1, Theme: First, determine the theme of the map. In this case, the theme may be "Unit 12 of Mathematics in the first volume of Grade Four". Center: Write down the theme in the center, and then draw a big circle or rectangular box to highlight it.

2. Branches: Draw branches outward from the center to represent different themes or concepts of the unit. For example, there may be one branch for "addition" and another branch for "subtraction".

3. Details: Under each branch, add more sub-branches to contain specific course content or sub-concepts. For example, under the "addition" branch, you can list addition rules, addition exercises and so on. Connectors: Use arrows or lines to connect related topics and sub-topics to show their relationship.

4. Graphics and colors: Use graphics, colors and labels to enhance the visual effect of the guide map. For example, different colors can be used to represent different mathematical operations. Summary: Add a summary box at the bottom or side of the map, including the key concepts and points of this unit. Exercise: Add exercises or examples in appropriate places to help you consolidate your knowledge.

Learning mathematics in the fourth grade requires a comprehensive method.

1. Mathematics is an important subject. It is not only a collection of numbers and formulas, but also a way of thinking and a tool for solving problems. It is very important for fourth-grade students to establish a solid foundation in mathematics, because it will lay a solid foundation for their future study.

2. Understand the basic concepts: The first step in mathematics learning is to understand the basic concepts. Make sure that students understand the basic principles of numbers, addition, subtraction, multiplication and division. Use textbooks, charts and real-life examples to help them build these basic knowledge.

3. Get close to mathematics: Mathematics is a very practical subject, and students should actively participate in mathematics activities. Encourage them to solve all kinds of math problems and participate in math games and math applications in real life, thus increasing their interest in math.

4. Memorize important facts: Grade four students need to memorize important mathematical facts, such as addition tables and multiplication tables. Create memory cards or use applications to help them remember these facts.

5. Problem solving: Mathematics is about problem solving. Encourage students to ask questions and find solutions. Use problem-solving worksheets to let them apply mathematical knowledge in practical situations.

6. Feedback and error correction: Providing timely feedback is the key to help students make progress. When they make a mistake, they should not only tell them the answer, but also explain why they are wrong and guide them to find the correct answer.

7. Establish mathematical vocabulary: Mathematics has its own vocabulary. Students should learn mathematical terms so that they can understand and express mathematical concepts. Create math vocabulary cards or words to help students master these words.

8. Interaction with parents: Parents play an important role in mathematics learning. Encourage parents and children to study math together and provide support and guidance. Explore math resources: Use online math resources, such as math video tutorials and online exercises, to broaden math knowledge and skills.

9. Pay attention to patience and persistence: Mathematics learning may be challenging, but it is important to encourage students to be patient and persistent. Remind them that mathematics is a gradual development process. Math diary: Students are encouraged to record their math learning experiences and problems solved in the math diary. This helps to consolidate learning and track progress.