First, determine the central theme and key points.

The central theme is "squares and rectangles". It focuses on the definition, properties and drawing of squares and rectangles.

Second, outline the mind map

Draw the outline of mind map based on the central theme and taking key points as branches. You can draw on paper with colored pens or markers, or you can draw with computer software.

Third, improve the content of mind mapping.

Add more details and contents under each key point, for example, the definition of a square is a quadrilateral with four equal sides and an angle of 90 degrees; A rectangle is defined as two rectangles with equal long sides. When adding content, you can mark it with pens of different colors to enhance the memory effect.

The fourth is to highlight the key points.

In the process of perfecting the mind map, we can use different colors or symbols to mark key content, such as using red or yellow highlighter to mark keywords or phrases. This can help memory and understanding.

Sample applications and related concepts

First, the sample application

You can give some examples to illustrate the application of squares and rectangles, such as making puzzles with squares and making cartons with rectangles. These examples can help children better understand the practical application value of squares and rectangles.

Examples of squares and rectangles in practical applications;

1. In architecture, squares and rectangles are common shapes, such as wall tiles, doors and windows, etc.

2. In daily life, many things are square or rectangular, such as tables, chairs, books, etc.

3. In mathematical problems, squares and rectangles are also common figures, such as calculating perimeter and area.

Second, related concepts

Some concepts related to squares and rectangles can be introduced, such as symmetry, perimeter and area. These concepts can help children better understand the nature and characteristics of squares and rectangles, and also lay the foundation for subsequent learning.