1. Number recognition and operation: including basic operations such as number recognition from 0 to 9, number comparison, addition, subtraction, multiplication and division.
2. Carry and abdication of numbers: understand the concept of decimal system and master the methods of carry and abdication.
3. Understanding and operation of fractions: Understand the concept of fractions and master the reading, writing and basic operation of fractions.
4. Understanding and operation of decimals: Understand the concept of decimals and master the reading, writing and basic operation of decimals.
5. Understanding and properties of geometric figures: including the understanding and properties of geometric figures such as straight lines, curves, closed figures, polygons and circles.
6. Calculation of length, area and volume: Master the basic units and calculation methods of length, area and volume.
7. Data collection and arrangement: Understand the methods of data collection and arrangement, and master the skills of making tables and charts.
8. Logical thinking and problem-solving ability: cultivate students' logical thinking and problem-solving ability, and apply mathematical knowledge by solving practical problems.
9. Use of mathematical symbols and formulas: Master the use of mathematical symbols and formulas, and be able to correctly use symbols and formulas for mathematical operations and reasoning.
10. Training of mathematical thinking: Training students' mathematical thinking, including the ability of observation, analysis, reasoning, induction and deduction.
In a word, the basic knowledge of primary school mathematics is the basis of follow-up study and development. Students should master this knowledge through continuous practice and consolidation, and lay a solid foundation for further study.