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How to draw the mind map of Unit 5 of Mathematics in the second volume of Grade Four?
How to draw the mind map of Unit 5 of Mathematics in the second volume of Grade Four is as follows:

Painting 1

1. Title: Write it in the center of the mind map, such as "Unit 5 of Mathematics in the second volume of Grade Four".

2. Branch 1: Take "triangle" as the theme and draw a big circle next to the theme. Then draw a line under the circle and write down the sub-themes of the theme, such as what is a triangle and what its characteristics are.

3. Branch 2: Draw another big circle with the theme of "Classification". Draw a line under the circle and record the sub-topics, such as the method of classification and the basis of classification.

4. Branch 3: Draw a big circle with the theme of "splicing plane graphics". Connect a line under the circle and write down sub-topics, such as splicing methods and splicing rules.

5. Branch 4: Draw a big circle with the theme of "graphic transformation". Attach a line under the circle and write down sub-themes, such as flip, translation, rotation and symmetry.

6. Connecting topics and sub-topics: Write down the related concepts, knowledge points and examples in each circle and the lines connected with them.

7. If necessary, you can add branches or sub-branches to further expand and organize the content of the mind map.

Painting 2

1. First, you can draw a theme circle on the paper, and fill in "Unit 5 of Mathematics, Volume 2, Grade 4" in the center. This is the core of mind mapping, and all sub-topics will start from this circle;

2. Next, around the theme circle, you can draw the main sub-themes. These sub-topics will concretize and expand each topic when drawing a mind map. For example, we can list all the topics we need to learn in this unit: triangle, classification, splicing of plane graphics, transformation of graphics, etc.

3. Next to the circle of each topic, we need to list the sub-topics on each connecting line. For example, on the line connected with the theme of "triangle", you can record the definition, characteristics, classification and other important contents of triangle;

4. Next to each sub-topic, we need to further expand other related concepts and knowledge points and record them under the topic. For example, next to the subtitle "Characteristics of Triangle", you can list the common types and characteristics of triangle, such as right triangle, equilateral triangle, angle bisector and so on.

5. With the development of mind mapping, we need to ensure that important descriptive words such as "definition", "classification", "splicing rules" and "transformation methods" are added above each topic circle;

6. In addition to these topics and sub-topics, you can add additional information to the mind map as needed, such as examples, exercises or reference materials.

In short, for this topic, you can draw a clear and detailed mind map according to the above steps to help you master mathematics knowledge systematically and orderly.