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A brief introduction to the educational standards of primary education in the United States.
Even Chinese in the United States are not sure what level of knowledge American primary school students want to achieve. Here is just a general standard for reference:

1. graduated from kindergarten

Can recognize numbers and express abstract mathematical concepts with concrete objects such as small stones, small pieces of paper and small sticks; Know 26 English letters and distinguish vowels from consonants; Distinguish what people in different occupations generally do, such as doctors, teachers, postmen, policemen, firefighters, etc., and understand the evolution process of biological life, including the birth and death of people, and the caterpillar becomes a butterfly; Learn geography from globes and puzzles, and understand that there are many residents, many countries and different skin colors on the earth; Understand that people need housing, children need to go to school and adults need to go to work.

2. First grade

Energy number 1 to 100, can count even numbers or multiples of 5, know odd numbers and even numbers, and can simply add and subtract; Learn to observe and classify different things and objects; Can explain the evolution of life and understand the interdependence between animals and plants in nature; Learn to use pictures and photos to express meanings other than words; Understand the necessity of a family's food, clothing, housing and transportation; Understand the relationship between family members and neighbors.

3. Second grade

Can read and write three digits, from five randomly selected digits, from decimal to large or from large to small; Proficient in the addition and subtraction of two digits, able to measure the length in inches or centimeters and understand the time on the clock; Insist on writing reading notes or diaries, learn to write summaries, know how to distinguish different literary forms such as poetry, prose, novels and biographies, and know the difference between fictional works and non-fictional works; I began to study animals independently, such as insect ecology.

4. Grade three

Learn how to chart data; Can compare the size and addition of numbers within 65438+ million, and master the addition, subtraction, multiplication and division of three digits skillfully; Can use local materials from the surrounding environment, collect and sort out information, understand how people keep healthy, and understand the life evolution process of frogs, butterflies, chickens, mice and other small animals; Know how to use a dictionary; I can understand the ideas expressed by my favorite writers and painters through their works, and I am also good at reading literary works from different cultural backgrounds.

5. Fourth grade

Use a computer to calculate large numbers, compare numbers within 654.38+0 million, learn decimals and fractions, and draw charts; Can explain the differences of climate in different parts of the world through maps, photos and charts; Through reading, we can learn more about different literary forms, such as science fiction works and biographies.

6. Grade 5

Can read various forms, and master the addition, subtraction, multiplication and division of scores and Divison; Ability to use library systems and materials for research; Compare and synthesize all kinds of information by taking notes; Start writing a non-virtual report and five compositions; Learn to write formal, informal and friend letters; Knowing how to classify different types of books, we can master the main content of a book and comment on its conception, background, characterization, expression and language art.