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What are the math contents of the middle class next semester?
The math content of the middle class next semester is as follows:

1, know the numbers in 1 ~ 10, understand the meaning of numbers, and use numbers to represent the number of objects.

2. Learn to observe tree groups intuitively, learn not to be disturbed by external factors such as the spatial arrangement and size of objects, and correctly judge the number within 10.

3. Know rectangle, trapezoid and ellipse.

4. Learn to assemble and build various geometric figures.

5. Learn to summarize two characteristics of objects; Learn to classify objects according to certain characteristics and quantities.

6. Learn to sort the positive and negative numbers within 7 according to the number.

7. Observe, compare and judge the quantitative relationship in 10, and gradually establish the concept of equivalence; Use existing knowledge and experience to solve new problems, learn new knowledge, and promote the development of preliminary reasoning and transfer ability.

8. Understand the meanings of yesterday, today and tomorrow, know the relationship between them, and learn to use these time words correctly.

9. Learn to distinguish and tell the self-centered direction; Learn to distinguish and tell the up-and-down and front-and-back positional relationship between objects; Learn to move in the specified direction.

10, children can pay attention to and find the differences in the number of objects in the surrounding environment, the shapes of objects, and their positions in space.