Learning primary school mathematics needs to master the following knowledge points:

1. Numbers and counting: Know the numbers 0-9 and learn to count and sort.

2. Addition and subtraction: master addition and subtraction operations within two digits, including carry and abdication.

3. Multiplication and division method: learn the multiplication table and master the multiplication and division operation within two digits.

4. Fraction: Understand the concept of fraction and learn to perform simple fractional operation.

5. Decimal: Know how to read decimal points and decimals, and learn to perform simple decimal operations.

6. Triangle and quadrilateral: Understand the characteristics and properties of different shapes, and learn to calculate the area and perimeter.

7. Clock and calendar: master the method of reading clock and calendar, and learn to calculate time interval and date.

8. Currency: Understand currencies of different denominations and learn to perform simple currency calculations.

9. Length and weight: master the common units of length and weight, and learn to perform simple conversion and calculation.

10. Data analysis: Learn to collect, sort out and analyze data, and make simple charts and graphs.

In addition to the above knowledge points, we also need to cultivate mathematical thinking ability, such as logical reasoning, problem solving, spatial imagination and so on. By mastering these knowledge points, students can build a solid mathematical foundation and lay a solid foundation for further study.