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Anonymous users2024-02-12[Activity Goal].
1. Through manipulative activities, children can perceive that many objects (figures) can be divided into two and four parts, and perceive the relationship between the whole and the parts.
2. Explore a variety of methods of graphic equalization to stimulate children's equalization'Interest.
【Event Preparation】
Various shapes (rectangles, squares, circles), scissors, ppt related to teaching, and a magic bag are common to young children.
【Activity process】
1. Tell the story, use the story to introduce, and show PPT with the content of the story.
After telling the story design question: The head of the sheep village and the Pleasant Goat share the cake, and there are two people with the same amount, how to divide it?
2. Nominate 4-5 children to operate and display the results on the blackboard.
3. All children are invited to participate in the second division.
1) The teacher shows the "magic bag" to arouse the children's interest. Each group chooses a representative to touch the figure in the pocket, and what figure is touched, the group will divide the figure in two.
2) Toddlers try to divide in two.
3) How to divide the representatives of each group? How is it verified?
4. Compare and understand the meaning of bisecting.
The above-mentioned works of children's bisecting are selected as examples to guide children to understand the meaning of bisecting.
Teacher's summary: When we divide an object into two parts of the same size, it is called a bipolar division.
5. Quartering on the basis of the second division.
1) There are beautiful sheep and lazy sheep on the PPT, please think: There are four people at this time, how should the cake be divided?
2) Question: What is a quarter of a quarter?
3) Group discussion: How to divide the original second quarter? Discuss at least two approaches per group?
4) Children conduct quartile operations on the basis of discussion.
5) Children show the results of their operations.
6) Ask: How do you do the quaring? Invite the toddler to draw a picture on the figure.
6. Activity extension:
Showing irregular plasticine, can this be divided into two or four parts?
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Anonymous users2024-02-11[Activity Goal].
1. Encourage children to use a variety of methods (visual inspection, measurement, counting, folding) and other methods to boldly try to explore a variety of two-part methods to divide an object into two parts.
2. Experience the convenience and beautification effect that the second division brings to our lives.
event materials;
Teaching aids: 2 small ants, 1 cake, 10 equal picture cards.
Learning aids: rectangular paper, scissors, ruler, wool, wrapping paper; straws, discs, triangles, squares; coins, broad beans, snowflakes, buttons, small bowls; 6 measuring cups, scales, cakes, tomatoes, dried tofu, knives, cutting boards, plasticine, etc.
【Activity process】
1. The child divides the rectangular paper into two equal parts.
1) There are two young guests invited to the class, see who it is? They also bring their favorite food'Cake, but there is only one piece of cake, and both of them want to eat it, what should I do?
2) Ask a toddler to try it, is there any way to know that these two pieces are the same size? (Overlap).
3) Teacher's summary: Divide the cake into two parts of the same size, this method is called two equal portions. Think about it, in addition to this division, is there a different way to divide the cake? Each child has a rectangular piece of paper in front of them like a cake, please think of a different way to make two equal portions than others?
4) Children's hands-on operation, showing children's division. Ask the children to compare what changes between the separated figure and the original figure?
5) Teacher's summary: The children used half folds and diagonal folds to make two equal parts of the rectangular paper, and divided it into two parts of the same size.
2. Children operate in groups and try to use a variety of methods to make two equal portions.
1) Little Ant invites you to visit the Ant Kingdom, would you like to? When visiting, children should not push or squeeze, visit in an orderly manner, and see what is in the park? The teacher introduces the materials and asks the children to help them divide the contents into equal portions.
2) Children operate freely, and teachers focus on guiding balance weighing and physical division.
Group 1: Circles, triangles, squares, scissors.
The second group: wool, ribbons, straws, rulers, scissors.
Group 3: coins, broad beans, snowflakes, etc.
Group 4: measuring cups, water.
Group 5: Yuwu balances, plasticine, cakes, tomatoes, dried tofu, knives, cutting boards.
3. Children talk about the operation process and methods.
(1) The children have shared a lot of things, please think about what you have shared? How?
2) The children talk about various divisions, and the teacher guides the children to think about when they have used visual inspection and counting methods --- life
3) Teacher's summary: The children used visual inspection, folding, measurement, and counting to divide the things in the paradise into two equal parts.
4. The game "see who is right".
Little ant wants to play a game with you, could you please look at the graphics and tell me if it is a second part? Compare who is right and fast?
5. Extension
In life, in addition to the second part, how many parts can the return faction be divided into? We will continue to try the fourth and fifth parts in the future.
The comments and suggestions are as follows:Instructional design. Clear thinking, knowledge from shallow to deep: >>>More
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