Circular mind map is a very effective learning tool, which is based on a central theme and shows all kinds of information related to the theme through outward branches. In the study of the first volume of the sixth grade, we can use the circular mind map to help students better understand and remember the knowledge points.

First, we choose a central theme, such as "Mathematics". Mathematics is an important subject, involving many different knowledge points and concepts. Under the central theme of mathematics, we can add several main branches, such as "integer", "fraction" and "decimal". These main branches represent different fields and concepts in mathematics.

Next, you can add some secondary branches under each main branch to further expand specific knowledge points. For example, under the main branch of integer, we can add secondary branches such as positive integer, negative integer and absolute value. These small branches can help students better understand the concept and properties of integers.

Under each secondary branch, we can further add more specific information, such as definitions, formulas, examples and so on. For example, under the secondary branch of "positive integer", we can add the definition that "positive integer is an integer greater than zero". In this way, students can quickly understand the basic concepts and points of each knowledge point by reading the circular mind map.

In addition, we can also use different colors and graphics to represent different knowledge points. For example, we can use red for important concepts, green for examples and blue for formulas. In this way, students can better distinguish and remember different knowledge points with the help of colors and graphics.

In addition, we can regularly update and review the circular mind map. With the progress of learning, we can constantly add new knowledge points and concepts and add them to the corresponding branches. At the same time, you can also review the knowledge points you have learned regularly to ensure that students' memory and understanding of them are consolidated and improved.

In a word, the circular mind map is a very practical learning tool, which can help us better organize and display the learning content. By making a simple mind map of the first volume of the sixth grade, students can better understand and remember different knowledge points and concepts in mathematics.

At the same time, regularly updating and reviewing the circular mind map can also help students consolidate their memory and improve their learning effect. I hope the students can make good use of the circular mind map and get better academic results!