-Grade one: learn basic literacy, basic mathematical concepts and operations, basic English vocabulary and sentence patterns, basic scientific phenomena and common sense, primary social cognition and communication skills.
-Grade two: further enrich literacy, deepen mathematical concepts, improve operational skills, carry out English learning around life scenes, continue to cultivate scientific observation and experimental ability, and expand social education knowledge.
-Grade three: further study literacy and reading comprehension, further broaden and abstract mathematics, including geometry and statistics, English learning involving daily communication and simple verb tenses, introducing scientific inquiry into scientific processes and principles, and expanding social education of national and world geographical knowledge.
-Grade 4: Literacy continues to deepen and expand reading skills, mathematics study focuses on deepening calculation and application, English study broadens communication scenarios and grammar rules, science begins to introduce scientific experiments and scientific thinking, and social education expands knowledge of history and culture.
-Grade 5: The requirements for literacy and reading comprehension are improved, with emphasis on understanding the theme, structure and special style of the text. Mathematics study further emphasizes the methods and ideas of solving problems. English learning increases listening and speaking training, science begins to cultivate the ability of experiment and engineering design, and social education focuses on expanding political and economic knowledge.
-Grade 6: Pay attention to the development of reading comprehension and language expression, pay attention to practical problems and solve practical problems in mathematics study, strengthen listening, speaking, reading and writing skills in English study, deepen the understanding and practical ability of scientific principles in scientific study, and broaden the knowledge of sociology and humanities in social education.
Generally speaking, the 2 1 century primary school edition gradually improves the learning level and ability requirements according to the students' grades and the complexity of knowledge points. The above explanation of the corresponding level is only a summary of some typical characteristics. The specific teaching content and difficulty will change according to the different versions of textbooks, but the general trend is from simple to complex, from basic to expanded development path.