Mathematics teaching activities in middle class 1
moving target
First, guide children to operate in kind. Learn the decomposition structure of 3 and understand the exchange law.
Second, cultivate children's understanding ability.
The key points and difficulties in teaching guide children to understand the relationship between adjacent numbers.
Prepare 1 small box, 2 small pockets and 3 apple pictures for each child.
Activity process
(1) Decomposition 3.
1, which leads to the topic in the form of telling stories.
Teacher: It's autumn, and the apples in the orchard are all ripe. The uncle in the orchard picked apples for each of our children, but the uncle in the orchard said that only by answering the questions correctly can we "eat". Look, everybody. How many apples are there in your little box?
(Let the children answer while counting)
Teacher: Our parents have worked hard all day. Let's put it in two pockets and take it home for them to taste, shall we? The child replied.
Teacher: Now let's see how much we can divide in each pocket. (Let the children do it themselves)
3. Guide children to tell how they divide apples. And guide children to understand that 3 can be decomposed into 2 and 1, 1 and 2.
(2) Learn the subtraction of 3.
1. The teacher asked a child to talk about the three apples that Uncle Orchard gave us. A bag is for dad. How many bags should mom have? (Let children operate, count and talk) 2. Guide children to learn the subtraction formula of 3 according to the decomposition formula.
(3 can be divided into 1 and 2,2 and 1, 3- 1 = 2, 3 can be divided into 2 and 1, 1 and 2,3-2 =1) 3. Guide the children to operate according to the teacher's story.
(3) Learn the addition of 3.
1, Teacher: Mom and Dad love us. Dad's apples and Mom's apples are put back in the box. Baby, now feel how many apples are in the box. (Let children operate, count and talk) 2. Learn the composition of 3 and let the children know that 3 is composed of 1 and 2 or 2 and 1. 1+2 = 3,2+ 1 = 33. Guide the children to operate according to the teacher's story.
(4) Consolidate exercises (interaction between teachers and children) Children's songs: How many can three children be divided into?
Teacher, I tell you, 3 can be divided by 1 and 2, and 1 and 2 add up to 3.
3 can be divided into 2 and 1, and the sum of 2 and 1 is 3.
Teaching reflection In this lesson, I establish and understand the meaning of numbers and symbols in a relaxed game through full physical operation according to children's thinking characteristics and learning rules, so as to help children really master the concept of numbers. In the activity, I chose a small box, an apple picture and a small pocket, which children are familiar with and like to play with. This can not only make children exercise the flexibility of small hand muscles in activities, but also integrate the collocation exercises of several things in mathematics into them, making mathematics activities more interesting. Interesting games stimulate children's desire to participate in activities and have fun in operation.
I am the introducer and participant of the activity, and I am the playmate of the children. When children have difficulty in activities, I am a little anxious and tell them repeatedly. At this time, the child seems to have no confidence. In the future teaching, I will give timely guidance and encouragement, and listen to the children's discussion and expression.
Teachers should have a tolerant heart. When we face all children, we should pay special attention to individual differences.
Middle school mathematics teaching activities II
First, the physical demonstration 1, (showing the round mirror) What is this? What shape is this mirror?
2. (Showing CD) What is this? What shape is this plate? What shape is the mouth of the plate?
Show the washbasin (same as above) 3. Teacher: Children, many things around us are round. Think about it. What round things have you seen? The teacher concluded: There are many round things, which can be seen at home, on the road, in kindergartens and in many places.
Second, the picture demonstration 1, showing the picture: there are round pieces of paper of various colors on the black floor.
Teacher: There are many beautiful papers, including red, blue, green and yellow. Let's see what shapes they are. These circles are big, small and smallest. (The teacher points out one by one with her hand) What do you think of these circles?
2. Show pictures: There are two circles on the black floor, the big red one and the small yellow one. Q: How many circles are there? Which is bigger? The little one? (Show the smallest 1 green circle) How many circles are there now? Which is the smallest circle? Say big circle, small circle and smallest circle with children. ) teacher: the child speaks very well. This is Dayuan, so we will call her Dayuan's mother. This is Xiao Yuan. We call her Bao. What about the smallest round? We call her the youngest round baby. Teacher: Dayuan's mother spoke. She said, "Xiao Yuan, my good baby, shall we play games?" Please come to my side and stand side by side. "The small circle rolled and rolled, and stood side by side with the big circle.
Yuanyuan's mother said: The youngest Yuanyuan baby, please come to my side and stand side by side. Let a child help the little round baby roll to his mother. Now, the three hospitals are very close.
Teacher: Mother Yuan spoke again: Baby Yuan, come here a little more. Let's dance hand in hand! The youngest round baby, come and dance hand in hand with your mother! Ask your child for help. Now three circles are dancing hand in hand.
Teacher: Mama Dayuan likes Baby Dayuan very much. She added, Baby Round, come in and sit on your mother. The little round baby rolled and rolled, and it all rolled into the big circle. The round mother said, the youngest round baby, come in, too! The smallest round baby rolled and rolled, and they all rolled into big circles.
Teacher: Mother Yuan is so happy. She said, Yuan Ying, come to your mother's arms, and she will hug you to sleep. The round baby rolled into the mother's body. Little round baby spoke: the youngest round brother, please come to my arms and let me hold you to sleep. That child will help little round baby. Ok, now the big circle holds the small circle, and the small circle holds the smallest circle. Three laps is really fun.
Third, children's operation exercises.
Each child has a set of learning tools and four colored circles of different sizes. Teacher: How many circles do you have, children? Would you please play games with them? Children play together by themselves.
Middle school mathematics teaching activities 3
Design background
Children have a vague understanding of left and right. I want to concretize and visualize the abstract concept of left and right through this activity with easy games, so that children can learn to distinguish left and right through their own personal experiences, and discover and understand the difference between self-centered and object-centered left and right.
moving target
1. Children can know the positional relationship between left and right with themselves as the center, and can distinguish left and right with objects as the center.
Be able to use left and right directional words correctly.
Important and difficult
Teaching emphasis: correctly understand and distinguish the positional relationship between left and right.
Teaching difficulties: being able to correctly use left and right directional words.
Activities to be prepared
Music tape "healthy songs", "looking for friends", little star patch, chair, animal pictures, small house.
Activity process
Start link: rhythm: do the action with the music "Health Song" to let the children experience the left and right.
Basic link:
1. Know your left and right.
(1) The teacher instructs the children to stick the little star on the hand holding the brush, and then asks the children to raise this hand, telling the children that the raised hand is the right hand and the other hand is the left hand.
Think about it, what do we often do with our right hand? What is our left hand doing when doing these things? The left hand and the right hand are good friends, and they are very powerful together. Look at your health, children. Is there such a good friend?
(2) Game: Listen to the password and make corresponding actions.
Touch the right ear, right eye and right leg with your right hand; Touch your left foot with your left hand. Left shoulder, right hand slaps left shoulder, left hand slaps right shoulder and right leg.
2. distinguish between left and right.
Play music games and change seats. Let the child feel that the right hand is right and the left hand is left.
(1). At the beginning of the music, while listening to the music, you can move freely around the chair and say nursery rhymes: children listen carefully, and the music stops to find the chair. When the music stopped, the children quickly went to the small chair and sat down.
(2) Let the children say: Who is on my left and who is on my right?
(3) Game: Small animals find homes (show small houses).
Help small animals find their homes according to the instructions: panda home is on the far left, chicken home is on the far right, rabbit home is on the right of panda home, and puppy home is on the left of chicken home.
3. Children perceive the opposite direction.
Music game & gt
At the beginning of music, children find friends while playing games. "Find a friend, find a good friend, salute, shake hands. You are my good friend. "
Ask questions; All the children shake hands with their right hands. What did you find? Is the right hand in the same direction? The child sensed its characteristics and found the opposite direction.
Summarize; We stood face to face, because the directions were opposite, so the right hand raised was just the opposite.
4. Understand the object-centered distinction between left and right.
The teacher lined up the pictures of dogs, kittens, rabbits and ducks. Let the children tell who is on the dog's left and who is on the right.
End the link; The children do actions with music and healthy songs to end the class.
Activity expansion:
1. Put the small animals in the activity area and let the children tell who is on the left and who is on the right.
2. Place the small animals according to the instructions.
Middle school mathematics teaching activities 4
Design intent
We designed a mathematical game activity with children's spring outing as the main line. Through various forms of exploration, we guided children to truly perceive the concepts of quantity within 8 and sorting by quantity.
Teaching objectives
1. Correctly perceive the numbers within 8, and try to sort them by numbers.
2. Willing to participate in mathematical operations, able to observe and distinguish carefully while operating.
Teaching preparation
Preparation of teaching AIDS: two sets of physical cards, quantity1~ 8; Lamb headdress; Wisdom stick.
Preparation of learning tools: group 1: 6 sets of fruit cards, quantity1~ 8; The second group: 6 sets of ladybug sorting materials; The third group: 6 sets of digital solitaire materials.
teaching process
1. Teachers and students * * * enter with the music of "Outing".
Teacher: Do you know what season it is, children? The scenery in spring is beautiful. Shall we go for an outing today?
2. Perceive the number within 8 collectively and rank it.
(1) Teacher: Let's line up and start! Look, what is this? (There is a red, yellow and green flag on each side) Please look at the color code on your hand. Please stand behind the flag of the same color and start!
Please count the children. How many ideas are there on your card? (Guide children to observe carefully and feel the number of ideas on the card) Tell me which team you are on. (Line up in sequence)
(3) Please look at the ideas in your hands and line up in the order from less to more.
3. Set the stage and help the lamb.
(1) Teacher: Lamb, why are you crying?
Lamb: The wolf lined up for me to ask questions and said that if I can't do it, he would come and eat me. Can you help me?
(2) Show the operation sheet to help the lambs solve the problem collectively.
Teacher: Let's have a look. What fruit is there on it? How are they arranged? How many fruits are there behind a pineapple? Why? Let the children talk and arrange the fruits.
(3) Say goodbye to the lamb and move on.
4. Come to the smart house.
Teacher: Hey, there is a smart house. Let's go and have a look!
(1) Sister Wisdom receives children and introduces the names and requirements of group activities:
The first group: the fruit babies line up (first look at the place where the red flag is inserted in the box, and then line up the fruit babies according to the number). )
The second group: line up the ladybug babies (first look at some ideas on the ladybug, and then line up the ladybug babies in order from the five-pointed star. )
The third group: queuing digital baby (look at the position of the locomotive first, and then queue up in numerical order on the carriage. )
(2) Children's operation and exploration. (Teachers tour to guide and help children with weak abilities. )
(3) Teacher's summary: Today, the children are great. They played three kinds of queuing games in the smart room, and many children lined up in the order from less to more. Think about it, children. What else can we do? If you think of other good ways, please tell us again, ok?
(4) Wisdom elder sister gives gifts.
The outing is over.
Middle school mathematics teaching activities 5
Activity objectives:
1, let children correctly perceive numbers within 6, and arrange objects in the order of increasing numbers (or from less to more).
2. Cultivate children's interest in mathematical activities and develop their thinking ability.
3. Cultivate children's ability to recognize numbers.
4. Guide children to actively interact with materials and experience the fun of mathematics activities.
5. Stimulate children's interest in learning.
Activity preparation:
Teaching AIDS: tape recorder, some physical tapestry cards, tapestry number 1-6.
Learning tools: operating materials, seals, pens and inkpad, one for each person. Everyone wears a red apple, a green apple and a yellow apple pendant (the number is 1-6).
Activity flow:
First, visit the orchard and introduce the theme.
1. The little monkey has an orchard at home. It planted many fruit trees in the orchard. Autumn has come, and its fruits are ripe. The little monkey wants to invite the children to visit the orchard. Do you want to go? (Thinking) Then let's go together! (as shown in figure 1)
2. What fruit trees do children have? Pear, persimmon, orange, peach, apple and banana trees. How many pears are there in that pear tree? How many are there in turn (persimmon, orange, peach, apple, banana)? Children: 1 pear, 2 persimmons, 3 oranges, 4 peaches, 5 peach apples and 6 bananas.
Second, arrange the fruits.
1, the fruits in the orchard are ripe, and the little monkeys pick them one by one; Picked 6 pots of fruit. (Figure 2) What fruit is the first pot? How many/much? How many? (The child answers) And so on, eat 6 pots of fruit.
The little monkey asked the children to help him arrange six pots of fruit in numerical order. How should he arrange them? (Single sub-operation)
3. Teacher's summary: In this way, 1 pear, 2 persimmons, 3 oranges, 4 peaches, 5 apples and 6 bananas are arranged, one is more than one, and we say it is arranged in an increasing order (or from less to more).
4. Show the physical cards and let the children judge whether the number of fruits in that row is arranged in ascending order. Why? And ask the children to arrange each row of fruits in the correct order.
Third, practice in groups
1, well, really wrong! The little monkey also brought some exercises to test the children.
Group 1: Fill in the blanks in order. According to the order of dots in the topic, print the corresponding dots in the blank.
The second group: connection. Match the numbers given in the title with the items one by one.
Group 3: Look at the numbers and draw circles. Draw a circle according to the numbers.
The little monkey also said that if any child did everything right, he would invite the children to his home!
2, children's operation, teacher tour guidance.
Fourth, activity evaluation.
Verb (short for verb) activity is over.
The children are great. Let's go to the little monkey's house by train. Now Mr Jia (yellow), Mr Wang (red) and Mr Pan (green) are locomotives. Please look at the numbers on the fruit tag on your chest and get on the bus according to the color and the order from small to large. It's time for us to start. ...
Middle school mathematics teaching activities 6
Learning:
= ≦, know what they mean.
Prepare:
1.6 recorded photos:
1)4 circles, evenly arranged in two rows, aligned up and down.
2)4 circles, one row 1 and the other row 1 3.
3) The three circles are arranged in zigzag. Note: The circles in the above three pictures are the same size.
4) 3 goldfish.
5) 2 goldfish in a row.
6) Two goldfish in a row. Note: The goldfish in the above three pictures are the same size.
2. Number plate 1-6, =, ≠ 2 sets per child.
Activities and guidelines:
1. Show the pictures 1 and 2, and ask the children to tell how many circles there are in each picture. (4) Are they as many? Tell the children that we call the same amount equal. Let the children follow them and say: they are equal. How to express equality? Put the equal sign between the two pictures. Teach children to know the equal sign: two lines are equal in length and the distance between them is equal in width.
2. Delete Figure 2 and the equal sign and replace it with Figure 3. Ask the students to say the number of circles in the two pictures. Are they equal? We use unequal symbols to indicate that the two sides are different. The teacher put an inequality sign while talking, and taught the children to know the inequality sign: draw a diagonal line on the equality sign.
3. Demonstrate and explain Figures 4, 5 and 6 in the same way.
4. Give children digital cards and symbols. The teacher reported the numbers and the children took the symbols.
The teacher quoted a number and symbol (and showed it) and asked the children to show another number card.
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