1. Clarify the theme: First, you need to clarify the theme of your paper. This will help you determine your arguments and arguments, thus making your article organized.

2. Make an outline: Before you start writing, making a detailed outline can help you organize your thoughts. The outline should include your main arguments and evidence, or examples of how you intend to support them.

3. Use transitional words: Transitional words can help your readers understand your ideas. For example, words like "however", "on the other hand" and "therefore" can help your readers understand your thoughts.

4. Consistency: In your thesis, you should keep your views and arguments consistent. If you put forward a point in one part of the paper and then put forward a contradictory point in another part, it may confuse your readers.

5. Logical reasoning: Make sure there is a logical relationship between your argument and the evidence. Your argument should directly support your argument, not irrelevant.

6. Repeated revision: Writing is an iterative process. After completing the first draft, you should take the time to revise and improve your paper to ensure its logic and consistency.

7. Ask for feedback: It's also a good idea to let others read your paper and provide feedback. They may find logical loopholes or inconsistencies that you didn't notice.

8. Use charts and formulas: If applicable, using charts and formulas can help you express your views more clearly and make your paper more convincing.

Generally speaking, to ensure the coherence and logicality of mathematics papers, you need clear thinking, clear arguments, strong arguments and good writing skills.