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Mathematics teaching plan for middle class sheep crossing the bridge
I. Activity objectives:

1. Review ordinal numbers, understand the order of numbers within 10, and know whether they are ordinal numbers or reciprocal numbers, so as to develop the agility and logic of children's thinking.

2. Improve hands-on ability in operation, stimulate interest, and learn to express operation results boldly.

3. Be interested in examples of using ordinal numbers and reciprocal numbers in life, and learn to use ordinal numbers and reciprocal numbers in game activities and life.

Second, the activity preparation:

Materials preparation: a lamb crossing map, a lamb card, operating materials (digital cards), building blocks, colored beads, poker, etc.

Experience preparation: the child has mastered the points within 10 and has a strong interest in mathematics learning.

Environmental preparation: create a relaxed and harmonious psychological environment for children; Add operation materials suitable for children's numbers in the corner.

Third, the activity process:

(a) Start: Create a situation

Teacher: One day, the lamb wants to visit the elephant's house. There is a big river in the middle, trying to cross a colorful Gao Qiao. How did uncle worker design this bridge?

(Children speak freely, the teacher concludes)

Teacher: The first step on this bridge is 1 brick, the second step is 2 bricks, and the tenth step is 10 brick. What do you mean by 1- 10 written on the top brick of each step?

(Children discuss freely)

Teacher: 1 can mean 1 brick, or it can mean the first step. 2,3,……

(b) Basic part: counting steps

1. Children and teachers count steps together to find out the difference between getting on the bridge and getting off it.

Teacher: The lamb begins to cross the bridge (the teacher puts the picture of the lamb on the first step). Let's count them together. How many steps did it take on the bridge?

Children:1-2-3-4-5-6-7-8-9-10, getting off the bridge:10-9-8-7-6-5-4-3-2-10.

Teacher: Lamb thinks it's really interesting to cross the bridge. If he wants to do it again, the children can cheer for him together. (Please come on stage and operate the picture lamb yourself.)

After two trips, the lamb felt very strange. What strange places did the children find?

(Children discuss freely)

2. The teacher summarizes the serial number and the countdown, and practices the serial number and the countdown in groups for many times.

(1) Teacher's summary: When we count, we can count backwards or backwards, that is, from the larger number to the smaller number one by one.

(2) The teacher will count down when getting on the bridge, and the children will count down when getting off the bridge, and then rotate.

(3) Children are grouped, such as the first group 12345, the second group 6789 10, the third group 109876 and the fourth group 5432 1.

3. The lamb went home and crossed the bridge to consolidate the review again.

Put the picture lamb in the fifth step. When the lamb came home, it had finished the fifth step. Will the children help her get on and off the bridge?

The teacher then puts the picture lamb on another step, and the children then count. You can also let children operate on the blackboard)

Summary: Lamb thinks it's really interesting to cross the bridge, and there is a secret of countdown.

In our life, there are also many examples of countdown: New Year countdown, traffic lights. Ordinal numbers and reciprocal numbers are often used in our lives, which can help us do something better.

(C) End: game integration

See who takes the longest ride and experience the thrill of countdown in the game.

1. Countdown to 10 seconds to build blocks and choose the first place in each group.

2. The first place in each group will be in the final, and the third place will be decided.

3. Children count down to organize building blocks.

Fourth, activity extension.

(1) Cubic building blocks can be used as bricks, and concave building blocks or rulers can be used as bridge slabs, so that children can build small bridges by themselves. It is also possible for several people to work together to build a Gao Qiao with many small squares, from which the spirit of cooperation can be cultivated. After individual or cooperative bridge construction is completed, they can play the game of getting on and off the bridge and several steps.

(2) Add colored beads, digital cards and poker in the corner for children to practice independently.

"Colored beads": Please arrange the colored beads in the order from most to least, then count the number of each bead, put the corresponding digital card on it, and then count them in the order from most to least. The perception of countdown is getting less and less.

"Poker Solitaire": arrange the solitaire of playing cards in order (can count backwards or forwards).

"Digital card": Small numbers are arranged in a row, so that children can observe what rules it is arranged in. Children who find this rule can fill in the small numbers in the blanks.

(3) You can learn to count backwards, count backwards and count backwards in your daily life, such as going up and down stairs and up and down slopes.

Activity analysis of verb (abbreviation of verb)

(A) analysis of design intent

1. Activity content analysis

The Guiding Outline of Kindergarten Education points out that the choice of kindergarten education activities is not only close to children's life, but also helpful to expand children's experience and vision. The content of "Lamb Crossing the Bridge" comes from children's life, and crossing the bridge is a life experience for every child. According to the characteristics that children like to play middle school and study, we should choose, design and organize activities that meet the needs of children's life and growth, so that learning and life can be integrated and life can be used.

Reasonable storyline and spiraling teaching goal meet the performance requirements of children's emotional rise, so that children can not only enjoy the fun of mathematics activities in an interesting and fun environment and improve their performance ability, but also master the related knowledge of ordinal number and reciprocal number and know its application in life.

2. Sub-analysis

The children in the middle class are lively and active, like to learn new things and have a preliminary sense of social responsibility. They feel happy when they help their peers. The children in the middle class have mastered the points within 10 and are interested in learning mathematics. The author created a situation to help the lambs cross the bridge together. In the process of helping the lamb cross the bridge, he learned the countdown and countdown within 10.

3. Design conception

The syllabus emphasizes children's active learning and reforming teaching methods, and should not adopt a single form of preaching. On the contrary, efforts should be made to organize various forms of activities suitable for children, which will have a qualitative impact on children and enable them to acquire certain knowledge and skills. The organization of activities should fully consider children's learning characteristics and cognitive laws, pay attention to fun and activity, and integrate education into life and games.

Under the guidance of this idea, the author analyzes various elements in the design of mathematical activities, creates the situation of lamb crossing the bridge, and lets children master the knowledge of ordinal number and countdown in a relaxed and happy game atmosphere through the arrangement of getting on the bridge and getting off the bridge. In the activity, the teacher appeared as a guide to inspire children to think about the difference between ordinal number and reciprocal number and its application in real life.

(b) analysis of activity objectives

According to the age characteristics and actual situation of the children in the middle class and Bloom's classification of educational goals, under the guidance of the Guiding Outline of Kindergarten Education, in order to achieve the ultimate goal of mathematics education, I have determined three goals: cognition, emotion and skills, which are independent components and integrated with each other. The goal of the activity is: 1. Review ordinal numbers, understand the order of numbers within 10, and know whether they are ordinal numbers or reciprocal numbers, so as to develop children's agility and logic in thinking. 2. Improve hands-on ability in operation, stimulate interest, and learn to express operation results boldly. 3. Be interested in examples of using ordinal numbers and reciprocal numbers in life, and learn to use ordinal numbers and reciprocal numbers in game activities and life.

The goal 1 is a cognitive goal. Review the ordinal number by observing the characteristics of Rainbow Bridge and introduce the activities. Then focus on encouraging children to learn, understand and master countdown and countdown in situations.

Goal 2 is a skill class goal. Through various forms of operation and practice, learn to count down and count down, stimulate children's desire to learn, and learn to participate in expression boldly and actively.

Goal 3 is an emotional goal. Through the creation of situations, children can enjoy the fun of mathematics activities in an interesting and fun environment and improve their performance ability. Interested in mathematical phenomena in life.

The focus of this activity is the study of reciprocal, and the author has arranged various practice forms of ordinal number and reciprocal. Get to the point in various forms of practice.

The difficulty of this activity is counting backwards, which requires some reversibility of thinking. Help children correctly understand the meaning and concept of countdown when counting backwards.

(c) Activity preparation analysis

According to the characteristics of material selection and design content, the preparation of this activity can be divided into experience preparation, material preparation and environment preparation according to teaching needs.

The first is experience preparation. The "Outline" points out that teaching design should be based on children's original experience, not only to understand children's existing experience, but also to provide new experience. Children have mastered the points within 10 and have a certain interest in mathematics learning. On this basis, teaching children to learn ordinal numbers and reciprocal numbers can further establish and consolidate their concept of numbers and develop their logical thinking ability (such as reverse thinking ability).

Secondly, material preparation. There are operating materials (digital cards), multimedia materials, building blocks, colored beads, poker and so on. Rich in materials and strong in functionality.

Finally, environmental preparation. Create a relaxed and harmonious psychological environment for children; Add operation materials suitable for children's numbers in the corner. Before the activity, arrange the children in a semicircle, so that the children are in the teacher's field of vision. When teachers pay more attention to children, children can contact teachers more conveniently and intuitively, which is more conducive to the interaction between teachers and students in activities. Creating a relaxed and free atmosphere is conducive to children's free choice, exploration and discovery.