It's defoliation season again, and children are always interested in defoliation. They pick up leaves together, some children play house games with leaves, and some children play counting games ... The scientific field of Guide points out that children should be guided to understand the concept of number by using the actual situations in life and games. This activity uses the fallen leaves in autumn to create a problem situation of "making a leaf necklace with fallen leaves", so that children can perceive the diversity of leaves through exploration and operation, try to understand the orderly law of ABAB, and the activity design is step by step, stimulating the challenge desire of large class children and experiencing the sense of success.

Activity objectives:

1. Perceive the diversity of leaf shapes and try to sort them according to Ababou's law.

2. You can actively explore in the activity and experience the fun of making leaf necklaces.

Activity preparation:

Maple leaf, ginkgo leaf, osmanthus leaf; Necklace picture; ABAB regular card; Large bamboo/wicker basket

Activity flow:

(a) Perception of leaf diversity

1. The teacher shows the leaves and tries to classify them.

Introduction: It's autumn, and some leaves begin to fall from the trees. Yesterday, the children in our kindergarten picked up many different leaves and brought them here. Would you please have a look, separate them and put the same leaves in the same basket?

2. Discuss communication and perceive the diversity of leaves.

Question: Do you know the names of these leaves?

(2) Arrange all kinds of leaves according to ABAB law.

1. Show pictures of necklaces and guide children to observe the arrangement of ABAB according to different characteristics.

Question: How are the beads arranged on these necklaces?

2. Show the ABAB method card to understand the meaning of ABAB method.

3. Children try to make leaf necklaces according to the different characteristics of leaves and the rules of ABAB.

(1) Description: The children in our kindergarten have heard that you are all smart and want to ask you to help make leaf necklaces.

(2) Children's production and teachers' observation tour.

4. Discuss and communicate: How is your necklace made?

(3) Arrange one kind of leaves according to ABAB rules.

1. Guide: Now the teacher is testing you. If I only give you one kind of leaves arranged according to ABAB's rules, is it ok?

2. Children try to do it, and teachers patrol and observe and guide.

3. Discuss and communicate: Who succeeded? How do you use the rule of excreting ABAB?

4. Summary: Some change the direction and arrangement of leaves, while others change the shape and arrangement of leaves. These necklaces are all beautiful. In fact, there are many interesting laws hidden in our lives. As long as we use our brains, you will make new discoveries.

5. Description: Put on a beautiful leaf necklace and let's go to the leaf dance.

Activity suggestions and extensions:

1. If there is enough space in the park, it is recommended to lead the children to pick and tidy the leaves under the tree.

2. Dress yourself up with necklaces made by children, hold a leaf dance, and show the works of this area after the activity to encourage children to challenge different arrangements.