1, know and write the number "0", and understand the meaning of "0" initially.

2. Cultivate children's imagination and creativity.

Focus of activities:

Know and write the number "0" and understand the meaning of "0" initially.

Activity difficulty:

Cultivate children's imagination and creativity.

Activity preparation:

A headdress, a plate (with three peaches in it) and a scene performance.

Activity flow:

First, perform a scene to understand the meaning of the number "0".

1. Show pencils: How many pencils are there in the teacher's hand? How many digits can it represent? Teacher Zhu gave XX one. How many pencils are left? What is the number? Teacher Zhu gave XX another one. How many pencils are left? What is the number? The teacher gave XX another one. Do you have a pencil? What do you mean? Inspire children to think about what "no" can express. )

2. Show the number "0" and tell the children that "0" is also a number, and "gone" can be represented by the number "0".

3. What other scenes in life need to be represented by the number "0"? (Demonstrate various situations in life that can be represented by the number "0" for children to judge, and then let the children give their own examples, such as all the chalk words on the blackboard have been wiped clean, all the biscuits in the biscuit box have been eaten, and all the toys in the toy box have been taken away ...)

Second, understand the shape characteristics of the number "0" and cultivate children's imagination and creativity.

1, inspire children to imagine boldly and say what "0" looks like?

2, the game: "I will change 0", spread children's thinking, and inspire children to weave the shape of the number "0" in various ways. (drawing: draw a "0"; The way of body movement: use the index finger and thumb of one hand to form a small shape, and use the index finger and thumb of both hands to form a large shape; Material placement: circle a 0 shape with wool; How to cut it: cut out the shape of the number 0 with a piece of paper. )

Third, other meanings, people who know the number "0" perceive the use of the number "0" in life.

1. Diversified children's thinking inspires children to talk about "0" other meaning: Nothing on the plate can be represented by the number "0". Where have you seen the number "0"? What does this mean? (Remote control, telephone keys, microwave oven scale, etc. ).)

Fourth, further expand children's understanding of the number "0".

1. Show the formulas on the blackboard: 1- 1= (), 2-2= (), 3-3= (), 4-4= (). Let the children work out the answers and write them on the homework paper, and give the reasons.

2. Summary: When any two identical numbers are subtracted, the number is "0".