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What are the four fields of mathematics? Introduction to the four fields of mathematics.
1, Numbers and Algebra: Understanding, Representation, Size, Operation and Estimation of Numbers;

2. Graphics and geometry: the basic graphics of space and plane, the nature and classification of graphics; Translation, rotation and axial symmetry of graphics;

3. Statistics and probability: collecting, sorting and describing data and processing data;

4. Practice and comprehensive application: Learning activities with a class of problems as the carrier and students' active participation are important ways to help students accumulate experience in mathematics activities.