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Official document mathematics
5A: Do problems with pencils, and cultivate children's pen holding ability, pen carrying ability, problem solving ability and attention. Let the children master the numbers within 30 more skillfully through the practice of doing the questions and drawing the lines in the figures.

4A: On the basis of the problem-solving ability of 5A textbook, it is required to master the order of the numbers of 1~ 100 and write them, and at the same time improve the problem-solving ability and perceptual knowledge of logarithm, so as to prepare for the addition learning of 3A textbook.

3A: Let students learn the addition of 1 to 5 on the basis of the number and writing ability cultivated in 4A textbook.

2A: On the basis of the addition ability cultivated in the 3A textbook, continue to learn the addition from 6 to 10 in the 2A textbook, and then learn the basic subtraction until it is reduced to 10, thus cultivating the mental arithmetic ability necessary for learning the A textbook smoothly.

Answer: On the basis of the mental arithmetic ability of addition and subtraction cultivated in the textbook 2A, students' mental arithmetic ability of addition and subtraction should be further improved, and students should be required to reach the level of calculating at a glance, so as to lay a good foundation for learning the written arithmetic in the textbook B. ..

B: based on the mental arithmetic ability of addition and subtraction in textbook a, cultivate the written arithmetic ability of addition and subtraction, and lay a good foundation for learning textbook C.

C: On the basis of the addition and subtraction ability of textbook B, further cultivate students' basic multiplication and division ability, and lay a good foundation for learning textbook D.

D: On the basis of textbook C, to further improve students' ability of multiplication and division requires mastering the division operation of two digits and getting used to the concept of "fraction" gradually, so as to lay a good foundation for learning textbook E..

E: On the basis of the four operations of addition, subtraction, multiplication and division and the ability of division, cultivate the ability of four operations of fractions and lay a good foundation for learning F textbook.

F: Improve the fractional operation ability of E textbook, cultivate the elementary arithmetic ability of complex fractions, and lay the foundation for learning algebra of G textbook.

5A: Do problems with pencils, and cultivate children's pen holding ability, pen carrying ability, problem solving ability and attention. Let the children master the numbers within 30 more skillfully through the practice of doing the questions and drawing the lines in the figures.

4A: On the basis of the problem-solving ability of 5A textbook, it is required to master the order of the numbers of 1~ 100 and write them, and at the same time improve the problem-solving ability and perceptual knowledge of logarithm, so as to prepare for the addition learning of 3A textbook.

3A: Let students learn the addition of 1 to 5 on the basis of the number and writing ability cultivated in 4A textbook.

2A: On the basis of the addition ability cultivated in the 3A textbook, continue to learn the addition from 6 to 10 in the 2A textbook, and then learn the basic subtraction until it is reduced to 10, thus cultivating the mental arithmetic ability necessary for learning the A textbook smoothly.

Answer: On the basis of the mental arithmetic ability of addition and subtraction cultivated in the textbook 2A, students' mental arithmetic ability of addition and subtraction should be further improved, and students should be required to reach the level of calculating at a glance, so as to lay a good foundation for learning the written arithmetic in the textbook B. ..

B: based on the mental arithmetic ability of addition and subtraction in textbook a, cultivate the written arithmetic ability of addition and subtraction, and lay a good foundation for learning textbook C.

C: On the basis of the addition and subtraction ability of textbook B, further cultivate students' basic multiplication and division ability, and lay a good foundation for learning textbook D.

D: On the basis of textbook C, to further improve students' ability of multiplication and division requires mastering the division operation of two digits and getting used to the concept of "fraction" gradually, so as to lay a good foundation for learning textbook E..

E: On the basis of the four operations of addition, subtraction, multiplication and division and the ability of fraction reduction in D textbook, cultivate the ability of four operations of fractions, and lay a good foundation for learning F textbook.

F: Improve the fractional operation ability of E textbook, cultivate the elementary arithmetic ability of complex fractions, and lay the foundation for learning algebra of G textbook.

G: On the basis of F textbook's fractional operation ability, cultivate the operation ability of positive and negative numbers and algebra, and lay a good foundation for learning H textbook.

H: On the basis of the algebraic operation ability of G textbook, cultivate students' ability to solve linear equations from one variable to four variables and learn linear functions, so as to lay a good foundation for learning I textbook.

I: On the basis of H textbook, learn and master factorization, square root, quadratic equation of one variable, quadratic function and Pythagorean theorem, so as to lay a good foundation for learning J textbook.

J: By studying algebra, factorization, irrational number, quadratic equation and equation, remainder theorem and higher order equation, we can cultivate the basic abilities necessary for higher mathematics and lay a good foundation for learning K textbook.

K: Cultivate students' ability to calculate various functions (quadratic function, higher order function, fractional function, irrational function, exponential function).

L: Learn logarithmic function and absolute value function with K textbook, and begin to involve the concept of limit to cultivate students' ability to calculate simple calculus.

M: Learning trigonometric function requires mastering arc system, trigonometric equation, trigonometric function images and their characteristics, and then learning trigonometric identity transformation to prepare for the N and O textbooks after learning. Cultivate students' ability to calculate plane geometry, learn the combination of numbers and shapes, and establish a department to solve geometric problems.

N: Learn conic curve (trajectory) from M textbook. After that, I entered the series unit, studied arithmetic progression, geometric progression, infinite series and other series, and made a transition to differential method, which laid a good foundation for learning O textbooks.

O: Learn calculus (application of higher differential and derivative; Integral and its application; Differential equation), cultivate students' algebraic operation ability. At this point, all the official mathematics textbooks have been learned.