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Math Teaching Plan for Preschool Class: Comparing Size, Length and Height
Teaching content: compare size, length and height Teaching purpose: 1, combining with life experience, make children know the significance of size, length and height, experience general methods, and learn to compare the size, length and height of objects initially.

2. Through comparison activities, let children initially establish the concepts of size, length and height, and cultivate their initial observation, judgment and reasoning ability.

Teaching emphasis: 1. Know the meaning of length, height and size.

2. I have a preliminary understanding of the thinking method of directly comparing the length and height.

Teaching difficulty: 1, mastering the standards and methods of comparison.

2. Use the correct mathematical language to express the comparison results.

Class arrangement: 1 class teaching instruments: physics teaching process:

First of all, review and understand children's perceptual knowledge of size, length and height in real life.

Second, the new lesson introduction 1. Take out a ruler and ask: Is this ruler long or short?

2. When the child tells the answer or argument, then he takes out a ruler shorter than it and longer than it, causing the child to doubt the answer just now, thus introducing a new lesson.

3, show the topic, clear goals.

Third, the new curriculum teaching 1, clear comparison requirements.

(1) Two or more objects must be compared, and a single object is not compared.

(2) Determine what is compared with what, and what is the standard of comparison.

(3) When comparing, one end of two objects should be aligned, and then whether the other end is aligned, so as to compare.

2. Teach "size" length "and" height ".

(1) Question:

What's in this picture? Can you talk about it?

(2) Compare and compare the pictures, let the children find and compare. Children at the same table communicate with each other.

3. Exercise 4. Summary There must be two or more objects to compare size and height. There is no size, length or height for a single object. The method of comparing size and height is the same. You must align one end to correctly compare size and height.

5. Take out the items prepared before class, compare them in groups, and tell each other the comparison results.

What did you learn in this lesson? Talk about your gains.

Seven, homework use what you have learned, compare and talk about things you are familiar with.