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There are as many math teaching plans as there are in kindergarten classes.
Goal:

Can not be affected by the change of the size, shape and position of the container, and initially feel the conservation of liquid.

Prepare:

1. Teaching aid: measuring cup. Two cups with different heights and thicknesses, a teddy bear and a duck, and water (colored for easy observation). 2. Learning tools: one set of cups and several beans for each person.

Process:

1. Understand the concept of "as much" through operation.

(1) Show teddy bears and ducklings. Here comes the guest. Let's buy them drinks.

(2) Pour the water into the measuring cup, let the children observe the position of the water and let the children remember the scale.

(3) Pour the water into the short and big cup in front of the child.

(4) Pour the same amount of colored water into the small cup in front of the duckling.

(5) The bear is a little unhappy. He said the duckling drank much more than he did. Do you think so?

(6) Encourage children to find ways to prove that there is the same amount of water in large and small cups.

(7) Guide the children to pour the water in the big cup back into the measuring cup for verification, and observe that the water is the same.

How do you know there is as much water as just now? (The water level reaches the same scale) Then pour the water in the small cup into the measuring cup and ask: Is the cup empty? Is there as much water as just now?

Compare the small cup with the large cup and let the children observe: Is there the same amount of water?

Why?

2. Let children operate activities.

Let the children pour the beans in the measuring cup into different cups, observe the changes and verify whether the beans have become more or less.

3. Summary: There is no increase or decrease in water and beans. No matter what kind of cups are poured, there are as many as just now.