The relationship between graphics: activity design of large class teaching plan 1
The children in the big class have a preliminary understanding of some basic plane graphics, their abstract thinking ability has been further developed, and they have become interested in the division and combination of graphics. This activity is specially designed to deepen children's understanding of the relationship between graphics, help children understand the relationship between graphics and promote the development of children's flexible thinking.
moving target
1. Learn to divide and combine graphs and find the relationship between graphs.
2. You can change a graph into various graphs with different numbers.
3. Creatively use various graphics to combine object images.
Division and combination relationship between active key graphics.
Combination innovation of difficult graphics in activities.
Activities to be prepared
Teaching AIDS: courseware, square cardboard, camera.
Learning tools: Each child has a square piece of cardboard and a pair of scissors.
Activity process
First, find the graph.
Teacher: Today, the teacher brought you a new friend. Look! who is it? Have you ever seen a robot? Where have you seen it? So what's the difference between this robot and what you have seen before? What is this made of? Find out the patterns of various parts of the robot body. See which part of the robot is round.
Second, children operate to explore the changes in graphics.
1 10% discount.
(1) Shall we do a magic trick? (Give each child a piece of paper) What number is this? The teacher told you that it still has magic. As long as you fold it by hand, it will become two other shapes. Let's fold it and see what it will become. Two figures.
(2) Children begin to operate freely and explore the changes of graphics. Teachers observe and guide.
(3) Children demonstrate the result of the change, and a square becomes two figures.
(4) Try to fold the useless method just now.
2. cut it off.
(1) Cut it with scissors and turn a square into two figures.
(2) children's hands-on operation. Teachers observe and guide.
(3) Tell me which two figures have changed from your square? Show children's works with different tailoring.
3. compare it.
Compare two cutting diagrams. Are they the same size? What did you find? Whose two numbers are the same size? A square can be folded in half and cut into two figures of the same size. )
4. Fight.
What kind of graphics can be made by splicing two cut graphics into one? (The two figures after square cutting can also be combined into the original picture. )
Third, the graphic baby has changed a lot.
1. Now, if you continue to change the cutting pattern, what pattern can you change? Count how many figures do you have now? You guys are amazing! A square can change so many figures.
2. Graphic collage.
Spell on the table with the figures in your hand, and you can combine them into a figure or a picture. See whose works are different from others and whose are more creative.
3. Show the works and share the communication.
Fourth, activity extension.
Please try to cut, spell and compare rectangles, triangles, trapezoid and circles.
The Relationship between Activity Objectives of Teaching Plan 2 in Graphic Large Class
1, which can transform common graphics into different numbers of various graphics, and find the division and combination relationship between graphics.
2, can creatively use all kinds of graphics to combine object images, and learn to count the graphics according to certain rules.
3. Fully experience "science is at hand" and generate interest in discovering, exploring and communicating in life.
4. Be able to explore and understand simple scientific phenomena through experiments in situations, and be willing to express their findings in their own language.
Activities to be prepared
1. Teaching AIDS: Paintings composed of triangles, rectangles, circles and squares.
2, school tools: a set of various graphics in the bag, scissors.
Activity process
(A) the introduction of songs, resulting in illustrated.
Teacher: It's time for children to explore scientifically. Let's sing together. Please enjoy the song "The Change of Shape".
(B) video import, consolidate the practice graphics
1, distinguish the relationship between rectangle and square.
2. Plane graphics can be found on the stereogram.
3. Consolidate four kinds of graphics and play games in the smart house.
4. Expand children's imagination and appreciate the graphics in life.
(3) Observe and think about the different uses of graphic babies.
L, ask children to use their brains and carefully observe what graphic robots, rockets and tanks are made of? (It is composed of circles, triangles, squares and rectangles. )
2. Children's discussion.
(1) How to remember your own puzzle method?
(2) How can I know how many graphics are used?
3. The teacher shows the statistics and asks the children to take notes.
(4) the second attempt
Use origami or paper-cutting games to see the changes in graphics.
Operation: Use your hands and brains to perceive graphic transformation.
(1) Ask your child to make a change (origami or paper-cutting).
(2) Let the children talk about the results of the change.
Square-divided into triangles and rectangles.
Round-semi-circular, fan-shaped.
Rectangular-into triangles and squares.
Teaching reflection:
In this class, I feel that my activity questioning has been greatly improved than before, and the effect of questioning is also very good. It can be said that under the discussion of everyone, the effectiveness of asking questions has been greatly improved. Children can not only talk, but also ask questions. Such free exploration activities attract children's attention and stimulate their enthusiasm for learning. In a relaxed and happy atmosphere, the children played their initiative in the activities, and their abilities were also developed to some extent.
The relationship between graphics: the implementation strategy of large class teaching plan 3
Mathematics is a subject with strong logical thinking. Children are young and have weak logical thinking ability. Therefore, their abstract generalization ability is also weak. Children's logical thinking is from simple to complex, from concrete to abstract, with concrete and vivid as the main form. In order to follow children's thinking characteristics, I should use various teaching methods such as stimulating interest, independent inquiry and cooperative communication to guide children to learn the relationship between graphics. At the same time, I also use multimedia courseware, graphics and pictures as auxiliary means to help children learn.
Teaching objectives
1. can transform common graphics into different numbers of various graphics, and discover the division and combination relationship between graphics.
2. Can creatively use all kinds of graphics to combine object images, and learn to calculate the number of graphics according to certain rules.
Teaching preparation
1. A painting composed of triangles, rectangles, squares and circles.
2. Everyone has a resource package of various graphics.
Teaching focus
Can turn common graphics into different numbers of various graphics, can creatively use various graphics to combine objects, and learn to calculate the number of graphics according to certain rules.
Teaching difficulties
Discover the division and combination relationship between graphics.
Activity process
Beginning part:
1. Game Import-Finger Game.
Teacher: Please welcome today's little guest (showing pictures of bears)
Teacher: Children, today is the bear's birthday. I want to take everyone. Do you want to go? But it has requirements. You have to go through three levels to get a gift. Do you have confidence? Let's hear what the first level is.
Basic part:
1. Level 1: Observe and think, and learn to count numbers according to certain rules.
(1) Show the small fish puzzle.
Teacher: What do you think this is, children? Who can tell me which graphics it is made of?
(It is composed of circles, squares, triangles and rectangles. )
(2) Let the children tell how many there are in each figure.
Teacher: Now I want to test the children's eyesight. Would you please count the number of each number? (circle, triangle, square, rectangle)
Teacher: Little friend, how did you count it just now? (Guide children to count from top to bottom or from bottom to top in a certain order)
(3) Show pictures and consolidate the numbers in order (let children feel that they are counting from left to right or from right to left).
2. Try the second activity: use the method of folding and cutting to see the changes of graphics.
Teacher: Children, let's clap for ourselves. Now Winnie the Pooh has thrown us a second problem, which is to change the graphics in the paper bag. Let's listen to its requirements.
(1) Make them look different by folding (each figure can only be folded once).
Teacher: Did you fold the baby? How did you fold it? Children, we have just done what the bear asked first, so let's hear what he wants.
(2) You can only cut it and turn the figure in your hand into two of the same size. Just cut each picture. )
Ask the children to answer this question and talk about the result of the change:
Square-divided into triangles and rectangles.
Round-semi-circular, fan-shaped.
Rectangular-into triangles and squares.
Teacher: The children did a good job. Let's tell Bear. Bear, we have finished your second request. Do you have any other requirements?
(3) Preliminary perception of the relationship between segmentation and combination.
Please put these two cutting patterns together and see what happens.
Teacher: We have done as the bear asked. Ask him if we can go through customs.
3. Level 3: Let the children cut the graphics into more graphics of the same size. Children are required to use the methods of cutting, spelling and comparison to further perceive the division and combination of graphics.
4. Finish the work and show it.
Play light music when the children finish their works.
Let the children put different graphics together with graphics, stick them on paper and show their works. (This link is adjusted according to time. )
Teacher: Congratulations on your successful customs clearance. You can come to my birthday party. Don't forget to bring a present.
5. Clean the venue and bring gifts to the party.
Teacher: Children, let's clean up the venue and take these works to bear's party!
Play music and take the children out.