1. Research on cultivating students' problem-solving ability in the teaching of "synthesis and practice" in primary mathematics.

2. Research on the present situation and countermeasures of situation design of primary school mathematics problems under the background of core literacy.

3. Research on cultivating students' practical ability and its evaluation method in primary school mathematics teaching.

4. Research on the cultivation of computing ability of senior students in rural primary schools under the core literacy of mathematics.

5. Research on the effectiveness of primary school math homework design based on developing students' core literacy.

6. A study on cultivating primary school students' cooperative learning ability with "wisdom letting go" as the teaching feature.

7. Practical research on cultivating students' reflective ability based on reading students' mistakes.

8. Experimental study on the integration of primary school mathematics classroom teaching and modern educational technology.

9.3D printing technology in elementary school mathematics "graphics and geometry" teaching practice research.

10, Research on Mathematics Evaluation Model of Lower Grade in Primary School Based on Core Literacy.

1 1. A practical study on infiltrating mathematical culture to improve students' mathematical literacy.

12, Research on the Effectiveness of Group Cooperative Learning in the Background of Large Class in Primary Mathematics.

13. Practical research on optimizing classroom teaching methods of mathematics in primary schools.

14, Research on Strategies and Methods of Establishing Model Thinking in Primary Mathematics Teaching.

15. Research on the arrangement and review of primary school mathematics under the background of core literacy.

16, Study on the Cultivation and Evaluation of Pupils' Spatial Concept and Geometric Intuition.