1. Function:

Function is the key content and difficulty of junior two mathematics. In addition to common function constants and linear functions, it is also necessary to understand the laws of variables with different exponents such as exponential function and power function.

2. Real numbers:

Real number is an important concept in mathematics, including square root, cube root and so on. Real numbers play an important role in junior two mathematics. The main contents include the definition and solution of square root and cube root, as well as the concept and operation of real number.

3. Geometric basis:

Mathematics learning in senior two mainly includes plane geometry, solid geometry, angles, line segments and other basic contents, among which the geometric basis includes angles, line segments, figures, circles and so on.

4. Algebraic basis:

Algebraic basis in senior two mathematics learning mainly involves four operations, equations and functions, including important concepts and problem-solving methods.

5. The bisector of the height, midline and angle of the triangle:

It's very important to learn the bisectors of the triangle's height, midline and angle in the second grade math. Mastering these three knowledge points can help us better understand the basic concepts and properties of triangles and apply these concepts to solve practical problems.

6. Quadratic radical:

Quadratic radical is a concept in mathematics and a formula in the form of (a≥0). In junior two mathematics, square root is an operation after students learn square root, cube root and so on.

7. Cognitive probability:

The probability of learning mathematics in Grade Two can help us understand the meaning of probability and realize that probability is a mathematical model to describe random phenomena. The value of probability can represent the probability of an event, and the probability can be calculated by probability formula.

8. Score:

This chapter mainly includes the concept, basic properties, simplification and general division of fractions, addition, subtraction, multiplication and division of fractions, Divison, the concept and operational properties of integer exponential powers, and the concept and solution of fractional equations, with emphasis on four operations of fractions, elementary arithmetic of fractions, solution of fractional equations, and solution of fractional equation application problems.

9. Statistics:

Mathematics learning statistics in senior two is very important, which involves the collection, arrangement, description and analysis of data, and can be described and solved by appropriate statistical methods.

10. The concept of square:

Square is a knowledge point in junior two mathematics. It has four sides and four right angles, and each angle is a right angle. Square is a special kind of rectangle and diamond, which has both the characteristics of rectangle and diamond.