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What are the small topics in the research of mathematics topics in the third grade of primary school?
1. How to use teaching materials reasonably, such as theme maps and exercises in teaching materials.

2. Study the related knowledge background of space and graphics, statistics and probability content.

3. Research on the homework design of basic investigation before primary school mathematics class.

4. How to embody mathematical ideas in computing teaching, creatively arrange chaotic teaching materials, and put forward new ideas and small topics.