with my classmates. I briefly introduce the differences after Grade Two, and emphasize the importance of mathematical English to liberal arts students. I hope they can adapt to high school life as soon as possible and start fighting for their future. After a class, it seems that time flies so fast that the students are listening with relish. Many people have expressed their inspiration, and I feel very happy to see that I can bring them a positive impact.
2. Classroom teaching
The classroom teaching tasks of this internship are mainly listening, preparing lessons, giving lectures, guiding after class and correcting homework in math classes of Class 1 1 and Class 2.
In terms of class, during this internship, * * * listened to nearly 40 hours of math classes, most of which were taught by former math teacher Guo. Miss Guo is an old teacher in the school and the head of the mathematics teaching and research group. He is humorous in class, and he can always make the math class that students think boring lively and interesting. At the same time, he can grasp the key and difficult points and make appropriate explorations, which has benefited me a lot. At the same time, when the tutor has no class, I also actively listen to the math classes of other teachers in the school, take notes carefully, and think about the differences in teaching methods of different teachers. When I have questions in class, I will also ask the teacher after class. In fact, teachers have their own characteristics in class, some have strong affinity, the classroom atmosphere is active, and some lectures are wonderful. Students enjoy it. I also saw a teacher's sense of responsibility and teaching enthusiasm from these teachers. What I want to learn from my teacher is enough to benefit me for life.
In preparing lessons, I have prepared five new lessons and five exercises. Since I entered the internship school, I have discussed the subject I want to take with my former math teacher, Miss Guo. Teacher Guo asked me to choose two topics first. I chose the monotonicity of 1.3. 1 function, the first category of maximum (minimum) value and the first category of 2. 1.2 exponential function and its properties. These two classes are arranged in the second week and the third week of internship respectively. In the first week of internship, I made the teaching plan and the corresponding PPT and handed it to Mr. Guo. Teacher Guo gave me patient guidance on the shortcomings in my teaching plan and gave me valuable opinions and suggestions. Thanks to Mr. Guo's help, my lecture went smoothly. In the next exercise, I also prepared the first lesson of "2.2.2 Logarithmic Function and Its Properties" and the first and second lessons of "3. 1.2 Function Model with Different Growth" and several review lessons. I write lesson plans carefully every time in these classes, and Mr. Guo also gives me serious guidance. Teacher Guo also made me realize that preparing lessons is not only about preparing textbooks, but also preparing students, methods and classroom organization. The teacher's guidance has made great progress and inspiration in preparing lessons.
In terms of lectures, I took about 20 classes in this internship, including 10 new classes and 10 exercises or review classes. Every time I revise the complete lesson plan, I will try to say it myself, and I can control the class time while training my oral fluency. Every time I give a lecture, Mr. Guo will come to class, give me valuable advice and encourage me to continue my efforts after class. And I have gradually mastered the rhythm of class and the teaching methods suitable for these two classes in class practice again and again. At present, the students of Grade One in senior high school are still stuck in the spoon-feeding teaching method in junior high school, which can't adapt to the pioneering teaching mode of senior high school mathematics. So I integrated the two teaching methods, gave more concrete examples for students to understand easily, and appropriately increased the difficulty of some examples or homework problems, so as to train them to have a better understanding of the development of knowledge. During the internship, I really realized the significance of learning from each other and gained a deeper understanding of classroom teaching.
I also learned a lot in extracurricular tutoring and correcting homework this time. Because there is no self-study class in senior three, students mainly come to me for after-school tutoring. From the questions some students asked me, it can be seen that students are not used to the pioneering nature of high school mathematics learning. They often think that mathematical problems should be limited to defining concepts, but they don't know how to extend from concept definition to analyzing concepts. I think this should also be the disadvantage of many students. To solve this phenomenon, students must be made clear that high school mathematics is different from junior high school mathematics, and high school mathematics needs students' learning consciousness and divergent thinking. When correcting homework, I think it is the best place to see the students' learning situation. Sometimes you think students understand in class and really nod and answer yes, but in fact they sometimes make mistakes when doing their homework. This should be a common problem for many students, and homework just shows us the truest side of students' learning. Every time I change my homework, I will write notes next to their wrong questions. If there are mistakes in knowledge, I will ask them to rewrite them. And every time I finish correcting my homework, I will make a statistic, which question is the most wrong, why I wrote it wrong, and so on, and report it to my former math teacher. Sometimes teachers will re-emphasize this knowledge point in class, and sometimes I will write time to give them comments in the morning.
Third, the internship summary
Practice is a process that we normal students must go through. It can not only show us the current situation of students, but also allow us to link the theory learned in college with practice. This month's internship really brought me a lot of feelings and experiences.
First of all, the process of internship made me understand a truth: learning the sea is endless. You don't have to be a college student to solve the math problems in senior three. As the saying goes, "If you want to give students a bowl of water, you have to have a bucket of water". I believe I can do it. I learned all the knowledge of senior one in senior three, and it was a piece of cake to solve their exercises. However, once I met a problem I solved and looked at the eyes of my classmates expecting my answer. I suddenly realized that there is no end to learning in this world. I have to enrich myself before I can help students solve problems. So, like my classmates, I bought a math exercise book and made it myself. While picking up a lot of forgotten knowledge points in the past, we can also sum up ideas and experiences in the process of doing the questions for the next teaching and sharing with the students.
Then, on the other hand, I deeply realize that to be an excellent teacher, we should not only be knowledgeable, but also pay attention to language, expression, psychological state, action mode and other aspects.
For example, a good class not only requires us to learn from others, but also requires students to mention some knowledge that is not involved in books. At this time, you should not only know these knowledge points by yourself, but more importantly, you should be able to express them in easy-to-understand language that students can easily understand. In this internship, after listening to the previous math teacher's class, we can see that the teacher is not only knowledgeable, but also humorous, and students can easily understand and accept new knowledge while forming their own style. On the other hand, although I didn't speak fluently in the first class, the rest of the classes were good, but the teaching process was too formal and the students' reaction was a little dull. Some students also mentioned in their weekly notes to the class teacher that they didn't like my class very much, which once made me very upset and depressed. Although my tutor often tells me that no teacher can make all students like it, just as no one can satisfy everyone. However, I still hope to reduce students' dissatisfaction with me as much as possible. Later, my former teacher taught me not to always think about being above others in class. Now the classroom is not only teacher-centered, but student-centered. Try to interact with them in class and communicate with them after class, so the atmosphere will be much more relaxed. I tried to follow teacher Guo's instructions, and the effect was really good. Students also spoke enthusiastically in class, and everyone learned new knowledge through interaction.
In terms of teaching etiquette, I can be a teacher in dress and speech, but sometimes some small moves or habits will destroy your etiquette as a teacher. During my internship, one of my bad habits stood out. I like to touch the bangs on my forehead when I'm free. This has become a small habit that I didn't pay attention to. I didn't realize it if it wasn't put forward by my former math teacher. When giving lectures, it is inevitable that your fingers will be stained with chalk foam. At this time, if you do your hair, you will also get white chalk dust. At the same time, I also have a bad habit, that is, I often hold my tripod in front of me when giving lectures. My former math teacher, Mr. Guo, told me that although these little moves will not affect your class progress or even your lectures, you should have a teaching attitude as a teacher. These little moves will destroy your teaching attitude and make some teachers think that you are not professional enough. So in this internship, I tried to get rid of my little habits and become a prospective teacher with full marks in teaching.
Then in class management, I always thought that students who manage a class are afraid of you as long as they are serious enough. But this internship, I learned a lot from my former class teacher, Mr. Ma, and realized that to manage a group of people well, we must first conquer the hearts of students. For example, we should pay more attention to quiet and introverted students in the class, find opportunities to talk to them, or arrange them to be class cadres or be responsible for some affairs in the class, and so on. I realize that to be a good class teacher, we must understand, love and trust students, and strive to create a democratic and harmonious teaching atmosphere and establish an equal relationship between teachers and students in teaching activities. Moreover, the class teacher should regard himself as a member of the activity, the organizer, participant and initiator of the student activity, and at the same time establish proper dignity among the students. In order to do a good job as a class teacher, I first remember the names of each student in the class. The beginning of communication between people always begins with greeting and calling names. I think a class teacher who can remember the faces and names of the whole class in the shortest time is not necessarily an excellent class teacher, but a class teacher who is attentive to the students. Then I began to pay attention to students' personalities and adopted different communication methods according to their personalities. Some students are introverted, so you need to start by caring about their hearts. Some students are outgoing and cheerful, so you can start by joking with him. Some students who have their own ideas can start with topics they care about or are interested in, and so on. Although I have established friendship with them, I will never forget my teacher status. I will take seriously the discipline problems in lectures and class management. This dual identity makes me feel that it is not easy to be a good class teacher, but the harder it is, the more it tests a person's ability. I believe I will try my best to do it well.
Finally, in this internship, I found that although there are some things we can't choose, there are some things we can choose. Of course, you should do your job carefully, but brave "volunteering" can win you more opportunities. As long as you ask questions, study hard and do hard, you will get unexpected results. Looking back on this month or so, although it may not be successful, we must be careful.
During the whole internship, I realized that "it is superficial to talk on paper, so you should know to practice". Theory always needs to be combined with practice to get the truth. At the same time, I also realized how hard it takes to be an excellent teacher, because I saw my own shortcomings and shortcomings under the guidance of my former teacher. The harvest of this internship can not be separated from the help of the instructor and the original teacher, and also from this group of lively and cheerful students. I feel that I have paid far more than the internship. Internship is not only a precious memory in my life, but also the starting point of another life. Although the internship is over, I find that I have fallen in love with such a glorious career as a teacher. I will also bring the knowledge and spirit I have learned in my internship to the future, apply it to my future work, and strive to become an excellent people's teacher.
Mathematics Weekly 9 learned this week that the propulsion rate of the area unit is 100, and it also knows that 100 square centimeter = 1 square decimeter, 1 square decimeter = 1 square centimeter,1square decimeter =/kloc- 1 km2 = 100 hectare, 8 km2 =800 cm2, 3 km2 = 30000 m2, 400 km2 =4 m2. 1 100 km2 = 1 1 hectare. I also know that the area of a classroom is about 50 square meters, and there are 200 such classrooms, with an area of about 1 hectare. The area of a football field is about 7000 square meters, and the area of 140 football fields is about 1 square kilometer. Do you know these? I don't know, just read my diary.
Mathematics Weekly Articles 10 x Month xx Day Friday Sunny
I went to the restaurant to buy a box lunch at noon today, and specially asked for several pairs of disposable chopsticks to prepare for the experiment.
When I got home, I was really excited at the thought of doing the experiment, but I was a little scared. I don't want the first plan to be eliminated as soon as it comes out. In order to verify the correctness of the experimental scheme, I specially measured the length (20 cm), thickness (0.35 cm) and width (1 x cm and 0.8 cm respectively) at both ends of chopsticks. Because disposable chopsticks are similar to trapezoid, I use the formula to calculate the volume of trapezoid to calculate the volume of chopsticks. According to the calculation results, the volume of disposable chopsticks is about 8. 4 cubic centimeters. If the results measured in the experiment are similar to those calculated by me, it means that my experiment has been successful, otherwise, I have to find another way. I'm about to start the experiment, but the experimental equipment is not enough, so I can only wait until tomorrow.