The teaching reflection of the second volume of the seventh unit of the second year mathematics mainly had the following points: ** I. About the content of Problem Solution ** 1. ** Student Foundation and Key Points ** - There were three examples in the textbook 'Problem Solvention'. The students had a certain foundation in the relationship between the quantities in the examples because they had already encountered the two-step solution last semester. This semester's focus was on the variety of problem solving methods, the correct use of parenthesis, and the formulation of comprehensive formulas to solve problems. 2. ** Teaching strategies and student performance ** - In teaching example 2, the situation of "students buying bread" was used to guide students to observe and think, collect information through questions, raise questions, and solve problems. Students were encouraged to discuss and discuss in class, share different ideas for solving problems, and experience a variety of problem solving strategies. For example, they would first set up a step-by-step formula before setting up a comprehensive formula, emphasizing the internal relationship between different algorithms. However, there were some problems in teaching. Some students with learning difficulties still stayed in one-step calculation thinking and could not understand the questions. Although some students could write comprehensive formulas, most students were not familiar with the use of small parenthesis. For example, in the case where there was no need to add parenthesis, many students mistakenly added parenthesis because they wanted to calculate the latter first. In order to solve the problem of using parenthesis, special training on parenthesis could be added in the practice class. By analyzing the characteristics of the step-by-step calculation, finding the intermediate quantity and combining it into a comprehensive calculation, the correct use of parenthesis could be consolidated. ** 2. About the content of "Opening of the Olympics"** 1. ** Teaching objectives and difficulties ** - The teaching goal is to guide students to understand the clock face, hour, and minute. Know that 1 hour = 60 minutes, establish the concept of hour and minute, experience the connection between mathematics and life, and develop the habit of cherishing time. The most difficult part was to know the time, minutes, and 1 hour = 60 minutes. 2. ** Teaching Concept and Student Experience ** - As the unit of time was abstract and involved in the study of speed, the understanding of "hours, minutes, and seconds" was a difficult and practical knowledge in the lower grades. The teaching followed the concept that mathematics originated from life and was applied to life. Students 'original time knowledge and life experience could be used as pre-class tests. Although students had preliminary research on time knowledge in class, they already had a lot of perceptual knowledge in life. They knew that learning, life, and labor were closely related to time. Read more exciting novels for free
Sorry, I'm a fan of online literature. My knowledge is mainly concentrated in the field of mathematics. I can't provide the mind map for the fourth grade's second volume of mathematics.
The following are some possible reflections on the fifth grade mathematics teaching of the People's Education Press: ** 1. Number and algebra ** 1. ** Elements and Multipliers ** - As for the teaching of the concepts of factor and multiple, students might have difficulties in understanding the concept of " In integral division, if the quotient is an integral number without a remainder, the dividends are the multiple of the dividends, and the dividends are the factors of the dividends." Teachers needed more examples to help students understand. For example, through specific integral division formulas, such as 12 div3 = 4, it was explained that 12 was a multiple of 3, and 3 was a factor of 12. - When teaching the features of 2, 5, and 3, although the rules were relatively clear, students might be confused when using these features to solve complex problems. For example, to determine whether a large number is a multiple of 2, 3, or 5 at the same time, teachers need to strengthen the teaching of the connections and differences between different characteristics. - The concepts of prime numbers and composite numbers were more abstract, and students might find it difficult to distinguish the relationship between prime numbers, composite numbers, and 1. The teacher had to guide the students to understand these concepts from the perspective of the number of factors, and let the students list the prime numbers and composite numbers within a certain range to deepen their memory. 2. ** The meaning and nature of scores, addition and deduction of scores ** - The meaning of a score was a difficult problem for students. Take a whole as a unit " 1 ", then divide the unit " 1 " evenly into a number of parts. The number that represented such a part or parts was the score. Teachers could use more physical demonstration or graphic display in teaching, such as taking a circle or a rectangular as the unit " 1 ", and then dividing it to represent the score, helping students understand the meaning of the score from intuitive to abstract. - In the teaching of fraction addition and substitution, students were prone to making mistakes in addition and substitution of different decimators, especially in the process of general fraction. Teachers needed to emphasize that the basis of general scores was the basic nature of scores, and through a large number of exercises, students should be familiar with the methods of general scores and reduction scores to improve the accuracy of the calculation of scores. ** 2. Spatial and graphic aspects ** 1. ** Observing objects ** - Students might find it hard to imagine different shapes when they put together a geometric object according to the shape seen from one direction. The teacher could let the students use the small cubes to observe from different angles, so as to cultivate the students 'spatial imagination and concept. 2. ** Cuboids and cubes ** - When teaching the characteristics of cuboids and cubes, students might not have a deep understanding of the concepts of edges, surfaces, and vertexes. Teachers could use physical models to let students count the number of edges and faces, measure the length of the edges, and better grasp the characteristics of cuboids and cubes. - As for the derivation and application of the formulas for the volume and surface area of cuboids and cubes, students might not be able to correctly judge whether to calculate the volume or the surface area when solving practical problems, or make calculation errors when using the formulas. Teachers should strengthen the analysis of practical problems, guide students to correctly distinguish the concept of volume and surface area, and carry out more targeted exercises. ** 3. In terms of statistics ** When teaching single-line and double-line charts, students might have problems reading the data in the chart, analyzing the trend of the data, and making predictions based on the chart. Teachers could ask students to collect data and create a line chart by themselves. In this process, they could understand the elements and significance of the chart and improve their ability to analyze and interpret the data. ** 4. Comprehensive applications ** In the comprehensive application of mathematics activities, students might not have a clear division of labor and lack the spirit of cooperation when working in a group. Or when solving practical problems, they could not effectively apply the mathematical knowledge they had learned to practical situations. Teachers should clarify the rules of group division before the activity, strengthen guidance during the activity, help students connect mathematical knowledge with practical problems, and improve students 'mathematical application ability. <a href="/?from=ask_words" style="color:red" target="_blank">Read more exciting novels for free</a>
Alright, I can help you make a mind map for the first unit of the fourth grade mathematics. First of all, we need to understand the theme and content of this unit. Mathematics was an abstract subject that mainly used symbols and logical reasoning to describe and solve problems. In this unit, we will learn the concept of numbers, the comparison of numbers, scores, decimals, and percentage, as well as simple calculations such as addition, deduction, multiplication, and division. Next, we can connect the unit theme and related elements to form a mind map. The following is a possible example: ``` + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + +
In the teaching of the second unit of the first year's Chinese language, there was the following reflection and summary: 1. ** Regarding the "Non-teaching of the Student Union"** - Due to the accumulation of the Three Character Classic during the last semester, when he was teaching the Reading 2, the students could recite it without the teacher's guidance. For example,"Watching TV" was an article that was close to the reality of students 'lives. The students were familiar with the scenes such as changing channels and watching football games. The teacher did not need to explain too much. The students were allowed to read it in a variety of ways, such as practicing reading in groups, the group leader selecting the members to read, the group driving the train to read, you read and I played, etc., which improved the students' reading and comprehension ability. Moreover, the students could easily understand the "secret in the heart", which was "love"(love for others), so that the teacher could easily teach them. The effect of students learning happily and understanding it thoroughly. 2. ** About "Helping Students Solve Doubts Through Cooperation"** - Students would ask questions when they were previewing the text, but it was difficult to show everyone's questions in class. In lessons such as "Sunshine in the Shoes" and "The Moon's Wish," the answers to the questions posed by the students after the preparation were simple, but it was difficult for first-year students to understand them thoroughly due to their lack of life experience. Therefore, in the process of guiding the students, the teacher asked the students to work in groups to explore the answers through speaking, reading, discussing, and debating. They learned to express their opinions, so that the students understood that communication could be fruitful, so as to build self-confidence and believe that they had the ability to ask and answer questions. <a href="/?from=ask_words" style="color:red" target="_blank">Read more exciting novels for free</a>
In mathematics learning, there might be many ways to answer a mathematics question. This reflected different thinking processes and could also reveal the student's learning ability and methods. For example, in the geometry questions, such as the isosceles-triangle rotation, some students did not follow the rules. For example, when proving the congruence of a triangle, some necessary conditions were skipped. For example, when proving the equality of the base angles of an isoscele triangle, the key condition of the top angles being equal (that is, the rotation angles being equal) was not proved first, and the conclusion of the base angles being equal was directly obtained. Or when using the diamond property to solve the problem, in the case where the diagonal was not made, the focus should be on the relationship between the sides. However, some students 'solution ideas deviated in this aspect and did not strictly reason according to the diamond property. In addition, some students did not have sufficient reasons to come to the conclusion of an isosceles-right triangle, resulting in insufficient basis for subsequent calculations. This reflected that although some students could write some key steps that seemed to be correct, their thinking was not continuous. They might not have fully considered the rigorous logic needed to solve the problem. In the problem solving related to probability and statistics, different solutions and possible problems could also be reflected. For example, in the question of probability, the key was to find the number of situations that met the conditions and the total number of all situations. Using the list method, the tree diagram method, and other methods to list all possible situations, but some students might make mistakes or miss some situations when determining these two key numbers. For some mathematical problems that required reverse thinking, such as finding the minimum number of people who knew all four of the known skills, or decomposing a number into several consecutive natural numbers, etc. Some students might not be able to start because they lacked the ability to think in reverse, but students who mastered reverse thinking could easily solve it. This meant that different ways of solving problems reflected the differences in students 'thinking patterns. In the teaching process, it was necessary to guide students to master a variety of ways of thinking to deal with different types of problems. From these different solutions, it could be seen that in mathematics teaching, it was very important to regulate writing, strengthen basic knowledge, and cultivate a variety of thinking skills (such as forward and backward thinking). This would help students start from the right direction when solving problems, and strictly carry out reasoning and calculations to avoid thinking loopholes or irregular steps. <a href="/?from=ask_words" style="color:red" target="_blank">Read more exciting novels for free</a>
The fourth grade mathematics unit 1 mind map example is as follows: ``` +--------------------------------+ | one | | | +--------------------------------+ | 1 |11|12| +--------------------------------+ | 2 |13|14| +--------------------------------+ | 3 |15|16| +--------------------------------+ | 4 |17|18| +--------------------------------+ | 5 |19|20| +--------------------------------+ | 6 |21|22| +--------------------------------+ | 7 |23|24| +--------------------------------+ | 8 |25|26| +--------------------------------+ | 9 |27|28| +--------------------------------+ | 10 |29|30| +--------------------------------+ | 11|31|32| +--------------------------------+ | 12|33|34| +--------------------------------+ | 13|35|36| +--------------------------------+ | 14|37|38| +--------------------------------+ | 15|39|40| +--------------------------------+ | 16|41|42| +--------------------------------+ | 17|43|44| +--------------------------------+ | 18|45|46| +--------------------------------+ | 19|47|48| +--------------------------------+ | 20|49|50| +--------------------------------+ | 21|51|52| +--------------------------------+ | 22|53|54| +--------------------------------+ | 23|55|56| +--------------------------------+ | 24|57|58| +--------------------------------+ | 25|59|60| +--------------------------------+ | 26|61|62| +--------------------------------+ | 27|63|64| +--------------------------------+ | 28|65|66| +--------------------------------+ | 29|67|68| +--------------------------------+ | 30|69|70| +--------------------------------+ | 31|71|72| +--------------------------------+ | 32|73|74| +--------------------------------+ | 33|75|76| +--------------------------------+ | 34|77|78| +--------------------------------+ | 35|79|80| +--------------------------------+ | 36|81|82| +--------------------------------+ | 37|83|84| +--------------------------------+ | 38|85|86| +--------------------------------+ | 39|87|88| +--------------------------------+ | 40|89|90| +--------------------------------+ | 41|91|92| +--------------------------------+ | 42|93|94| +--------------------------------+ | 43|95|96| +--------------------------------+ | 44|97|98| +--------------------------------+ | 45|99| 100| +--------------------------------+ | 46| 101| 102| +--------------------------------+ | 47| 103| 104| +--------------------------------+ | 48| 105| 106| +--------------------------------+ | 49| 107| 108| +--------------------------------+ | 50| 109| 110| +--------------------------------+ | 51| 111| 112| +--------------------------------+ | 52| 113| 114| +--------------------------------+ | 53| 115| 116| +--------------------------------+ | 54| 117| 118| +--------------------------------+ | 55| 119| 120| +--------------------------------+ | 56| 121| 122| +--------------------------------+ | 57| 123| 124| +--------------------------------+ | 58| 125| 126| +--------------------------------+ | 59| 127| 128| +--------------------------------+ | 60| 129| 130| +--------------------------------+ | 61| 131| 132| +--------------------------------+ | 62| 133| 134| +--------------------------------+ | 63| 135| 136| +--------------------------------+ | 64| 137| 138| +--------------------------------+ | 65| 139| 140| +--------------------------------+ | 66| 141| 142| +--------------------------------+ | 67| 143| 144| +--------------------------------+ | 68| 145| 146| +--------------------------------+ | 69| 147| 148| +--------------------------------+ | 70| 149| 150| +--------------------------------+
The following is an example of the teaching design and reflection of the fourth grade mathematics "Observing Objects" published by the People's Education Press: ##1. Teaching objectives 1. ** Knowledge and Skill Target ** - Students can accurately identify the shape of a geometric body made of several cubes observed from different positions (front, top, left). - Grasp the correct observation method, such as observing the line of sight to be vertical to the surface being observed. 2. ** Course, Method, and Target ** - Through assembling, observing, imagining, judging, and other activities, the students will experience the process of observing objects. For example, the students could use cubes to piece together a geometric object, and then observe and describe the shape from different directions. - In the group exploration, such as exploring different objects from the same angle, the students 'cooperative communication ability and hands-on operation ability were cultivated. 3. ** Emotions, attitudes, values, goals ** - Cultivate students 'spatial imagination and reasoning ability. - This would allow students to realize that when they observed the same object from different positions, the shapes they saw might be different. When they observed different objects from the same position, the shapes they saw might be the same or different. Thus, they would develop the habit of thinking from multiple angles. ##2. Difficulties in Teaching 1. ** Teaching Focus ** - Able to accurately identify the shape of objects observed from different directions. - In actual observation activities, it is used to abstract a planar figure from the observed object. 2. ** Teaching Difficulties ** - According to the shapes observed from different directions, cubes were used to piece together the corresponding three-dimensional figures. ##3. Teaching Method It adopted the intuitive teaching method, operation exploration method, group cooperation method, etc. Students were allowed to build geometry by themselves, observe objects, and discuss in groups to deepen their understanding of knowledge. ##4. Teaching process 1. ** Introduction of Scenarios ** - Students could use examples from their daily lives, such as showing pictures of cars from different angles. Students could imagine looking at cars from different positions and see if the pictures were the same. Then, students could connect the pictures of cars seen by different people to lead to the topic. This would stimulate the students 'interest in learning, and at the same time, review old knowledge to pave the way for new lessons. 2. ** Exploring new knowledge ** - ** Patchwork Diagram **: Ask the students to work together at the same table and use a certain number of cubes (such as four) to piece together their favorite geometric body. Students were then asked to show and describe the resulting geometry. - ** Observation and comparison **: Students can communicate with each other in the group about what shapes they see from different directions (front, top, left), and they can use small squares to display them. After that, the whole class would communicate, show the observations of different groups, and evaluate them. For example, the teacher could post pictures from the textbook on the blackboard and let the students connect the lines on the stage to strengthen their understanding of the different shapes seen from different positions. 3. ** Consolidating Practice ** - Ask the students to complete the relevant exercises in the textbook, such as the questions in "exercise 4". The students could first observe and identify the lines independently, and then the teacher or the teacher could show the correct answer to check. For some questions that required students to observe the combination of cuboids and cubes, let the students think about the shapes seen from the front, top, and left respectively. 4. ** Class summary ** - Guide the students to review what they have learned in this lesson, such as observing the same object from different positions may see different shapes, observing different objects from the same position may see the same or different shapes, as well as the correct observation methods. ##5. Reflection on Teaching 1. ** Success ** - The visual teaching effect was better. By letting the students put together the geometric objects and observe them, the abstract knowledge could be turned into an intuitive image, which would help the students establish their concept of space. For example, students could better understand the differences in shapes seen from different directions when they used cubes to assemble geometric objects and observed them. - Group learning played a positive role. When observing, comparing, and exploring different objects from the same angle, group cooperation gave students more opportunities to exchange ideas and cultivate students 'sense of cooperation and expression. 2. ** Inadequacies ** - Some students still had difficulty in abstracting a two-dimensional figure from the observed shape, which might be caused by the difference in spatial imagination. In the future teaching, he could add some targeted exercises, such as letting the students use small cubes to piece together three-dimensional figures according to the given figures observed from three directions, so as to gradually improve the students 'spatial imagination. - The control of teaching time still needed to be further optimized. Sometimes, during the group exploration session, the students 'discussion was too enthusiastic, resulting in a slightly tight time for the subsequent consolidation exercises. It was necessary to better guide the students to complete the task within the specified time. 3. ** Modification measures ** - For students with weaker spatial imagination, more physical models or multi-media animations could be provided to help them better understand the conversion process from three-dimensional to two-dimensional and from two-dimensional to three-dimensional. - During the teaching process, the time of each teaching segment should be arranged more reasonably, and the possible situations of each segment should be pre-set in advance to ensure the smooth progress of the teaching process. At the same time, when the students worked together in groups, they had to patrol and guide them in a timely manner to improve the efficiency of group cooperation. <a href="/?from=ask_words" style="color:red" target="_blank">Read more exciting novels for free</a>
The following is a lesson plan for a large class mathematics observation game: * * 1. Teaching objectives ** 1. Through the game activities, the children's observation, judgment and hands-on operation ability were cultivated. 2. Stimulate children's interest in mathematics activities and improve their enthusiasm for participating in mathematics activities. * * 2. Teaching preparation ** 1. Prepare a number of cards of various colors and shapes (such as triangle, circle, square, red, blue, green, etc.). 2. Number cards 1 - 10. 3. Small toys (such as small cars, small dolls, small building blocks, etc.). * * 3. Teaching process ** #(1) Diagram Observation Game 1. Show the graphic card He mixed the different shapes and colors of the cards and displayed them in front of the children. 2. Guiding Observation and Questioning - Ask the child to carefully observe these figures and tell them what shapes and colors they see. For example,"Children, look at these cards. Tell the teacher what shapes are there? Is there a red card?" - He asked some questions of comparison, such as,"Which type of card has the most cards? Which color is the least?" 3. Infant Operation Ask the child to put the cards of the same shape together, then put the cards of the same color together, and then count the number of cards of each shape and color. #(2) Number Observation Game 1. Show the number card He took out a numbered card and placed it in front of the child in a random order. 2. Observing and searching - The teacher said a number and asked the child to quickly find the corresponding number card. For example,"Please find the card with the number 5." - Then let the child observe these number cards and say the relationship between the adjacent numbers, such as: "What is the number after the number 3?" 3. Number Ranking Game Ask the children to arrange the number cards in order from small to big or from big to small. #(3) Toy-watching game 1. display toy He placed the various small toys that he had prepared on the table. 2. observation and description - Let the child observe the toy and describe the shape, color, material, and other characteristics of the toy. For example,"What color is this car?" Is it made of plastic or metal?" - He raised the question of comparison between different toys, such as,"What's the difference between a small toy and a small building block?" 3. classification game Ask the children to classify the toys according to their own standards, such as by color or by purpose, and ask the children to state the basis for the classification. * * 4. Reflection on Teaching ** 1. the key of success - In the process of playing, the children showed high enthusiasm and participation, and could complete various observation tasks well, indicating that this play-based teaching method was suitable for the learning characteristics of the children in the upper class, which could attract their attention and stimulate their interest in learning. - Most of the children could accurately observe, describe, operate, and judge in the observation game of figures, numbers, and toys, indicating that the teaching goal was basically achieved, and the children's observation, judgment, and hands-on operation ability had been trained to a certain extent. 2. deficiencies in - Some children did not have a clear understanding of the concept of adjacent numbers in the number observation game, and they also made some mistakes in sorting the numbers. Perhaps they were not familiar enough with the size relationship of the numbers, so they needed to strengthen the practice of comparing the size of the numbers in the follow-up teaching. - In the toy observation game, it was found that the children's vocabulary for describing materials was relatively lacking. Perhaps it was because they did not have enough knowledge in their daily life. In the future, they could add some simple introductions to the characteristics of different materials in the teaching. 3. improvement measure - For children who could not grasp the concept of numbers well, they could design some small games that specialized in comparing and sorting numbers, such as number solitaire, so that they could deepen their understanding of the relationship between numbers in the game. - In the future, he would guide the children to come into contact with different materials and enrich their vocabulary. For example, he would introduce the materials of the objects around him in daily life to help the children better observe and describe them. <a href="/?from=ask_words" style="color:red" target="_blank">Read more exciting novels for free</a>