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Unit 8 Understanding how to prepare lessons for clocks and watches
Teaching objectives:

1. Combined with students' life experience, let students learn to watch clocks and read the hour and half an hour.

2. Cultivate students' observation ability.

3. Cultivate students' attitude of cherishing time and good habit of arranging time reasonably.

Teaching focus:

Learn to know full-time and half-time by combining life experience.

Teaching process:

First, sing happy songs and guess riddles to stimulate interest and facilitate import.

Teacher: Children, today the teacher invited a good friend to everyone. It, with three legs, keeps running during the day and night, making beeping and beeping sounds to remind you that it is a good habit to go to bed early and get up early. Who knows what this is?

Health: alarm clock.

The teacher showed a real clock. Teacher: Yes, this is the clock. Do smart children know what clocks are for?

Health: ...

Teacher: Clocks and watches can tell us the time. People's work, study and life are inseparable from them. In this class, we will learn the clock together.

Write on the blackboard: Know the clock.

Second, explore independently and understand clocks.

(A) know the clock face

Teacher: The children take out the clock face model, have a look, dial it and talk to the deskmate. What's on the clock face? What did you find?

Students communicate and teachers patrol and guide.

Teacher: OK, stop. Please tell the children what's on the clock face. What did you find?

Health: ...

Teacher: The children spoke very well just now. Let's get to know the clock face.

Teacher: First of all, we see three hands on the clock face, a short and thick hour hand brother, a longer minute hand brother and a thin and long second hand brother. We will know the second-hand brother in the future.

Teacher: There are several numbers (12) on the clock face. These 12 numbers form a circle in descending order.

Teacher: Look again. Brother's hour hand and brother's minute hand are running. Who runs fast?

Health: The minute hand runs fast, while the hour hand walks slowly.

(2) Understand the whole time

The teacher set the alarm clock to 8 o'clock. Teacher: Excuse me, what time does the clock indicate at this time?

Health: 8 o'clock. Blackboard: 8 o'clock.

Teacher: What number does the minute hand refer to at the moment? ( 12)。 What number do the Clockhand brothers refer to? (8)。

Teacher: Next, I asked the children to come up and dial 3 o'clock. Blackboard: 3 o'clock.

Give birth to a dial.

Teacher: Do you agree?

Health: I agree.

Teacher: Please ask the children to dial 5 o'clock again. Blackboard: 5 o'clock.

Give birth to a dial.

Teacher: Do you agree?

Health: I agree.

Teacher: Well, the clock faces at eight o'clock, three o'clock and five o'clock are on the blackboard. Look at the clock face carefully and say, which means the minute hand points to the number?

Health: 12.

Teacher's summary: When the minute hand brothers on the clock face all point to 12, what time does the hour hand brothers point to?

(3) Part-time knowledge

Master set the minute hand and the hour hand to 12. Master: The minute hand brother started to run again, and the hour hand brother also left.

Teacher: When the minute hand points to 6, the hour hand is set between 12 and 1. Teacher: What time is it, little friend?

Health: 12: 30.

Teacher: Where do the hour hand brother and the minute hand brother point respectively?

Health: ...

The teacher dials half an hour to half past three, half past six, and then asks questions.

Teacher: OK, please look at the small blackboard. All the clocks on the blackboard are 12: 30, 3: 30 and 6: 30. Look carefully, children. What number does the minute hand point to at half time?

Health: 6.

Teacher's summary: When the minute hands on the clock face all point to 6 and the hour hand is between two numbers, who is on the left is what time.

Take a look and say.

Transition: Teacher: After learning about half past one, let's learn about Xiaoming's schedule.

Show me the photos.

Teacher: Xiaoming appeared. Can you tell me what he is doing now? Guide the students to say, when is Xiaoming doing it? Ask students to distinguish between morning, noon and afternoon. )

Teacher's summary: How orderly Xiao Ming's day is! There will be a lot of gains in such a day, so how do you arrange your day? Talk to the children at the same table.

Third, summarize and sublimate the problem.

Teacher: What did you know today?

Health: ...

The teacher concluded: Today, we know clocks. Time is fair to everyone. We should cherish time and arrange it reasonably in order to gain something.