royal mathematics competition

On the morning of November 13,2021, the 13th National College Mathematics Competition was successfully held at the Huajin Campus of the school. A total of 291 candidates participated in the competition, including 157 mathematics majors and 134 non-mathematics majors. There were six examination halls. And in the 13th National College Mathematics Competition in 2021, a total of 218639 students from 968 universities across the country signed up for the competition. After the selection of the national preliminaries, the list of finalists in the finals of the Anhui Division included 17 people from the University of Science and Technology of China, 2 people from the Hefei University of Technology, 1 person from the Anqing Normal University, and 1 person from the Anqing University of Technology. <a href="/?from=ask_words" style="color:red" target="_blank">Read more exciting novels for free</a>

The answers to the third-year exam of the 10th Cross-Strait Youth (Mathematics) Cultural Exchange Activity in 2021 are as follows: [Answer for the first test: The answers for questions 1 to 16 are 9, 26, 5, 4, 10, 7, 11, 2, 30, 10, 16, B, 6, 12, 20, 24, 14, 10, 4, 48, 14, 10, 51, 6, 321.] Answer for the second test: 1、(45000 - 2000 + 7000)/(4 + 1)= 10000 (square meters), total construction area of Century Pavilion 1000 + 2000 = 12000 (square meters), total construction area of Renaissance Pavilion 45000 - 12000 = 33000 (square meters), 2,500/10 = 50 (sections), parasol tree: (50 + 1) ×2 = 102 (trees), white Magnolia trees: 50×2 = 100 (trees), a total of 102 + 100 = 202 (trees). <a href="/?from=ask_words" style="color:red" target="_blank">Read more exciting novels for free</a>

The following is information about the Tianjin National College Mathematics Competition: - The 16th National Mathematical Olympiad in Tianjin: - The participants were all full-time university students. - Competition time: The preliminary round is tentatively scheduled for November 9th, 2024 (Saturday). - Registration time: September 30, 2024, 9:00 - 17:30. However, there were different registration schedules before. For example, the notice issued on June 14, 2024 mentioned that the registration deadline was August 31, 2024. - [Registration method: Follow the [University Mathematics Competition] on Weixin Official Accounts] - There was no limit to the number of students, but one had to pay attention to the registration fee requirements and the professional classification. Non-mathematics majors were divided into non-mathematics A (science and engineering) and non-mathematics B (economic management and literature). <a href="/?from=ask_words" style="color:red" target="_blank">Read more exciting novels for free</a>

1. Calculation: 1. 8 + 2 = 2. 4 + 5 = 3. 7 - 3 = 4. 7 + 2 = 5. 4 + 3 = 6. 9 - 7 = 7. 3 + 5 = 8. 2 + 2 = 9. 9 - 5 = 10. 9 - 6 = 11. 10 - 7 = 12. 10 - 7 = 13. 6 - 5 = 14. 8 - 6 = 15. 6 - 4 = 16. 2 + 3 = 17. 2 + 5 = 18. 7 - 0 = 19. 0 + 5 = 20. 7 - 7 = 2. Draw a picture. 1. There were as many zeros as there were zeros. (Give a number of zeros and draw the corresponding number of zeros as required) 2. There are two more pictures than the number of pictures. (Give a number of zeros first, then draw the corresponding number of stars according to the requirements) 3. Draw according to the pattern. (Give some of the diagrams as follows: → →) 3. Fill in "","" or "=". 1. 9 ○ 8 2. 3 ○ 7 3. 2 ○ 6 4. 2 ○ 2 5. 3 + 3 ○ 3 - 3 6. 8 - 8 ○ 6 - 6 7. 5 + 5 ○ 2 - 2 Fourth, fill in the appropriate number in (). 1. 9 + （ ） = 10 2. 5 = （ ） + 2 3.（ ） +（ ） = 8 4.（ ） + 6 = 9 5. 7 = 9 -（ ） 6.（ ） -（ ） = 6 5. Fill in the blanks with the appropriate numbers (Give me a table of numbers and fill in the blanks as required). Sixth, fill in the appropriate numbers in order (according to the specific requirements of the question, fill in the numbers in order). Seven, Single Choice Questions 1. In the teaching of quantity, children generally learn () A: Natural measurement B: Unit of measurement C: Standard measurement reference 2. The age at which a child can understand the relationship between size and length is usually () A: 3 - 4 years old B: 4 - 4.5 years old C: 5 - 6 years old D: 7 years old 3. One of the ways to provide children with suitable materials, teaching aids, and environments to explore and obtain mathematical perceptual experience and logical knowledge was to (). A: Operation Method B: Exploration Method C: Discovering Method D: Independent Learning Method 4. Children could generally achieve the conservation of basic numbers at the age of (). 8. Answer the questions according to the situation (for example, answer the questions according to the order of the questions in the middle class math activity, the candy store's prize guessing game). <a href="/?from=ask_words" style="color:red" target="_blank">Read more exciting novels for free</a>

There were many ways to design the primary school mathematics competition. For example, individual and team competitions could be set up. The individual competition would have a compulsory answer segment, and the team competition would have a compulsory answer segment. Each school's representative team could have a certain number of opportunities (such as two) to ask for help outside the field. The competition covered in-class knowledge such as calculations, graphics, and geometry. At the same time, it set up puzzle questions such as 24-point and Sudoku. He could also set up a computational ability test segment, including mental arithmetic, vertical calculation, off-line calculation, solving equations, etc. He could also set up a thinking question segment to test the students 'thinking ability. In addition, the Teacher Quality Competition could be composed of segment teaching, blackboard design, chalk writing, talent performance, and other parts. <a href="/?from=ask_words" style="color:red" target="_blank">Read more exciting novels for free</a>

#Title: " Elementary Mathematics Lower Grade Speed Calculation Competition: A Wonderful Duel of Wisdom and Speed " In the vast world of primary school mathematics education, the speed calculation competition was like a bright star, shining with a unique light. Speed calculation, as the cornerstone of mathematics learning, showed its importance in the lower grades. It was not only a direct test of the students 'computational ability, but also a comprehensive challenge to their mental agility and concentration. Look, in the Yanghe Experimental School's speed calculation competition, the first-year contestants embarked on this journey full of challenges and opportunities. The tense atmosphere of the preliminary round permeated the air. They needed to solve 50 questions in just three minutes. This was undoubtedly a contest of speed and accuracy. Every number was a small challenge, and every calculation was a step towards victory. After a fierce competition, the elite contestants of each class stood out and represented their class in the finals in the afternoon. In the finals, the young contestants were all fully focused. They sat upright and held their pens accurately. Their serious appearance seemed to be conducting an incomparably sacred academic research. They wrote neatly and quickly, showing their solid basic skills and strong psychological quality. The oral arithmetic competition of Yucai Primary School in Liquan County was equally brilliant. The competition was a written test with a time limit of 15 minutes to complete 50 questions. Before the match, Vice-Principal Wang Juan's encouragement was like a spring breeze, injecting full motivation into the students. At the start of the game, the young players were full of fighting spirit. Some of them were frowning and thinking seriously, some were writing confidently, and some were counting their fingers, looking very cute. After the competition, the students who won the titles of " Little Expert in Mental Arithmetic " and " Divine Mathematical Arithmetic " had proud smiles on their faces. This was the reward for their hard work. There was also the Dugang Elementary School's speed calculation competition. Before the competition, the mathematics teaching and research team carefully set the questions. On the basis of considering the calculation level of the first to second grade students, they cleverly designed the questions. It was not only an examination of basic knowledge, but also a challenge to the sensitivity of thinking. On the field, the students buried their heads in their pens and began a fierce speed competition. This competition was like a feast of knowledge and wisdom. Every student was a participant and an explorer. These speed calculation competitions were not just simple competitions, but also an all-round improvement of the students 'mathematical attainment. Through the competition, the children's heart, brain, and hand coordination skills were trained, and their mental and pen arithmetic skills were also significantly improved. At the same time, these competitions also greatly stimulated students 'interest in mathematics, allowing them to swim in the ocean of mathematics and feel the charm of mathematics. The teachers could also understand the overall level of the students through the competition and then adjust their teaching strategies to better develop the students 'mathematical ability. The speed calculation competition was like a magical key that opened the door to the mathematics wisdom of the lower grade students and led them further and further on the road of mathematics. <a href="/?from=ask_words" style="color:red" target="_blank">Read more exciting novels for free</a>

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!

The following is the general method of writing an analysis of an elementary school mathematics competition question: ** I. Overall Situation ** 1. ** Difficulty Assessment ** - Analyzing the overall difficulty level of the questions. For example, the target group of the competition (such as primary school students, senior students, etc.) could be used to determine whether the questions were in line with their knowledge and thinking ability. If it was a competition for senior students, the questions might include the application of more complex mathematical concepts and a multi-step solution process. - Considering the distribution of the difficulty of the questions, whether the overall difficulty was difficult, easy, or moderate. For example, most of the questions in a set of questions were simple transformations of basic operations. Only a few questions involved advanced thinking skills, such as logical reasoning and complex mathematical model construction. Then, the difficulty distribution could be considered uneven and the overall difficulty was low. 2. ** Knowledge Points Covered ** - He sorted out the mathematical knowledge points covered by the questions. Elementary mathematics included numbers and algebra (such as the operation of numbers, decimals, and scores, equations, etc.), graphics and geometry (such as the calculation of the area and perimeter of a triangle and a quadrilateral, the understanding of three-dimensional graphics, etc.), statistics and probability (such as data collection, sorting, and simple probability calculations), etc. For example, 50% of the questions in a set of competition questions involved numbers and algebra, 30% involved graphics and geometry, and 20% involved statistics and probability. ** 2. Question Type Analysis ** 1. ** Multiple choice question ** - For multiple-choice questions, analyze the purpose of each choice. The correct choice should be based on accurate mathematical principles, while the wrong choice was usually the typical type of mistake that students were prone to make. For example, in a multiple-choice question about decimal multiplication, the correct choice was the result calculated according to the algorithm of decimal multiplication, while the wrong choice might be the result of forgetting the movement rule of the decimal point or the wrong order of operation. - The assessment of multiple-choice questions was based on the knowledge points. Some multiple-choice questions might directly test the memory of the concept, such as "Which of the following figures is a quadrilateral (give a few graphic options)", which was an intuitive test of the concept; while others determined the correct choice through calculation or logical reasoning, such as "The result of dividing a number by 0.5 is greater than this number (A. large;B. small;C. equal;D. uncertain)", which required the student to have a deep understanding of the nature of division operations. 2. ** Fill-in-the-blanks question ** - Analyzing the characteristics of the answers to the fill-in-the-blank questions. The answer to the fill-in-the-blank question was usually unique. It tested the student's precise mastery of a specific knowledge point. For example, in a fill-in-the-blank question about the sum of the internal angles of a triangle, the student was required to fill in the degree of a certain internal angle of a triangle. This required the student to accurately use the knowledge of the sum of the internal angles of the triangle being 180° to calculate. - Consider the difficulty level of the fill-in-the-blank questions. Some fill-in-the-blank questions might only require a simple one-step calculation, such as "2 + 3=( )", while others might involve complex calculations or a deep understanding of the concept, such as "The radius of the bottom of a cylinder is 3 cm, the height is 5 cm, and its side area is () square centimeters (Pi is 3.14)". This not only required the student to remember the calculation formula for the side area of the cylinder, but also to perform the numerical calculation correctly. 3. ** Answer Questions ** - For questions, analyze the variety of solutions. Some questions might have multiple solutions, such as the competition questions related to the area of the ladder mentioned earlier. It analyzed the mathematical ideas and methods involved in different solutions, such as equal-area transformation, proportional relationship, graph division, etc. - It was to test the comprehensive ability of the students. Students often needed to apply multiple knowledge points to solve questions and be able to clearly express the process of solving them. For example, for a question about chickens and rabbits in the same cage, the student needed to first determine the method of the hypothesis (assuming that it was all chickens or all rabbits), and then calculate the number of chickens and rabbits based on the difference in the number of legs. This process involved simple algebra and logical reasoning. ** 3. Remarks and suggestions ** 1. ** Student performance prediction ** - According to the difficulty of the questions and the characteristics of the questions, predict the students 'possible performance on various knowledge points and questions. For example, for difficult logical reasoning questions, only a few students with strong mathematical thinking ability could correctly answer them. For basic calculation questions, most students should be able to score, but they might lose points because of carelessness. 2. ** Teaching suggestions ** - Based on the analysis of the test questions, suggestions were made for primary school mathematics teaching. If you find that a certain knowledge point in the test questions is more important and students may make mistakes easily, such as the mixed calculation of scores, then you can strengthen the practice and explanation in this area in the teaching. At the same time, for questions that tested the students 'comprehensive ability, it was suggested to carry out more comprehensive mathematics activities or project-based learning in the teaching to improve the students' comprehensive application ability. <a href="/?from=ask_words" style="color:red" target="_blank">Read more exciting novels for free</a>

The following are some ideas and examples that are suitable for the first grade mathematics question setting competition: ** 1. Computational Propositions ** 1. ** Basic addition and multiplication ** - Proposition example: Xiao Ming has three candies, and his mother gave him two more. How many candies does Xiao Ming have now? - Proposition idea: Through simple life scenes, test the students 'understanding of addition within 10. 2. ** Increase and decrease ** - Proposition example: There are five birds on the tree. Three flew over first, and then two flew away. How many birds are there on the tree now? - Proposition idea: Combining dynamic scenes, students are required to perform addition operations first, and then subtract operations to test their initial mastery of the concept of continuous addition and deduction. ** 2. Comparisons ** 1. ** Comparing the quantity ** - Proposition example: Given two sets of graphs, the first set has four triangles, and the second set has six circles. Which set has more graphs? - Problem-setting idea: intuitively let the students compare the number of two different sets of shapes, and test their understanding of the concept of quantity and the ability to compare sizes. 2. ** Comparisons of length and height (combined with images)** - Proposition example: Draw two line segments, one 5cm long and the other 3cm long. Which line segment is longer? Or draw two children, one tall and one short, and ask who is taller? - Proposition idea: Start with intuitive graphs to test students 'understanding of length, height, and other comparison concepts. ** 3. Understand the proposition of diagrams ** 1. ** Pattern recognition ** - Proposition example: Give some common shapes (such as square, triangle, circle, rectangular) and mix them together. Ask the students to circle all the triangle shapes. - Proposition idea: Test the students 'ability to recognize basic patterns. 2. ** Diagram Combination and Disintegration ** - Proposition example: What shape can be formed by two triangulations? (The answer is either a rectangular or a quadrilateral.) - Proposition idea: A preliminary test of the student's spatial imagination of graphic combinations. ** IV. Propositions about the composition of numbers ** 1. ** Digital Understanding ** - Proposition example: 12 is made up of () tens and () ones. - Proposition train of thought: Investigate the students 'preliminary understanding of the concept of numbers, namely the meaning of ten digits and one digit. 2. ** Number breakdown ** - Proposition example: 7 can be divided into () and ()(The answer is not unique, such as 3 and 4, etc.) - Proposition train of thought: Understand the students 'mastery of the concept of decomposition of a number. <a href="/?from=ask_words" style="color:red" target="_blank">Read more exciting novels for free</a>

The following are some of the main points for writing a review of the primary school mathematics competition: ** 1. Teaching objectives ** 1. ** Clarity of goals ** - Check if the teaching objectives are clear, specific, and in line with the curriculum standards and the students 'reality. For example, was it purely focused on imparting knowledge and skills, such as letting students master a certain mathematical calculation method, or was it also a goal that took into account the process and methods, emotional attitudes, and values? For example, while teaching mathematics knowledge, they should focus on cultivating students 'logical thinking ability (process and method) and interest in mathematics (emotional attitude and values). 2. ** Target Achievement ** - Consider whether the students can achieve the pre-set teaching goals at the end of the class. It could be judged from classroom practice, students 'answers to questions, and homework. If it was a calculation class, it would depend on the students 'calculation accuracy in class practice; if it was a concept understanding class, it would depend on whether the students could accurately explain the relevant concepts and apply them to solve practical problems. ** 2. Teaching content ** 1. ** Accuracy of content ** - Make sure that the teaching content is accurate. No matter if it's a mathematical concept, theorem, or example, there can't be any mistakes. For example, when explaining the area calculation of a geometric figure, the application of the formula must be accurate. 2. ** Depth and breadth of content ** - To analyze whether the depth of the teaching content is suitable for the age and learning level of the students. For primary school students, the content should not be too profound and difficult for them to understand, nor should it be too simple and not challenging. At the same time, the breadth of the content should also be moderate. It should cover all aspects of the knowledge. For example, when teaching the understanding of scores, not only should the concept of scores be explained, but also the comparison of scores, simple calculations, and other related content. 3. ** The content is coherent and logical ** - The organization of the teaching content should be coherent. From the introduction to the teaching of new knowledge to the consolidation of practice, the transition between the links should be natural. For example, from reviewing old knowledge to introducing new knowledge, the explanation of the new knowledge should be carried out in a logical order from shallow to deep. For example, first talking about integral multiplication, then extending to decimal multiplication. Logically, it should be a step-by-step relationship. ** 3. Teaching methods ** 1. ** Multiple methods ** - Observe whether the teacher uses a variety of teaching methods. For example, in addition to the traditional teaching method, were there any intuitive teaching methods (such as using teaching aids to show geometric figures), group cooperative learning methods (allowing students to discuss and solve mathematical problems in groups), inquiry teaching methods (guiding students to explore the laws of mathematics independently), etc.? The combination of multiple teaching methods helps to meet the needs of students with different learning styles. 2. ** Method effectiveness ** - Judge whether the teaching method is effective in promoting students 'learning. For example, in the group cooperative learning method, it depended on whether the members of the group actively participated in the discussion and whether the problem was solved through cooperation, rather than being a formality. For the inquiry-based teaching method, it was necessary to analyze whether the students really understood the mathematical knowledge in the process of inquiry, rather than the teacher directly telling the answer. ** 4. Teaching process ** 1. ** Introduction Stage ** - A good introduction should be able to attract the students 'attention and stimulate their interest in learning. It could be introduced through interesting mathematical stories, mathematical phenomena in life, or challenging mathematical problems. For example, when teaching statistics, one could import statistics from the height and weight of the students in the class. 2. ** New teaching segment ** - Whether the teacher's explanation was clear during the new teaching process. Whether the key knowledge was emphasized, and whether the difficult knowledge was cleverly resolved. For example, when teaching solving equations, shifting terms was a difficult point. Did the teacher use examples to let the students understand the basis and method of shifting terms? 3. ** Practice session ** - The design of the exercises had to be targeted and could consolidate the knowledge learned. The difficulty of the practice had to be graded, from basic practice to extended practice, to meet the needs of students at different levels. For example, after teaching the multiplication formula, the basic practice could be a simple multiplication formula filling in the blanks, and the extended practice could be solving the multiplication problem in real life. 4. ** Wrap-up segment ** - Whether the teacher had effectively summarized the knowledge of the class at the end of the class, whether it could help the students sort out the content and form a knowledge system. At the same time, whether there was simple feedback and evaluation of the students 'learning situation. ** 5. Teacher Quality ** 1. ** Teaching posture and language ** - The teacher's teaching attitude should be friendly and natural, infectious, and able to create a positive classroom atmosphere. The teacher's language should be accurate, concise, and vivid, and avoid using overly complicated or vague expressions. For example, when explaining mathematical concepts, the language must be precise and not ambiguous. 2. ** Class organization and management skills ** - Observe whether the teacher can effectively organize the classroom teaching and maintain good classroom order. During group activities or class discussions, it can guide students to actively participate and avoid classroom chaos. At the same time, they were able to deal with unexpected situations in the classroom in a timely manner, such as unexpected questions raised by students or disciplinary issues. 3. ** Smart teaching ** - Whether the teacher has teaching wit and can flexibly respond to various situations in the classroom. For example, when a student gave a wrong answer, could the teacher cleverly guide the student to discover the error and correct it? Or when the teaching plan could not be carried out according to the original plan for some reason, could the teacher adjust the teaching strategy in time? ** 6. Student performance ** 1. ** Participating Rate ** - Pay attention to the students 'participation in the class, including their enthusiasm in answering questions and their initiative in participating in group activities. It could be measured by the number of times students raised their hands to speak, the activity of participating in group discussions, and so on. 2. ** Learning Effect ** - Judging the students 'mastery of the knowledge from their classroom performance and practice completion. For example, the students 'accuracy in class exercises and whether they could use what they had learned to solve practical problems. <a href="/?from=ask_words" style="color:red" target="_blank">Read more exciting novels for free</a>