Thoughts on the New Mathematics Assessment in Primary Schools
" Thoughts on the New Mathematics Assessment for Primary Schools " The evaluation and suggestions in the new primary school mathematics curriculum standard brought many aspects worth thinking about. I. Guiding nature of evaluation The new curriculum standard emphasized the role of evaluation in educating people. This meant that the evaluation was no longer just about the student's knowledge mastery, but more about the guidance of the student's all-round development. Traditional evaluations often focused on results, such as students 'test scores. But now, the evaluation had to run through the entire process of students 'learning, from the acquisition of knowledge and skills, to the application of processes and methods, to the cultivation of emotional attitudes and values. This would help to change the phenomenon of purely pursuing scores in teaching and encourage teachers to focus on cultivating students 'multi-dimensional qualities in the teaching process, such as cultivating students' positive learning attitude, interest in mathematics, and the spirit of exploration. II. The Pluralism of Evaluation 1. multiple subjects The main body of evaluation changed from being singular to being diverse and interacting. In the past, the evaluation was mainly carried out by teachers. Now, it was necessary to guide students to evaluate themselves and treat others correctly and objectively. This change helped to cultivate students 'self-reflection ability and critical thinking. When students participated in self-evaluation, they could understand their own learning process and results more deeply, identify their own strengths and weaknesses, and make targeted improvements. At the same time, the mutual evaluation between students could also promote mutual learning and learning, and enhance communication and cooperation between students. 2. Diverse content The evaluation not only focused on knowledge and skills, but also covered the student's progress in the learning process. It involved knowledge, skills, emotions, values, and many other fields. This required teachers to observe the students in the teaching process, such as paying attention to the students 'performance in group cooperative learning, such as whether they actively participated in discussions, whether they respected the opinions of others, and so on. It was not just about whether their answers to mathematical knowledge were correct. This kind of multi-content evaluation could reflect the student's learning status and overall quality more comprehensively. Third, the motivation and development of evaluation 1. incentive function The development evaluation focused on the comprehensive evaluation of the students after a stage, and its incentive function was more prominent. By discovering the students 'progress in the learning process in time and giving recognition, it could stimulate the students' motivation to learn. For example, for students who had unique insights in mathematical thinking but were slightly weaker in computational ability, if the teacher could recognize the brilliance of their thinking in the evaluation, it would encourage them to continue to maintain innovative thinking and encourage them to work hard to improve their computational ability. 2. development function The purpose of the evaluation was to help students formulate improvement plans and promote better development. This made the evaluation an important driving force in the student's learning process. Teachers could provide students with personal learning suggestions based on the evaluation results, guide students to constantly adjust their learning strategies, and gradually achieve all-round development. This kind of evaluation for the purpose of development broke the traditional method of simply categorizing and tagging students, allowing each student to continuously improve on their own foundation. In summary, the new curriculum standard primary school mathematics evaluation proposal brought a new perspective and concept for teaching evaluation, prompting teachers to update the evaluation concept and adopt a more scientific, comprehensive, and diverse evaluation method, so as to better promote the comprehensive development of students. Read more exciting novels for free
How to write the teaching reflection of the primary school mathematics assessment paper
The following are some of the main points for writing the primary school mathematics assessment paper: ** I. Analysis of the test paper as a whole ** 1. ** Difficulty Assessment ** - He reviewed the questions on the test paper to determine the overall difficulty level. For example, if most students scored low on some questions, they would have to analyze whether it was because the difficulty of the knowledge points themselves was too high and beyond the scope of the students 'learning, or because the questions were too complicated and misled the students' understanding. - Consider whether the difficulty distribution of different types of questions (such as multiple-choice questions, fill-in-the-blank questions, application questions, etc.) is reasonable and whether it meets the requirements of the curriculum for students 'knowledge and ability. 2. ** Knowledge Points Covered ** - Check whether the assessment paper covers all the key knowledge points in the teaching outline. If important knowledge points were missed, it might affect the assessment of the student's overall knowledge mastery. - It was necessary to analyze whether the proportion of knowledge points was appropriate, whether it was too focused on certain knowledge points and ignored other equally important content. ** 2. Analysis of student performance ** 1. ** Score distribution ** - He checked the distribution of the students 'results and saw whether it was a normal distribution (most students' results were in the middle) or a serious disparity. If the disparity was serious, the reason should be investigated. Was it because the teaching methods did not take into account the students of different levels, or was it because the students 'learning attitudes and foundations were too different? 2. ** Analysis of typical errors ** - Find out the typical mistakes that the students made in the assessment papers. For example, in the calculation questions, was it because of a lack of mastery of the calculation rules or carelessness? As for the questions on concepts, was it because they had a vague understanding of the concepts or because they were unable to apply the concepts to specific problems? - He analyzed the students 'performance when solving applied problems. Was it because they lacked the solution to the problem, or because they had difficulty in transforming the text information into mathematical expressions? ** 3. Reflection on the teaching process ** 1. ** The effectiveness of teaching methods ** - Think about whether the teaching methods used in the teaching process will help students understand and master the knowledge. For example, if a large number of abstract explanations were used in the teaching of a certain knowledge point, and the students lost more points in the relevant questions of the knowledge point in the assessment paper, they might need to consider using more intuitive and vivid teaching methods, such as using teaching aids, multi-media, etc. to assist in teaching. - To evaluate the effect of teaching methods such as group cooperative learning and inquiry learning in actual teaching, and whether they really improved the students 'autonomous learning ability and cooperative communication ability. 2. ** Reasonableness of Teaching Progress ** - Review the teaching progress and determine if it is too fast or too slow. If the teaching progress was too fast, it might lead to insufficient digestion of knowledge, which would be reflected in the assessment paper as insufficient basic knowledge. If the teaching progress was too slow, it might affect the learning of subsequent knowledge, and some comprehensive questions could not be answered in the assessment paper. ** IV. Enhancement measures and future plans ** 1. ** Modifications for Individual Students ** - According to the students 'grades and performance, they would formulate tiered teaching plans, provide additional guidance and support to students with poor grades, and help them make up for their knowledge gaps. They would also provide expanded learning content to students who had the ability to learn, so as to stimulate their learning potential. 2. ** The adjustment of teaching methods ** - Based on the analysis of the effectiveness of the teaching method, adjust the teaching method. For example, increasing classroom interaction to allow students to participate more in classroom teaching, and strengthening the training of students 'solution ideas instead of just imparting knowledge. 3. ** Teaching content optimization ** - The organization and presentation of the teaching content should be optimized to ensure that the key and difficult knowledge was fully explained and practiced. According to the problems reflected in the assessment paper, the teaching content could be supplemented or deleted appropriately. 4. ** Long term planning ** - Set long-term teaching goals, such as the level of mathematics that students are expected to achieve by the end of the semester or the end of the school year. Also, formulate corresponding teaching plans and evaluation mechanisms, and conduct regular assessments and reflections to ensure the realization of teaching goals. <a href="/?from=ask_words" style="color:red" target="_blank">Read more exciting novels for free</a>
How to Use Mind Maps to Teach Mathematics in Primary Schools
Mind maps were a kind of graphic thinking tool that could help people better organize, express, and remember information. In the process of primary school mathematics teaching, mind maps could be used to help students better understand and master mathematical knowledge. Here are some steps and techniques for using Mind Maps to teach elementary math: 1. Confirm the theme: Create a theme in the center of the mind map. It can be mathematical concepts, formulas, and theories. 2. List related branches: Create related branches on the left side of the mind map according to the topic. These branches can include mathematical concepts, symbols, terms, etc. related to the topic. Explain Concepts: Add words or pictures to explain the meaning and function of mathematical concepts, symbols, or terms. 4. Practice questions: create a branch of practice questions on the right side of the mind map. These questions can be related to the topic or can be adjusted according to the interests and needs of the students. 5. Organizing revision: Using mind maps to organize revision will shift students 'thoughts from the subject to the relevant branches to help them better understand and remember mathematical knowledge. 6. Assessment of Learning: Create an assessment branch below the Mind Map. These assessments can be related to the student's practice and review questions to help the student understand their own learning results. Through the use of mind maps, primary school mathematics teachers can better organize and manage mathematics teaching, and students can better understand and master mathematics knowledge.
A Reflection Report on the Evaluation of Mathematics Teaching Quality in Primary Schools
<a href="/?from=ask_words" style="color:red" target="_blank">Read more exciting novels for free</a>
How to write the teaching reflection and improvement of the primary school mathematics assessment paper
The reflection and improvement of the primary school mathematics assessment paper could be written from the following aspects: ** I. Reflection on student performance ** 1. ** Knowledge Mastery Status ** - It analyzed the students 'scores for each knowledge point in the assessment paper. For example, did he lose more points on the calculation questions or the concept comprehension questions? If the students lost a lot of points in the calculation category, it might reflect that there were problems in the accuracy of the calculation, the speed of the calculation, or the mastery of the calculation method. If the students lost a lot of points in the concept understanding category, it might mean that they did not go deep enough in the concept teaching or lacked examples to help them understand. - Pay attention to the performance of students of different levels. For example, whether the excellent students performed well in the difficult questions and whether there were any carelessness; which knowledge sections of the average students had room for improvement; where the main points of the students with learning difficulties were, whether they did not master the basic knowledge at all or there was a serious lack of answering skills. 2. ** Problem solving ability and way of thinking ** - He checked the students 'solution process. If a lot of students solved applied problems correctly but made mistakes in their calculations, this might imply that the students were not focused enough on solving the problems or lacked the habit of checking. - Consider whether students have the ability to flexibly apply knowledge. For example, in some questions that could be solved in many ways, whether the students were limited to only one method reflected the lack of knowledge transfer and thinking development training in the teaching process. 3. ** Learning attitude and habits ** - From the writing of the assessment paper, one could judge the students 'learning attitude. If the handwriting was sloppy and the answers were not standardized, it might indicate that the students lacked rigor in their usual studies. - Observe whether the students have the habit of seriously examining the questions. Some questions might cause students to lose marks because they did not read the questions carefully. This reflected the lack of training in the ability to examine questions in daily teaching. ** 2. Reflection on teaching content and methods ** 1. ** Teaching content ** - Review whether the mathematics knowledge taught has fully covered the test points of the assessment paper. If there were some knowledge points that were not emphasized or covered in the classroom, they needed to consider the completeness of the teaching content. - Check if the key points of the teaching are prominent. If the students lost more points in the key knowledge section, it might be because the students did not pay enough attention to the key content in the teaching process, or the key knowledge was not explained thoroughly enough. 2. ** Teaching Method ** - Think about whether the teaching method suits the student's learning style. For example, when explaining abstract concepts, if they simply used the teaching method, it might not be beneficial for the students to understand. Should they add more intuitive demonstration or example guidance? - evaluate the effectiveness of classroom interaction. If the student showed some incomprehension in the assessment paper, it might be because the student's problem was not fully exposed during the classroom interaction, or the teacher did not give the correct guidance in time. ** 3. Modification measures ** 1. ** Target the weak points of students 'knowledge ** - If one's calculation ability was weak, they could add specialized calculation practice classes, including oral calculation, written calculation, simple calculation, and other different types of calculation training. At the same time, he taught them calculation skills and inspection methods, such as how to use estimation to check the rationality of the calculation results. - For the situation where the concept understanding was insufficient, the concept teaching process should be re-designed to use more examples, graphs, or physical models to help students understand the meaning and extension of the concept. 2. ** Enhances problem solving ability and thinking ** - Carry out special problem solving training to gradually improve students 'ability to solve problems from easy to difficult. In the training process, focus on guiding the students to analyze the types of questions, summarize the ideas and methods of solving the questions, and cultivate the ability to draw inferences. - Students were encouraged to try a variety of methods to solve problems. Students who used different methods to solve problems were praised. Different solutions were shared in class to broaden the students 'horizons. 3. ** Correct learning attitude and cultivate habits ** - To strengthen the cultivation of students 'learning habits, such as requiring students to write neatly, answer questions in a standardized manner, formulate standard standards for answering questions, and strictly enforce them in daily homework and practice. - A special training session was set up to teach students how to grasp the key information in the questions and improve their ability to review the questions by circling keywords. 4. ** Enhancing teaching content and methods ** - According to the test points of the assessment paper, supplement and improve the teaching content to ensure the comprehensiveness of the knowledge. At the same time, adjust the order of the teaching content, bring forward the key knowledge or increase the teaching time of the key knowledge. - Try a variety of teaching methods, according to the different teaching content and the actual situation of the students to choose flexibly. For example, the teaching of geometry could be done in groups, allowing students to make their own graphs and explore the nature of the graphs. As for the teaching of mathematical laws, students could be guided to discover the laws themselves through data collection and analysis. <a href="/?from=ask_words" style="color:red" target="_blank">Read more exciting novels for free</a>
How to write the teaching reflection and summary of the primary school mathematics assessment paper
The following is the general idea of writing the primary school mathematics assessment paper: ##I. Analysis of the Test Questions 1. ** Covering the content and grasping the key points ** - First of all, it was necessary to make sure that the content of the test paper covered all the knowledge points in the teaching outline. For example, whether there was a reasonable coverage of basic knowledge (such as the four operations, the understanding of graphs, etc.) and key knowledge (such as the application of decimal multiplication, division, etc.). - It was necessary to analyze whether the proportion of the main knowledge in the test paper was appropriate, whether the key knowledge areas were highlighted, and also to consider the distribution of different levels of knowledge (such as concept understanding, simple application, comprehensive application). 2. ** Connection with reality ** - They wanted to see if the questions in the test paper reflected the concept of "learning valuable mathematics." He checked if there were any questions that were drawn from familiar life scenes, such as mathematical calculations in shopping scenes, speed and time calculations in travel problems, and so on. - Consider whether these questions related to real life can let students experience the necessity, practicality, and application value of mathematics learning. 3. ** Ability Test Dimension ** - Think about the test paper's assessment of students 'various abilities, such as computing ability. See if there are various forms of calculation questions (such as oral calculation, written calculation, simple calculation, etc.) to test the accuracy and speed of students' calculations. - The analysis tested the student's observation ability. For example, if the student needed to carefully observe the characteristics of the figure to solve the problem. - A test that tests the student's ability to make judgments, such as whether the judgment questions can effectively test the student's ability to distinguish concepts. - They also paid attention to the students 'ability to use knowledge to solve life problems. For example, if solving problem questions required students to combine multiple knowledge points to answer. ##2. Score Analysis and Overall Level Analysis 1. ** Score distribution ** - List the grades of the students in the class, such as how many people have 100 points, 90 - 99 points, 80 - 89 points, 70 - 79 points, and how many people have lower scores. - Through the distribution of results, it was possible to determine the overall learning results of the students. Whether the overall results were higher meant that the teaching effect was better or the distribution of results was more scattered required further analysis. 2. ** Overall Assessment of Students 'Learning Level ** - According to the results, the overall learning level of the students was described. For example, most students had a good grasp of knowledge, but some students had obvious shortcomings in certain knowledge sections. - It analyzed the performance of students at different levels (excellent, average, difficult). For example, what problems could the excellent students easily deal with, what were the main points that the average students lost, and whether the difficult students had weak basic knowledge or lack of ability to solve problems. ##III. Analysis of Teaching Gains and Losses 1. ** Success in Teaching ** - Review the effective teaching methods that you have used in the teaching process, such as creating a situation to guide students to learn new knowledge to improve their interest in learning and comprehension ability. - Think about what successful measures there are in cultivating students 'mathematical thinking, such as whether to focus on guiding students to carry out logical reasoning, induction, and other thinking activities. - If a student performed well in the test, analyze which guidance or teaching sessions he gave during the learning process had a positive impact on their growth. 2. ** Teaching deficiencies ** - For the questions where students lost more points, analyze whether the relevant knowledge points were not explained thoroughly enough in the teaching process. For example, if a student lost a lot of marks on a certain type of applied question, it might be due to a lack of explanation of the solution to the applied question or the analysis of the quantitative relationship. - He thought about whether he did not pay enough attention to the individual differences of the students in the teaching, causing some students to be unable to keep up with the teaching progress or grasp certain knowledge. - He checked whether his knowledge system was not complete enough in his teaching, causing the students 'understanding of knowledge to be scattered and unable to use knowledge to solve problems. ##IV. Enhancement measures and future prospects 1. ** improvement measures for deficiencies ** - If the knowledge points were not explained thoroughly, they planned to increase the practice of relevant knowledge points in the future teaching and adopt more diverse teaching methods (such as using multimedia-assisted teaching, group discussion, etc.) to deepen the students 'understanding. - For situations where individual differences were not paid attention to, he planned to increase the elements of hierarchical teaching in the classroom, such as designing classroom questions of different difficulty levels, homework assignments, etc., and provide targeted tutoring for students with learning difficulties after class. - If the construction of the knowledge system was not perfect, he would have to reorganize the entire primary school mathematics knowledge system, pay attention to the connection between knowledge in the future teaching, and carry out the teaching in a spiral way from shallow to deep. 2. ** Future teaching prospects ** - He also raised his expectations for future teaching results, such as improving teaching methods and strategies to improve the overall performance of the class in the next assessment and reduce the number of low-scoring students. - To express the long-term goal of cultivating students 'mathematical literacy, such as not only to let students master mathematical knowledge, but also to improve their mathematical thinking ability, application ability, and innovation ability. <a href="/?from=ask_words" style="color:red" target="_blank">Read more exciting novels for free</a>
How to write comments on the teaching reflection of the primary school mathematics assessment paper
The following is a review of the primary school mathematics assessment paper from different aspects: ** 1. Knowledge Mastery and Understanding ** - If the student made more mistakes in answering the questions on the basic concepts in the assessment paper, it could be commented that the student's grasp of the basic mathematical concepts was relatively weak. The teaching of concept understanding should be strengthened to prevent the student from memorizing them by heart. Moreover, the student's mastery level should be strengthened and checked. Individual tutoring should be carried out for students with different comprehension abilities. - If most of the students answer certain important knowledge points correctly, comment: This assessment reflects that the students have a good grasp of [specific knowledge points]. The explanation and strengthening methods of this part of knowledge in the teaching process are more effective. Similar teaching methods can be used to promote other knowledge points. ** 2. Learning methods and strategies ** - When students are found to lack flexibility in solving problems, comments: Students are not flexible enough in their way of thinking when solving problems. We should focus on cultivating good problem solving skills, guide students not to be limited to one way of solving problems, encourage independent thinking and creative problem solving, stimulate students 'interest in mathematics learning, and make the learning process more interesting. - If some students can use a variety of methods to solve problems, comment: Some students show the ability to flexibly use learning methods when solving problems. This shows that the strategy of cultivating students 'diverse thinking in solving problems has achieved certain results. In the future, we should continue to strengthen the guidance in this area and let more students master a variety of problem solving strategies. ** 3. Class atmosphere and teacher-student interaction ** - If the assessment paper shows that the students are not familiar with the application of knowledge as a whole and have little classroom interaction, comment: From the assessment results, the students 'ability to apply knowledge needs to be improved. The creation of classroom interaction and active atmosphere is crucial to improve the students' ability to apply knowledge. The frequency of teacher-student interaction should be increased, the students 'independent learning ability should be emphasized, and a relaxed and happy classroom atmosphere should be created to encourage students to actively express their ideas. - If some students have unique opinions on difficult questions, comment: This shows that the positive teacher-student interaction and open atmosphere in the classroom can help some students think deeply about the problem. In the future, we should further strengthen classroom interaction and strive to let more students improve their thinking depth and knowledge application ability in such an atmosphere. ** 4. Homework arrangement and marking ** - When students generally do not master certain types of questions well, and these types of questions are highly related to the homework, comment: The assignment should be closer to the actual life of the students to increase their interest. In response to the problems reflected in the assessment paper, the amount of homework and the types of questions should be adjusted to avoid giving students too much pressure while ensuring that the homework can effectively help students consolidate their knowledge. At the same time, the teacher must promptly mark the homework and give feedback and guidance, and flexibly adjust the teaching progress and methods according to the homework situation. - If the student completed the homework well and performed well in the corresponding knowledge part of the assessment paper, comment: The reasonable assignment and timely marking have played a positive role in the student's mastery of knowledge. The amount of homework and the choice of question type are more appropriate. The assignment strategy should be maintained and further optimized according to the assessment results. ** 5. Home-school cooperation and home learning environment ** - If the student's overall performance is not ideal and there are problems in his or her study habits, comments: The student's learning situation reflects the importance of the family learning environment and the cooperation between the family and the school. Teachers and parents should work closely together to pay attention to the student's learning situation, guide parents to provide a good learning environment for the child, encourage parents to actively participate in the child's learning process, and strengthen the communication between the school, the family, and the child. - For students who have made great progress, comment: The student's progress reflects the positive impact of good home-school cooperation and family learning environment on the child's learning. This home-school co-education model should be maintained to provide strong support for the student's continuous progress. <a href="/?from=ask_words" style="color:red" target="_blank">Read more exciting novels for free</a>
Elementary Mathematics Minor Ability Points Assessment
The elementary school mathematics micro ability point assessment covered many aspects. For example, in some teaching situations, it would involve testing and practicing micro-ability points supported by B1 technology. For example, using the game challenge function in the Siwo whiteboard to carry out testing and practice activities, it could timely understand the student's mastery and application of knowledge, improve the efficiency of practice evaluation feedback, and provide a basis for teaching strategy adjustment. You can also use the online test function of the Weixin Mini Programs "Class Butler". The questions are comprehensive and there are many ways to operate it. Teachers can issue questions in different forms, and students can answer them in many ways. In addition, the demonstration and communication micro-ability points supported by B6 technology could use information technology to support discussions, debates, and results display activities inside and outside the classroom. They could also improve the efficiency, form, and depth of the demonstration and communication, and promote the development of students 'ability to think and collide. Some schools would select some of the 30 micro-abilities such as A2 (digital education resource acquisition and evaluation), A5 (technical support classroom introduction), A6 (technical support classroom teaching) and other basic micro-abilities. They would evaluate teachers in the form of on-the-spot demonstration and evaluation by judges. This was not only a display of teachers 'information technology ability, but also a test of their level. It was conducive to the deep integration of subject teaching and information technology. <a href="/?from=ask_words" style="color:red" target="_blank">Read more exciting novels for free</a>
Primary school students 'exercise assessment
The assessment of the elementary school students 'union exercise was a common campus activity. It was aimed at comprehensively evaluating the students' formation movements, mental outlook, and other aspects. At the same time, it had positive significance in many aspects. For example, in Tengzhou City Zhishan School's primary school held a gymnastic competition, in order to implement the party's educational policy, implement quality education, promote the all-round development of students, and promote the progress of physical education, the school held a broadcast gymnastics competition. The moral education department formulated the activity plan in advance. The form teacher and the physical education teacher worked closely together, and each class actively trained. During the competition, the students 'movements were neat and uniform, their slogans were loud and clear, and they were full of energy, showing their vitality, hard work, and unity. The competition was hosted by the school leaders, including the opening speech and the reading of the scoring standards. A new scoring mode was adopted, such as the live scoring on WeChat. The judges adhered to the principle of fairness and publicity, and finally presented the award to the winning class. This activity not only improved the students 'queue, the quality of the broadcast exercises, and their mental outlook, but also enhanced the cohesion of the class. There was also Qinyang City's First Primary School's formation and inter-class exercise assessment. It was also an assessment of the students 'performance in formation and inter-class exercise to show the beauty of the teachers and students. These exercises were all successful practices of the school's active development of sunny sports activities, the implementation of the " sunny exercise for an hour ", and the routine of physical education classes. <a href="/?from=ask_words" style="color:red" target="_blank">Read more exciting novels for free</a>
Primary and secondary schools
The following are some poems that contain the image of "hook column" and are suitable for primary and secondary schools to understand: - "In the shadow of the railing, when the swallows fly in pairs." (Song Dynasty Lu You's "Fishing Terrace Poetry"), depicting the scene of swallows flying under the railing. - "The moonlight is reflected on the railing, and the courtyard is full of poetry." The railing and the moon shadow complemented each other, creating an elegant and quiet atmosphere. - "A low courtyard surrounded by fences. Flowers and plants fill my heart with greenery." This sentence depicted the railings surrounding the courtyard, making the courtyard more beautiful because of the railings and flowers. - "When we reach the railing in the garden, thousands of stamens compete to be enchanting." Through the garden surrounded by railings, the scene of flowers blooming was displayed. While waiting for the TV series, you can also click on the link below to read the classic original work of "Dafeng Nightwatchman"!
Mathematics content in aerospace primary school
In primary school, aerospace learning involved a lot of mathematics content: 1. ** Year 1 **: - He could use the time knowledge he had learned to understand the time representation of important moments in China's aerospace history, such as the launch time of the Shenzhou 14 manned spacecraft at 10:44:07 on June 5,2022. By sorting out these moments, he could make a schedule for China's aerospace time. He could also draw a space clock to represent these moments. 2. ** Year 2 **: - In the activity of building the " space dream " in his heart, although there was no direct manifestation of specific mathematical knowledge, he could use mathematical thinking such as spatial concepts in the process of material selection and combination. In addition, during the introduction of the cold knowledge of the universe, some simple numerical relationships might be involved, such as the comparison of the distance between a certain planet and the Earth. 3. ** Year 3 **: - In the research of the moon, a lot of mathematical knowledge about the moon needed to be collected, such as the temperature of the moon's surface, the distance between the moon and the Earth, and the time of the moon's orbit around the Earth. This process would involve the checking and sorting of data. These data existed in mathematical form, and it might also involve simple mathematical operations such as numerical comparison. 4. ** 4th grade **: - Due to the distance of the universe, it was necessary to learn larger units of measurement, such as astronomical units, light years, parsecs, etc., and use these units to calculate the distance in space, such as calculating the actual mathematical calculation problems of astronauts traveling between different planets. The novel " Hundred Years of Spaceship " is equally exciting. Everyone is welcome to click and read it!