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How to draw the mind map of the fourth unit of mathematics in grade three?
Thought-guided drawing is introduced. Tools/materials: pen and paper, math books.

1. Draw a main title, namely "Grade Three Points", as an extension of all branches.

2. As a reflection of thinking, we should first understand the concept of score from the definition and basic elements.

3. On the basis of the concept, the reading and writing method of music score is expanded.

4. Secondly, the basic classification of scores, that is, the classification of types, is carried out according to the differences of denominator and numerator.

5. After the division of basic types is completed, there are two ways for further analysis and calculation: reduction and general division.

6. Finally, draw the addition, subtraction, multiplication and division of practical application cases on the right.