1, rational number, irrational number, real number
2. Algebraic expressions, fractions and quadratic roots
3. One-dimensional linear equations, one-dimensional quadratic equations, two-dimensional (three-dimensional) linear equations, two-dimensional quadratic equations, fractional equations and one-dimensional linear inequalities.
4. Functions (linear function, quadratic function, inverse proportional function)
5. Preliminary statistics
Geometric part
1, line segment, angle
2. Intersecting lines and parallel lines
Step 3: Triangle
4. Quadrilateral
5. Similar shapes
6. circle
Basic knowledge of geometry, function, self-statistics and probability, and common logical reasoning methods.
Specifically,
Geometry includes: basic geometric figures and their properties, the properties and judgment methods of triangles, quadrangles and special quadrangles, circles and right triangles;
Algebra includes: related concepts and operations of real numbers, operations of algebraic expressions, equations (groups), inequalities (groups) and functions;
In addition: the basic knowledge of statistics and simple probability calculation.
Mathematics is a problem that many students worry about. Many students have certain problems. The score of this subject is very low. So how to learn junior high school mathematics well? Is there any way to improve it?
1, class
For new knowledge, it is generally learned through the teacher's telling in class, so we should pay attention to the efficiency of learning, find the correct method, actively understand the knowledge told by the teacher in class according to the teacher's teaching steps, and find out what is different from the teacher's thinking of solving problems. It needs to be improved in time after discovery, and it needs to be reviewed in time after class. When you do your homework, you need to think about what the teacher said completely in your mind. You need to understand all kinds of mathematical calculation methods correctly. When you don't understand a problem, you need to calm down and make a comprehensive analysis. In general, you can answer. This is the first step in how to learn junior high school mathematics well.
2. Practice more
If you want to learn mathematics well, you need to do more exercises, fully understand the solutions to various problems, start with simple questions, and generally practice repeatedly with the contents in books as the correct answers. After school, you can do some extracurricular questions to help improve your thinking, prepare a wrong book and record your own mistakes. When answering questions, you need to concentrate and get into the best state, which can make you play a super role in the exam.
3, mentality
For exams, mentality is very important. You need to comprehensively adjust your state and psychological state before the exam, so as to keep yourself calm and improve your chaotic mood. You can do some exercises before the exam to adjust your state to the best. You need to review before the exam. If you have time, you can browse your wrong book again, so that you won't make mistakes again. Review needs to be carried out comprehensively. This is the third part of how to learn junior high school mathematics well.