First, hand-painted production: preparation materials: paper, colored pens.

1. First, you need to take out a piece of white paper and some pens of different colors.

2. Draw a picture in the middle of the paper, fill in the main content of the whole picture "Mathematics of Grade Three" as the central theme, and fill in the content according to the branch of the diffusion thinking of the central theme.

Second, the computer software production:

1. Use MindNow to download, install and run or use the online version to enter, and click "New" to select the appropriate map structure.

2. Take the "mind map" structure as an example, double-click the central theme to change the content to "Grade Three Mathematics", and then fill in the content with this sub-theme.

3. Click the arrow button on the right and choose to modify the theme style, background and layout of the map. You can choose to add icons, associated rows, summaries, and so on. Beautify at the top.

4. Click the "Export" button in the upper right corner after completing the boot map, and select the appropriate file format for export.

The importance of learn mathematics:

1. Mathematics is closely related to our life. To say that the real effect of learning mathematics is not reflected in exam-oriented education, but in my own thinking about the future.

2. The importance of mathematics is self-evident. Mathematics is the foundation of all sciences and an important channel to cultivate logical thinking. It can be said that every major progress of our mankind is strongly supported by mathematics.

3. The application of mathematical knowledge in life is everywhere. From the calculation of daily living costs, to astronomy, geography, quality control, agricultural economy, aerospace, there are shadows of using mathematics.