Handout of "Understanding Single and Double Numbers" in Mathematics for Large Classes 1 1. Textbooks.
In a "stop reporting" activity, children began to count from 1 to 40. In order to cooperate with the next rhythmic performance and expand the activity space, I said, "odd children, please take a step forward." Son, you look at me, I look at you, and then ask me, "Teacher, what is singular?" I suddenly realized that they had no experience in this field.
Knowing odd and even numbers is one of the mathematics contents of kindergarten classes last semester. Mathematics activity itself is logical, and it is easy to be boring in teaching, which affects children's initiative and enthusiasm in learning. The outline clearly points out: "The goal of mathematics education is to feel the quantitative relationship of things from life and games and realize the importance and interest of mathematics." Under the guidance of this spirit, I conceived the content of this activity and established the basic goal:
1, know even and odd numbers within 10;
2. Cultivate the ability of thinking, induction and exploration;
3. Exercise the activity ability of big muscles.
According to the goal, I focus on the ability of children to master whether any number within 10 is singular or not, even in personal calculation.
The difficulty of the activity is that children can sum up the arrangement rules of odd and even numbers within 20 according to the sorting rules.
The children in our class are particularly eager for knowledge. In order to fully mobilize children's senses to participate in the activities, I have prepared the following materials: 10 dinosaur, a cloth bag, a child operator, two chessboards 1-20, digital cards 1-20, and a teacher's demonstration diagram.
Second, oral teaching methods
Interest is the best teacher, and games are activities that every child is interested in. In order to let the children master this boring concept easily and happily, I adopted the game method: dinosaurs are the topics that children like to talk about, and our class is carrying out the dinosaur theme, so when the children lined up in pairs to find small dinosaurs, the children were very enthusiastic, which immediately aroused the children's interest and enabled them to actively participate in the activities and become the masters of the activities.
I also use the operation method to let the children operate the visual teaching AIDS themselves: small animals are very interesting to children, so I have prepared many small animal cards for children to queue up to find small animals in pairs, thus finding that some animals have found friends (two small animals are a pair) and some have not found friends (a single one). In this way, children can explore boldly and actively, gain single or even experience in their own way, and truly reflect their dominant position in activities.
The children in our class have all experienced exploring crabs, cars and supermarkets. Therefore, in the whole activity, I give priority to encouragement, and guide children to perceive that the law of small animals queuing operation is that one is single, the other is right, and the other is single ... Then, I provide counting cards and 20 round cards to let children find odd and even numbers within 20. The whole process goes deeper and deeper. Know the odd and even numbers first, then explore the law, and then know the odd and even numbers within 20, so that children can experience the happiness of success in the process of breaking through difficulties, which is also in line with the concept that teachers should become supporters, collaborators and guides in learning in the syllabus.
In addition, I also use induction to guide children to sum up their own operation results and get the meaning of single and even numbers. This method can help children understand more complex mathematical concepts and improve their generalization ability.
The children in the big class already have strong self-esteem, so I also use the appreciation incentive method. Every time a child answers a question, I give a timely affirmation. I give the children who answered the wrong question this evaluation: your voice is really loud, you stand up straight, you are really brave ... face the whole, take care of individual differences, and make every child full of confidence.
Third, talk about teaching procedures.
In order to fully mobilize the children's various senses to participate in the activity, I adopted a method from easy to difficult and interlocking to organize the activity.
(1) Touch your pockets to stimulate your interest.
The magic flute is an animation that children like, so I asked in a mysterious tone, "Look, this is the magician's pocket, what will be hidden in it?" The children scrambled to touch their pockets, which immediately mobilized their desire to participate in activities. Use children's favorite dinosaur to review the count within 10, and children can count happily and seriously. Combined with children's daily life experience of doing exercises and walking hand in hand, I created a problem situation: only two dinosaurs can pass through the cave at a time. Ask children to line up for dinosaurs, leaving a foreshadowing for the study of even and odd numbers, so that math activities can become lively and interesting from boring.
(2), children explore the operation.
"Practice makes true knowledge", the child's own exploration and discovery of the answer, gave the child a very deep impression. First of all, I use the demonstration method to let the children observe first: How are the small animals arranged? (vertical line from 1 to 10) and calculate the number of animals in each column. I also asked two children to queue up to buy small animals. The first child lined up for three rabbits, and he did what I expected. The second child lined up five puppies. He surrounded the upper two puppies, the lower two puppies, and the middle one came out alone, which was not conducive to all children's observation at a glance. So I led the children to discuss: how to turn around without leaving a small animal behind? Children talk about circles from top to bottom and from bottom to top, so that children know the quick operation method. I immediately gave them the number 1- 10 and the same number of small animal cards for them to operate, so that the children could become the masters of the activities and gain mathematical knowledge and experience.
(3) Learn the concept of odd and even numbers.
In this link, the observation method of free exploration is adopted, so that children can tell their own operation results: which animals have found the right ones? What are their numbers? What animal came out without finding the right one? What are their numbers? Organize children to discuss with each other and learn to communicate in a relaxed and pleasant atmosphere. When I asked the children to circle a single animal with corresponding numbers, a problem appeared: some children circled the number 1- 10. "Problem solving should be the center of mathematics curriculum". I asked the children to have a group discussion and asked each group to choose a team leader to report the results of their group discussion. One group said, "Circle one by one, cover the next one with your hand, and circle the next one." The other group said, "Associate a single animal with a number ..." I analyzed everyone's speeches with my children, and explained and guided the children who made mistakes separately. Finally, teachers and students summed up the meaning of odd and even numbers together, which deepened children's understanding of odd and even numbers and developed their mathematical and logical intelligence.
(4) find a pattern.
This is the difficulty in the activity. First, let the children look at the picture and tell what is odd and even, then look at the picture and tell whether a number is odd or even. According to the characteristics of children's thinking from image to abstraction, I changed the picture into a digital card, so that children can identify odd and even numbers, so as to guide children to naturally draw the arrangement rules of single and even numbers. The result is that children can tell whether the odd number is 1, 3, 5... 19, and the even number is 2, 4, 6...20 within 20, but if they leave the picture, they can ask whether 7 is odd or even ... children will make many mistakes. Teachers should give children the right to make mistakes and take their mistakes as clues to their level of thinking and understanding. When a child makes a mistake, the teacher should not ask the child to give the correct answer, because asking questions will make the child cautious and lose his psychological security. I didn't chase after the answer, but let all the children collectively correct their mistakes.
(5) game: jumping the grid.
Dewey said: The game is like a "sugar coating", which tempts children to swallow the "bitter medicine" that was originally difficult to swallow. This sports meeting is a test activity. On the basis of finding the arrangement law of single and double numbers, children "jump out" of single and double numbers. In the game, children must obey the rules and be humble to each other, so as to improve interpersonal intelligence and develop physical intelligence.
Fourth, reflection on speech activities.
1, the whole activity is clear-minded, and children's daily life experience is combined to learn odd and even numbers. The application of observation, induction, operation, games, appreciation and encouragement, especially operation, is an indispensable method to break through the predicament. Because in the operation, it can arouse children's active exploration of thinking, and the teacher guides children to discuss the operation results, so as to help children sort out their experiences and clarify their concepts.
2. Children can actively participate in activities and queue up to find small dinosaurs and animals, and children show high emotions. The use of teaching AIDS conforms to children's age characteristics, and children can do it independently with intellectual efforts. In the operation, children can use their brains to explore knowledge, gain experience, and use various senses to participate, and a variety of intelligence has been developed and improved.
3. The difficulty is not satisfactory. First of all, the teacher is not skilled and agile, which limits the discontinuity of children's thinking; Third, when children sum up the arrangement rules of odd and even numbers in 20 years, the time is hasty and the method is single, which causes children's incomprehension, so they should put more teaching AIDS. How can children accurately grasp whether any number is singular or even? This is a question that I will seriously consider and explore next.
This activity starts with a game and ends with a game. The whole activity runs through a series of alternating games, combining children's daily life experience and dinosaur theme, so that children can master even and odd numbers in a relaxed and happy atmosphere. Colorful forms make abstract mathematical knowledge vivid, which makes children more acceptable and more fond of learning.
Hello, everyone. Today, the content of my class is the math activity "Singularity and Even Numbers" in the big class.
Say textbook:
1, content analysis of teaching materials: Mathematics itself is logical, and it is easy to be boring in teaching, which directly affects children's autonomy and enthusiasm in learning. The mathematical concepts of singular and even numbers are abstract to children. How to integrate boring math activities into children's lives and stimulate children's interest in math activities? The Outline of Early Childhood Education points out: "Feel the quantitative relationship of things from life and games, and realize the importance and interest of mathematics." According to these and the age characteristics of the children in this class, I mainly let the children discover by themselves through hands-on operation and games, learn from the discovery, master the parity and understand the meaning of the parity. According to the content of the textbook and the actual situation of the children in this class, the objectives of this activity are formulated as follows:
(1), distinguish odd numbers and even numbers within 10 through children's hands-on operation and games.
(2) Stimulate children's interest in participating in mathematics activities, and cultivate children's ability of positive thinking, unity and cooperation.
2. Teaching emphases and difficulties:
The main purpose of this kind of teaching is to let children distinguish between odd and even numbers within 10. According to the situation of children in our class, I think the difficulty should be that children understand the meaning of even and odd numbers.
The methods used to break through the difficulties are mainly through children's hands-on operation and comparison to draw conclusions.
3. Activity preparation:
(1), some gobang, 1- 10 digital card, even-odd Chinese character card.
(2) There are several magnetic plates for small animals.
Oral English teaching methods and learning methods
In order to help children master the teaching key points and break through the teaching difficulties, children are always the main body in the activities. According to the intuitive visualization and intuitive principle of children's cognitive process, children are mainly guided to find the difference between single and double numbers by combining hands-on operation with listening and speaking, so as to understand the meaning of single and double numbers and correctly distinguish the single and double numbers within 10. Follow the principle of activity in activities, and comprehensively use the methods of discovery and game to promote children's active learning through operational activities and verbal activities; Follow the principle of enthusiasm and use a variety of activity materials to stimulate children's interest in learning.
Say activity process
First, import
Children, there are three guests in our classroom today. Guess who they are? Little pig, click the mouse and three little pigs fly in. These three little pigs are very busy today. Do you want to know what they are doing? Now the teacher will show the children what they are doing.
Second, watch the animation and answer the questions.
Do you know what the three little pigs are doing after watching the cartoon? (Divide the fruits) According to what? What is singular? What is an even number? The teacher guides the children to answer!
Third, explore odd and even numbers.
(1) Divide the corresponding items one by one according to the way that pigs divide fruits in cartoons. (No.1- 10)
(3) The teacher counts the results on the blackboard to make the children understand that 1, 3,5,7,9 is singular. Numbers 2, 4, 6, 8, 10 are even numbers. And let children feel that singular and even numbers can be changed. Adding a number to an even number will make it singular, and adding a number to an odd number will make it even.
Fourth, save the pigs.
Mother pig called and said that three little pigs were put into the wolf castle by wolves. There is a big river to wolfsburg. We can only reach the Wolf Castle by stepping on strange stones, or mother pig will fall into the river! Mother pig didn't know what kind of stone to step on, so she asked our children to help.
5. Find physical odd and even numbers.
Odd and even numbers are hidden everywhere around us, even on us. Think with your clever little head and tell everyone what you have found. Talk about the use of odd and even numbers, odd and even numbers in life.
Operation of intransitive verbs
Mother pig arrived at Wolf Castle, but the gate of Wolf Castle could not be opened without a password. Distribute homework papers and let the children color according to the requirements of odd and even numbers. If the painting is right, the door of Wolf Castle will open automatically, and the three little pigs will be saved!
Lecture Notes of Big Class Mathematics 3 "Understanding Single and Even Numbers" Dear judges and teachers, I am candidate N, and the topic of my speech today is: Understanding Single and Even Numbers.
First of all, talk about textbooks.
Understanding single and even numbers is a mathematical activity of the middle class in the field of science. The new "Outline" puts forward: "Education and teaching must make children interested in the number, quantity, shape, time and space of the surrounding environment from life and games, construct a preliminary concept of number, and learn to solve some simple problems in life and games with simple mathematical methods. Knowing odd and even numbers is an essential teaching activity for children aged 5-7 in mathematics teaching. At the same time, children of this age often make mistakes of one kind or another because their life content is constantly enriched and they don't understand the actual meaning of parity. In order to let children deal with the odd and even numbers in life correctly, I conceived this teaching activity.
Second, talk about children.
The new "Outline" puts forward: "Teachers should guide children to actively explore various things in a good environment and promote the harmonious development of children's body and mind." The seeds of abstract logical thinking have appeared in the thinking of large class children. When they know things, they can not only perceive the characteristics of things, but also make preliminary induction and reasoning. The activities are irrigated by games, with children's extensive participation, facing the whole people and stimulating children's initiative. In activities, we should respect children's individual differences. Because children's life background and knowledge level are different, teachers should pay attention to individual counseling in the process of participating in teaching activities.
Third, talk about the goal of the activity.
The goal of educational activities is the starting point and destination of educational activities and plays a leading role in educational activities. I set the following goals according to the characteristics of large class children, namely:
Children of 1 can skillfully distinguish odd numbers and even numbers within 10 through operations and games.
2. Cultivate the flexibility of children's thinking and improve their ability to analyze and summarize in mathematical activities.
3 children experience the fun of participating in math activities in games.
According to the goal, I focused on the activity: children can tell whether any number within 10 is singular or not in the game, even through personal operation.
The difficulty of the activity is that children can successfully solve some problems in the game according to the sorting law of single and even numbers.
Fourth, talk about activity preparation.
In order to better carry out the activities, I have made the following preparations:
One odd or even ticket per person.
Courseware happy short film
One child operation card per person.
Verb (abbreviation for verb) Speaking and teaching methods
The teaching methods I adopted in my activities are: based on the happy teaching method, creating situations and designing colorful courseware, so that children can learn new knowledge in the situations created by the courseware. Game method: arouse children's initiative and enthusiasm through games.
Six, said the learning method
In the activity, children's learning methods are:
Game experience method: Games are children's lives, so that children can feel the joy of learning in games. Deepen and make up for children's incomplete cognition of single and even numbers through experience.
Operation method: Let children think, turn around and talk by hands-on, and guide children to explore new knowledge through their own experiences by moving their eyes, ears, brains and mouths, which not only activates their thinking, stimulates their cognitive interest, but also gives full play to their learning enthusiasm.
Cooperative discussion: In the whole teaching process, teachers will never replace children who can think independently and explore cooperatively. Children and children share their ideas and opinions with each other, so that children can do more hands-on, practice, explore independently and learn cooperatively.
Seven, said the activity process
(A), create a situation to stimulate interest.
We adopted the children's favorite animated character Xiyangyang as an introduction. Are you happy that Xiyangyang took us to the animation park? It gave each of our children a ticket to the park, because there were too many children, and we had to take the bus according to the number on the ticket. Through the teacher's setting, this requires the children to know whether the ticket number in their hands is odd or even, thus leading to the theme of this activity.
(2) Self-participation, exploring new knowledge: Children summarize the characteristics of even and even numbers through personal operation.
In this part, I pay attention to guiding children to observe some odd or even items on the courseware and explore the characteristics of single and even numbers. After that, let the children do a circle by themselves, talk about it and share their findings with their partners. At this time, some children will find that 8 is an even number, because two circles have just been drawn, while other children may circle 7 or other numbers. I fully considered this point in the teaching design, and the teacher made up for the child's incomplete cognition in the process of speaking. In this way, the child's thinking is orderly. In the hands-on situation, children actively explore and find that they gain experience in their own way, which fully embodies the principle of children as the main body and teachers as the leading factor. This is more memorable than the teacher giving the answer directly.
(3), the game solid new knowledge:
In this session, the game goes from shallow to deep: first find singles and doubles on yourself, and then find singles and doubles in the classroom. Then play games: when you see odd numbers, a person stands still; Find a companion to hug when you see even numbers. This game is the key link of the activity, so that children can use different body movements to further feel and express the difference between single and double numbers. With the deepening of the difficulty of the game, the interest is more intense. The game in this link makes the children's mood high, and the initiative and enthusiasm of the activities are obviously enhanced.
(d) Children summarize the sorting rules of odd and even numbers through personal operation.
It is the difficulty of this activity to guide children to discover the arrangement law of even numbers and express it clearly and correctly. By solving this problem, children can really master odd and even numbers.
The teacher shows the number plate of 1- 10, arranges it in order from small to large, and buckles it on the blackboard. Ask children to manipulate numbers from easy to difficult in the game: teachers ask questions to stimulate children's interest;
(1) Who can find all the odd numbers? Can you find all the even numbers? In the process of operation, children summarize the arrangement law of odd numbers and even numbers;
(2) The teacher turns the numbers on the blackboard again: let the children turn out the smallest singular number; Maximum singular number: minimum even number; Increase the difficulty in turn. Difficulties were broken one by one, and children experienced the joy of success. )
(5) At the end: If you know the odd and even numbers, please take the ticket in your hand and take the bus according to the odd and even numbers. Let's go to the animation park with Xiyangyang.
Eight. Expansion of activities
Materials that can do adjacent operations are set in the active area. Let children consolidate their knowledge of odd and even numbers in regional activities.