Make students understand the concept and significance of height and weight.

Teaching content:

1, what is the height? What is weight?

2. Height and weight are important indicators reflecting human growth and development.

3. What are the influencing factors of height and weight?

Teaching equipment: Before class, let students prepare their childhood photos, and the teacher prepares a tape measure and a small scale.

Teaching process:

First of all, introduce.

1. Show some photos of my 2-3-year-old classmates: play the game "Guess who I am".

2. Dialogue: Students, this is a photo of some students in our class when they were young. Please guess who they are.

3. Question: Do you have anything to say to everyone after reading these photos?

4. Summarize and prompt the learning content of this lesson: Yes, in the process of growing up, we are growing taller and stronger every day. Today, we are learning "what is height and weight".

Second, know the height and weight.

1, Dialogue: Teacher, here are three photos taken by a classmate at different stages (the photos of children aged 3, 5 and 7 are out of order). Can you arrange them?

2. Student ranking.

3. Question: How do you arrange it? Why is this?

4. Summary: Students just observe the photos and compare the changes of this classmate's clothes, pants and shoes in the photos, and know that our height and weight change with age.

5. Question: Why are the students in the same class different in height and weight? Do you know why?