kedah junior mathematics online competition 2021

On the Methods and Thoughts of Mathematics Teaching in Junior High School The following methods and thoughts are very important in junior high school mathematics education and teaching. They can help students better understand and master mathematics knowledge and lay a solid foundation for future study and work: 1. Pay attention to the consolidation and expansion of basic knowledge: Junior high school mathematics is a basic subject that requires students to master basic mathematical concepts and calculation methods. Therefore, in education and teaching, we should pay attention to the consolidation and expansion of basic knowledge. Through a variety of ways, such as explaining examples, practicing exercises, conducting competitions, etc., students should be able to understand the principles of mathematics and be able to apply them flexibly. 2. Cultivate students 'logical thinking ability: Mathematics is a logic-based subject that requires students to cultivate their logical thinking ability through independent thinking and solving problems. In education and teaching, we can stimulate the students 'thinking vitality through brainstorming, group discussion, problem solving and other ways to make them understand and master mathematical knowledge and also have a certain logical thinking ability. 3. Focus on practice and application: Mathematics is a very practical subject. Only by applying theoretical knowledge to practice can you truly master and apply what you have learned. Therefore, in education and teaching, we should pay attention to practice and application. Through conducting experiments, simulation exercises, solving practical problems and other ways, students can apply mathematical knowledge to real life and improve their mathematical application ability and practical ability. 4. Pay attention to the individual differences of students: Every student has their own characteristics and needs. Therefore, in education and teaching, we should pay attention to the individual differences of students and formulate different teaching plans and teaching methods according to the characteristics and needs of students. For example, students with strong learning ability could carry out in-depth explanations and extended exercises, while students with weak learning ability could carry out interaction teaching and fill in gaps. 5. Strengthening teaching feedback and improvement: Teaching feedback and improvement is a very important part of education and teaching. Only through continuous feedback and improvement can we better improve the quality of teaching. Therefore, in education and teaching, we should strengthen teaching feedback and improvement, listen to students 'opinions and suggestions in time, and adjust teaching plans and teaching methods in time according to students' feedback so that students can better understand and master mathematical knowledge.

On November 3rd, the organizing committee of the global mathematics competition announced the list of winners for 2024. A total of 86 contestants won, including five gold medals. Qu Xiaoyu, an 18-year-old boy from Chongqing, won the gold medal again. In 2023, Qu Xiaoyu became the youngest gold medal winner in the history of the competition with a perfect score. He was born in July 2006 and was once a student of Bashu Middle School in Chongqing. He won the gold medal in the 63rd International Mathematical Olympiad in 2022 and was sent to Peking University's Mathematics Department. Qu Xiaoyu started reading Mathematical Analysis when he was in the fifth or sixth grade of elementary school. He was attracted by the content of the book and read it two or three times over the past two years. He didn't think that he was a genius. The more he studied mathematics, the more he felt insignificant. He also liked the piano. He felt that mathematics and piano had something in common and were both wonderful arts. While waiting for the TV series, he could also read the exciting content related to this site!

Here are some interesting math questions related to Journey to the West: ** 1. Compose a formula according to the numbers in the poem ** In Journey to the West, there was a poem that said,"No guests leave the ten-mile pavilion, and the stars are seen in the nine heavens." All the ships on the eight rivers were closed to the harbor, and all the 7,000 prefectures and counties were closed. The six palaces and five houses returned to the official position, and the four seas and three rivers stopped fishing. The bells and drums on the two towers are ringing, and a bright moon is filling the world." Using the numbers 10, 9, 8, 7, 6, 5, 4, 3, 2, and 1 in the poem, add appropriate mathematical symbols without disrupting the order, and form ten formulas, so that the results are equal to 10, 9, 8, 7, 6, 5, 4, 3, 2, and 1. For example: 1. To make the result 10:$(1 + 9)+(2 - 1)+(3 - 2)+(4 - 3)+(5 - 4)+(6 - 5)+(7 - 6)+(8 - 7)+(9 - 8)+(10 - 9)=10$ 2. To make the result 9:$10 - 1+9 - 9+8 - 8+7 - 7+6 - 6+5 - 5+4 - 4+3 - 3+2 - 2+1 - 1 = 9$(There are multiple answers) ** 2. Combining the mathematical problems of the people who learned from the scriptures ** Assuming that Tang Sanzang and his disciples went to beg for alms, they could make ten steamed buns on the first day, eight steamed buns on the second day, and only four steamed buns on the third day because they were in the demon's territory, how many steamed buns could they make on average every day? Calculating process: $(10 + 8+4) div3 = 22 div3 = 7, 7frac {1}{3}$(unit) ** 3. Itinerary related math problems ** Tang Sanzang and his disciples went to the West to obtain scriptures. They set off from Chang 'an to Spirited Mountain. Assuming that the distance between Chang' an and Spirited Mountain was 108000 miles, they had already walked 36000 miles. According to the speed of walking 120 miles a day, how many more days would it take to reach Spirited Mountain? Calculating process: $(108000 - 36000)/120 = 72,000/120 = 600$(days) <a href="/?from=ask_words" style="color:red" target="_blank">Read more exciting novels for free</a>

The collection and arrangement of comprehensive data in junior high school mathematics can be carried out in many ways. In terms of teaching methods, the use of guided inquiry teaching can help improve students 'independent inquiry ability, allowing students to start from the problems around them and use the existing knowledge to solve problems under the guidance of teachers. In this process, it was crucial to pay attention to the teaching process. For example, to let the students comprehend, gain knowledge, and create new ideas during the discussion. While actively acquiring knowledge, they also felt the necessity of cooperation. Teaching methods should be diverse, and creating realistic, interesting, and thought-provoking problem situations was a good choice. After that, they would organize students to explore independently, cooperate and exchange knowledge, and finally expand their application. This form reflected that mathematics knowledge originated from reality and was applied to reality. It emphasized the students 'self-awareness and allowed them to feel and experience in participating in mathematics activities, which was in line with the concept of "people-oriented". In terms of teaching content, it was important to let the students experience the process of data collection and sorting. For example, when counting the data related to people, the students should be guided to sort them according to different standards, such as the identity of the person, the type of activity, gender, etc. At the same time, it was necessary to pay attention to the correct classification and collection of data according to the needs of statistics, and to let students experience the variety of statistics under different standards. In the practice and feedback section, the practice allowed the students to reflect and evaluate their knowledge, skills, thinking methods, and emotional attitudes. For example, by doing exercises on data collection and sorting, such as counting the number of people in after-school activities, weather conditions, etc., students could consolidate what they had learned, and teachers could also use this to understand the situation of students to adjust teaching strategies. <a href="/?from=ask_words" style="color:red" target="_blank">Read more exciting novels for free</a>

The summary and reflection on the improvement of junior high school mathematics teaching can be written from the following aspects: ** I. Analysis of problems in teaching ** 1. ** In terms of classroom teaching mode ** - In terms of content, they might rely too much on teaching materials and lack open content. It would be difficult to stimulate students 'imagination, creativity, and scattered thinking. For example, when teaching a new mathematical concept or theorem, they only explained it according to the steps and examples in the textbook. They didn't guide the students to think about the meaning and extension of the concept from different angles, or explore various methods to prove the theorem. - The interaction between teachers and students was insufficient. Some classes were over-taught, and the balance between teaching and practice was not grasped. For example, when explaining math examples, the teacher had been explaining the steps to solve the problem, not giving the students enough time to think and try to solve the problem on their own. As a result, the students lacked active participation in the classroom and only passively accepted the knowledge. The teaching rhythm did not match the students 'learning rhythm, ignoring the differences in students' foundation and ability. 2. ** Teaching design ** - They lacked consideration for the actual situation of the students, and they did not have sufficient "student preparation" and "study plan". For example, when designing the teaching content, they did not adjust it according to the students 'existing knowledge level, learning ability, and interests, making the teaching content too difficult or too easy for some students. The handling of teaching materials was not flexible enough, and there was no effective choice, combination, expansion, and deepening. As a result, the classroom teaching could not penetrate the basic knowledge points well, and the hot and difficult points of the middle school entrance examination could not be activated in time. - The classroom density was unreasonable and the students 'participation was low. For example, there was too little time for students to study, ask questions, practice, and feel in class. Most of the time was occupied by the teacher's explanation. The students 'participation opportunities and participation were limited, and it was difficult to meet the learning needs of students at different levels. 3. ** Coping with the middle school entrance examination ** - He did not have a deep enough understanding of the examination scope, requirements, form, characteristics and rules of the questions. In the teaching process, they relied too much on review materials, did not select and integrate the materials, and did not actively build a knowledge framework. As a result, they could not effectively build the mathematical knowledge system, guide the methods, and cultivate the ability of the students in the classroom. 4. ** Teaching Evaluation ** - The classroom design lacked an effective teaching evaluation link, and it could not understand the students 'gains in the classroom in time. For example, when designing teaching goals before class, they did not consider how to check whether the students had achieved their goals in the classroom in time. They also did not reflect on the students 'classroom performance and learning effects after class, resulting in the three links of " what to teach students "," what students have learned ", and " what students still want to learn " being disconnected. ** 2. Analysis of Students 'Learning Status ** 1. ** Learning motivation and interest ** - Due to the problems in classroom teaching, students lack interest, confidence, and motivation in mathematics learning. He rarely took the initiative to speak in class and was even unwilling to speak. For example, when explaining difficult mathematical concepts or methods of solving problems, students might feel that mathematics learning is boring because of the boring teaching method of the teacher. 2. ** Knowledge Mastery and Learning Methods ** - Students did not have a solid grasp of classroom knowledge, and their understanding was not comprehensive. They spent a lot of ineffective time outside the classroom. Many students did not pay attention to book knowledge and did not use textbooks as an effective review carrier. They lacked systematic review and were more passive in learning. For example, when reviewing mathematics knowledge, students might just blindly do practice questions and not return to the textbook. They did not review the basic knowledge such as concepts and theories in the textbook, resulting in an incomplete knowledge system. - Some students lacked clear guidance from teachers, and there were no scientific plans and individual arrangements when studying and reviewing. The learning effect was not obvious. For example, during the preparation stage, some students did not know how to make a review plan according to their actual situation. They only followed the teacher's review progress and did not carry out targeted and strengthened review for their weaknesses. ** 3. Modification measures ** 1. ** Raise the awareness of classroom effectiveness ** - Teachers should make it clear that the purpose of teaching is to let students learn knowledge and learn well, not simply to complete the teaching content. For example, in the teaching design of each lesson, it was necessary to specify the specific knowledge and skills that the teaching goal of the lesson was to let the students master, and to ensure that the students could achieve these goals through reasonable teaching methods and means. 2. ** Get timely feedback ** - In the classroom, there were many ways to understand the students 'learning situation, such as asking questions, group discussions, classroom exercises, etc. For example, after explaining an important knowledge point, a simple classroom exercise could be used to test the student's mastery. The teaching progress and method could be adjusted in time according to the student's feedback. At the same time, they had to do a good pre-class review and class summary to help students consolidate what they had learned. 3. ** Increase classroom teaching efficiency ** - The lesson preparation should be meticulous, in-depth study of teaching materials and students 'actual situation, reasonable selection, combination and expansion of teaching content. The exercises and assignments should also be carefully selected to avoid letting students do a lot of meaningless exercises. They should be designed according to the teaching objectives and the actual situation of the students to help the students consolidate their knowledge and improve their ability to solve problems. 4. ** Strengthened multi-level teaching and guidance ** - Students were divided into different levels according to their learning ability and basic level, and different teaching methods and coaching strategies were adopted. For example, for students with strong learning ability, they could provide some extended learning tasks, such as training for math competition questions, etc. For students with weak learning ability, they should strengthen the guidance of basic knowledge to help them find gaps and gradually improve their academic performance. <a href="/?from=ask_words" style="color:red" target="_blank">Read more exciting novels for free</a>

The summary and reflection of the online school mathematics tutor could be carried out from many aspects such as teaching methods, students 'learning situation, teaching results, and so on. ** 1. Teaching methods ** 1. ** The importance of connecting knowledge ** - In high school mathematics teaching, we must pay attention to the connection between old and new knowledge. For example, when explaining the content of the one-variable cubic function, for the problem of solving the maximum value of the function with parameters in high school, he should first review the basic knowledge of solving the maximum value of the one-variable cubic function without parameters in junior high school. Starting from the simple non-parameter-free function solution, they gradually transitioned to complex questions with parameters and interval changes. This would allow students to better understand new knowledge and avoid gaps in knowledge. 2. ** Teaching strategy adjustment ** - For students of different levels, such as the top students of Grade One, the ordinary students of Grade Two, and the students preparing for Grade Three, different teaching strategies needed to be formulated. For the top students of Grade One, they should pay attention to the setting of the curriculum system and the optimization of the teaching content; for the students of Grade Two, they should carry out a special summary of the geometry curriculum to cultivate the students 'geometric thinking ability; for the students of Grade Three, they should adjust the teaching focus according to the requirements of the middle school examination to help the students better cope with the examination. 3. ** New teaching methods ** - Using modern technology to carry out teaching, such as building science and technology classrooms, using the geometric sketchpad, online microclasses, etc. These methods could make abstract mathematical knowledge more intuitive to the students and improve their interest in learning and understanding. - Try different teaching models, such as the application of teaching theories such as class differences, effective classroom error correction, and innovative classroom. The same class with different structures could allow teachers to examine the teaching content from different angles and find the most suitable teaching method for students; effective classroom error correction could correct students 'wrong concepts in time and improve learning efficiency; innovative classrooms could help stimulate students' enthusiasm for learning. ** 2. Students 'learning situation ** 1. ** The solution to the mental disorder ** - High school mathematics focused on logical thinking, and students might encounter thinking obstacles. Teachers needed to analyze the difficulties of students 'thinking in the learning process. For example, when solving high school mathematics thinking obstacles, they had to recognize that different students had different understanding and acceptance of knowledge. Some students had difficulties in the process of changing from junior high school mathematical thinking to senior high school mathematical thinking. Teachers should guide them according to these situations, such as helping students establish a logical thinking system through specific examples and detailed steps to solve problems. 2. ** The learning demands of students at different levels ** - Children of different grades and levels had different demands for tuition. For students with weak foundations, they might need to consolidate their basic knowledge, while for students with better grades, they needed to expand the depth and breadth of their knowledge and improve their problem solving skills and thinking ability. Teachers had to adjust the teaching content and progress according to the actual situation of the students to meet the learning needs of different students. ** 3. Teaching Achievement ** 1. ** Teaching ability improved ** - In the process of teaching, the teacher's own teaching ability was also constantly developing. For example, from the beginning, he was not confident in the teaching of the second grade mathematics class to gradually undertake more teaching tasks, such as teaching three grades and six classes. Through continuous exploration, learning, and practice, there would be a certain growth in teaching content, teaching methods, and so on. - In the process of training new teachers, teachers would constantly reflect on their own teaching methods. When trying to impart teaching experience to new teachers, they would think more deeply about whether their teaching concepts and methods were reasonable, thus promoting their own teaching ability to further improve. 2. ** Impact on students 'grades and abilities ** - Through effective teaching, students should be able to master mathematical knowledge and improve their mathematical thinking ability. For example, after the systematic teaching of the one-variable cubic function, the students should be able to master the minimum and maximum value solution methods of various types of one-variable cubic functions, and they should be able to use the knowledge they have learned to perform logical reasoning and calculations when solving related mathematical problems. At the same time, for the teaching of geometry in the second year of junior high school, the students 'geometric thinking ability should be cultivated and they should be able to solve some geometric problems independently. Online school math tutors should constantly summarize their teaching experience and reflect on their teaching methods and students 'learning situation to improve the quality of teaching and students' learning effects. <a href="/?from=ask_words" style="color:red" target="_blank">Read more exciting novels for free</a>

There were quite a number of popular mathematics teaching videos on TikTok. For example, Brother Yong's Super Mathematics, created by a teacher from Wuhan-based school, gained 1.2 million "learning fans" within a year; Hengzhong teachers 'free live broadcast of mathematics increased their fans by 280,000 and increased their students' scores from 50 to 95 points; There was also a Suzhou math teacher with the online name "Wendong Libra". He had more than four million likes. In addition to sharing his daily teaching, he would also share his problem solving skills and other content. In addition, there were also Teacher Li who provided mathematics thinking classes for grades 1 to 6, as well as free live broadcasts of teaching methods for the new semester like "Teacher Quan Quan". These teachers posted mathematics teaching videos on the TikTok platform, attracting many fans to pay attention to their studies. <a href="/?from=ask_words" style="color:red" target="_blank">Read more exciting novels for free</a>

The following is an example of an analysis and reflection report on the fourth-year math competition paper: ** 1. Overall Analysis of the Test Paper ** 1. ** Question Type and Knowledge Points Covered ** - The quick calculation test papers usually covered all aspects of the four arithmetic operations. In addition, it might involve the use of the commutative law and the association law of addition. For example, when adding multiple numbers, it was easy to calculate by adjusting the order or combination of the addenda. For example, the commutative law of addition mentioned in material 1. If the student could master the law of a + b=b + a, they could quickly swap the positions of the addenda in the calculation to facilitate oral calculations. - Subtraction operations might examine the nature of the deduction, such as the continuous deduction of two numbers is equal to the deduction of the sum of these two numbers. - In the multiplication operation, the proficiency of the multiplication formula was the foundation. At the same time, it might involve the application of the combination law and the distribution law of multiplication. For example, when calculating 25×4×8, you can use the law of multiplication to first calculate 25×4 = 100, then multiply it by 8 to get 800. - Division operations, as shown in data 2, would examine the operational properties of division, such as the application of the product of dividing a number by two consecutive numbers. 2. ** Difficulty Level ** - There might be a certain degree of difficulty in the test papers. The simple questions were mainly a direct test of basic operations, such as one-digit numbers, one-digit numbers, and two-digit numbers. The purpose was to test the students 'basic computing ability and familiarity with the four operational symbols. - The medium-difficulty questions might involve the application of simple arithmetic laws, such as adding parenthesis to the mixed operation to change the order of the operation to achieve the purpose of simple calculation. - Difficult questions might combine multiple knowledge points. For example, in a question, one needed to use the multiplication distribution law and the four arithmetic operations of decimals. This required students to be able to accurately identify the question type and flexibly apply the knowledge they had learned. 3. ** Calculation load and time allocation ** - Speed calculation competitions usually involved a large amount of calculations to test the speed and accuracy of the students. This required students to allocate their energy reasonably within a limited time. For simple questions, he had to calculate quickly and accurately to save time for more complicated questions. However, while pursuing speed, accuracy could not be ignored, because every calculation error would lead to a loss of points. ** II. Analysis of the students 'answers ** 1. ** Accuracy Analysis ** - Judging from the overall accuracy, if most students made fewer mistakes on simple questions, it meant that the students had a good grasp of basic operations. However, if the error rate was high on questions involving operational laws, it might indicate that the student's understanding and application of operational laws were not proficient enough. For example, in the application of the multiplication distribution law a×(b + c)=a×b + a×c, students might forget to multiply or make a calculation error. - For questions about the nature of division, if there were more mistakes, it might be because the student's understanding of this nature was not deep enough, such as forgetting to multiply the divisions when dividing by two numbers in a row or the order of calculation was wrong. 2. ** Speed Analysis ** - By observing the time the students took to complete the test papers, one could roughly understand the students 'calculation speed. If most of the students could complete the test within the stipulated time, it meant that the overall calculation speed was up to standard. However, if more students failed to complete it, it might be because they spent too much time on some complicated questions. This reflected that the students did not have enough ability to deal with complicated calculations, or they did not reach a sufficient level of proficiency in simple questions, resulting in a waste of time. ** III. Reflection and Teaching Suggestion ** 1. ** Reflection on Teaching Methods ** - In the teaching process, the teaching of basic calculations should focus on strengthening practice. Through a large number of oral and written calculations, students 'calculation ability should be improved. For example, he could arrange for a certain amount of time to practice mental arithmetic every day, including the four operations of whole numbers, decimals, and scores. - In the teaching of operational laws, the combination of concept understanding and practical application should be strengthened. He couldn't just let the students memorize the formulas of the operational law, but he had to guide the students to understand the essence of the operational law through examples. For example, when explaining the commutative law of addition, students could understand the principle of exchanging the position of the addend and the invariable principle through the actual exchange of items or the problem of travel in life. - For knowledge points that were difficult to understand, such as the nature of division operations, a variety of teaching methods should be used, such as graphic demonstration, example analysis, etc., to help students understand intuitively. 2. ** Students reflect on their learning habits ** - Some students might be careless and did not carefully examine the questions during the calculation process, resulting in calculation errors. This required emphasizing the importance of reviewing questions in teaching and cultivating students 'habit of studying seriously and carefully. For example, students were required to read the questions twice before doing them and circle the key information. - There were also some students who lacked the habit of checking their calculations. Teachers should guide students to learn how to check the results of the calculation, such as by reversing or re-calculating to verify the accuracy of the answer. 3. ** Follow-up teaching plan adjustment ** - In the subsequent teaching, he could add some targeted special exercises, such as special exercises for operational laws, special exercises for mixed operations, etc. At the same time, he could organize some quick calculation competitions to increase the students 'interest and speed in calculation. - For students with weak computational ability, they could be given individual tutoring to find out the specific problems in the calculation process, such as unfamiliarity with the multiplication formula, inaccurate alignment of decimals, etc., and carry out targeted intensive training. Through the analysis and reflection of the fourth-grade mathematics competition papers, we can find the problems in the calculation ability, the application of the operation law, and the study habits of the students. Then we can adjust the teaching methods and plans to improve the students 'mathematical calculation level. <a href="/?from=ask_words" style="color:red" target="_blank">Read more exciting novels for free</a>

As a fan of online novels, I don't have any updates on novel competitions or original online novel competitions. However, they could use search engines or related novel websites to inquire about the latest novel competitions and original online novel competitions.

Online novel competitions were a common phenomenon. Many online novelists would participate in various competitions to showcase their writing skills and the quality of their works. These competitions were usually organized by novel websites or literary organizations, such as the "Fantasy Online Writing Competition" and the "Science Fictions Online Writing Competition". The authors who participated in the competition could receive various rewards such as trophies, bonuses, and exposure. At the same time, the competition would also help promote online novels and attract more readers.