1, determine the central theme: write "circular mind map" in the center of the paper. List the main contents: according to the content of the textbook, list the main concepts and formulas related to the circle around the theme, such as the concept, perimeter, area and application of the circle.

2. Add subtitle: For each major concept or formula, add relevant subtitle or formula, such as "perimeter formula: C=2πr" under "perimeter of circle".

3. Connect topics and sub-topics: Use arrows or lines to connect topics and sub-topics to show their association. Use colors and images: Use different colors to mark different topics or sub-topics, and add images or graphics to enhance visibility.

The significance of learning mathematics

People who are good at math are relatively smart and savvy, and they can show their advantages in dealing with people. The faster you think, the more ways and ideas you have. Mathematics is the foundation of other disciplines, and it is easier for people who learn mathematics well to get into other disciplines. Learning software, computer, finance and other engineering majors is even more handy.

It is used everywhere in life. Nowadays, the society is an information society, and mathematical knowledge is used in financial management and computers. Mathematics can cultivate people's integrity and honesty. Mathematics pays the most attention to convincing people by reasoning, and only believes in the results of logical reasoning. Mathematics can cultivate people's tenacity and courage. Mathematics can cultivate people's overall consciousness. Mathematics can cultivate people's good character.