Activity objectives:
1, get a preliminary understanding of the surface structure of clocks and watches, the operation law of hour hand and minute hand, and learn to watch hours.
2. Develop a good habit of working on time and cherishing time.
3. Cultivate children's spirit of trying and develop children's agility and logic of thinking.
4. Stimulate children's interest in learning and experience the happiness of mathematics activities.
5. Cultivate children's comparative judgment ability.
Activity content:
clock
Activity preparation:
A clock model, if a small clock.
Activity flow:
1. Game: What kind of clock have you seen in solve riddles on the lanterns? (Alarm clock, desk clock, floor clock) What does a clock do? (get up)
Second, distribute clocks and watches, give each child a clock and let the children observe (please tell the teacher what you see) Teacher: Are the two needles the same?
Summary: The shortest one is called the hour hand, and the long one is called the minute hand. There are numbers 1- 12 on the clock face, with 1 square between the numbers, a * * *, and 12 square.
Third, the story introducer of "The Tortoise and Rabbit Race": Who won?
Now the tortoise and the rabbit are competing again. The rabbit represents the minute hand and the tortoise represents the hour hand. They stood in the same position and started the game. (The rabbit ran from 12 to 12; The tortoise ran from 12 to 1 and ran a grid. Who runs faster, the minute hand or the hour hand? Then run, where will the tortoise go?
Summary: the minute hand runs once and the hour hand runs one grid, which is one hour.