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With the help of life experience, guide children to know day and night. 2. Establish the concept of time through operational activities. 3. Understand the irreversibility of time and cherish it. Live broadcast?

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1. Experience preparation: Teachers and children collect pictures or photos about children's daily life together, and generate a wall decoration "My Day" through pictures or words. ? 2. Material preparation ①? PPT courseware "The Sun and the Moon", one anthropomorphic picture of the sun and the moon. ?

② Teachers use 1 pictures in the morning, during the day, at night and at night. ?

③ Word cards: "morning, day, night, night", headdress of small train, background music. (4) Children use a number of small pictures during the day and at night (equal to the number of children). ?

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Teaching children to know time is an important content of children's mathematics education. The teaching of knowing time can make children aware of the existence of time, develop their sense of time, establish the concept of time and develop good living habits. Children's understanding of the sequence and periodicity of time can deepen their understanding of the sequence relationship, the relationship between the whole and the part, and improve their thinking ability. The concepts of time and space are very abstract and difficult for children to understand. With the help of children's life experience and multimedia computer, the course perceives this phenomenon through interesting and vivid animation. Know morning, day, night and night, and sort them correctly.