National Mathematics (Science) Volume II Answer of the 2022 College Entrance Examination
Quick Grading Skills in Senior High School Mathematics
First, speed, then accuracy.
The two basic indexes for doing math problems are speed and accuracy. When solving the contradiction between quickness and accuracy, we might as well seek quickness first and then accuracy. Do your own questions, finish them within the specified time, and then correct your own papers. Seek "fast" first, strive to complete, and then seek "accuracy". A lot of math can't be done in the college entrance examination, which is the result of the lack of such high-intensity training. You know, in the college entrance examination, "time is victory."
The reasons for giving priority to "fast" are:
First, as mentioned above, proficiency is taken into account in the current exam. If you want to get high marks, you must keep a certain speed of solving problems.
Secondly, from the perspective of learning psychology, finishing one thing (though not perfect) will make people feel a sense of accomplishment. It is in line with people's learning psychology to have this sense of accomplishment before pursuing perfection (making fewer mistakes).
Role exchange of teaching materials in test papers
Feng, a top student in Beijing No.13 Middle School, said that her grades have been stable, but she just couldn't get ahead of the exam. I feel sorry for her, and I don't know what to do to break this situation. Until one day, she suddenly thought of exchanging roles between the test paper and the textbook. The specific method is:
The first step is to arrange the test papers in the order of the teaching materials and number them. Because the test papers are basically based on textbooks, it is not difficult to arrange them.
The second step is to write a "lead" at the beginning of the test paper. The main contents are: first, what this paper tests, and second, the main points of knowledge related to the test.
The third step is to write a "summary" at the end of the test paper, sum up your own test situation and write your own knowledge defects.
Feng said that it is more enjoyable to bind these papers and read them repeatedly than to read textbooks.
Let's talk about the "role exchange" between teaching materials and test papers. Feng's approach is:
The first step is to read the textbook carefully.
The second step is to read a paragraph and summarize it in the form of several questions.
The third step is to write the questions and reference answers in a book. At this point, the work of testing the textbook has been completed.
Feng said that every section or chapter of the textbook often has thinking questions, but the examination is more detailed than the textbook, and a question can be written in a short paragraph.
Introduction to mathematics answering in college entrance examination
In order to achieve excellent results in the mathematics examination room of college entrance examination, we need not only solid basic knowledge and high mathematical problem-solving ability as the foundation, but also the skills of on-site examination, which is the dream of countless students.
According to the characteristics of mathematics subject, this paper talks about the answering skills of mathematics college entrance examination for reference only:
1. Adjust your state and control yourself.
(1) Stay awake. The math exam time is in the afternoon. Students are advised to rest for half an hour or 1 hour at noon, and try to relax themselves during this period. Psychological suggestion is that only a quiet rest can ensure sobriety during the exam.
(2) Be in place on time. However, the time for issuing papers should be within 5- 10 minutes before the exam. Students are advised to arrive at the examination room 20 minutes in advance 15.
2. Read through the test paper and build confidence.
When I first got the test paper, I was usually very nervous. At this time, it is not easy to answer in a hurry. I want to read the whole paper from beginning to end and know what questions I can do, so as to stabilize my emotions. When answering questions, be careful when you see simple questions, and don't get carried away. In the face of difficult problems, be patient and don't worry.
3. Improve the speed of solving multiple-choice questions and the accuracy of filling in the blanks.
Mathematics multiple-choice questions require flexible use of knowledge, and solving problems only requires results, not processes. Therefore, the inverse method, estimation method, special case method, exclusion method and combination of numbers and shapes are all very powerful. 12 multiple-choice questions, if you can grasp it well, it will be easy to ask a question in one minute, and the question will not exceed five minutes.
Because of the particularity of multiple-choice questions, it is proposed that solving multiple-choice questions requires "quickness, accuracy and cleverness" and taboo "making a mountain out of a molehill". Fill in the blanks is only the result, not the process, and we should strive to be "complete and rigorous".
4. Be slow in reviewing questions and quick in doing them, starting with accuracy.
The topic itself is the information source of this topic, so we must read the topic word by word. Only by carefully examining the topic can we get as much information as possible from the topic itself.
After finding a solution to the problem, the writing should be concise, fast and standardized, and it should be remembered that the scoring standard of the college entrance examination is to give points step by step, and the key steps should not be lost, and the non-key steps can be omitted reasonably. When answering questions, try to use mathematical language and symbols, which is more economical and rigorous than written narration.
5. Win the middle and lower champion with good quality and quantity.
The middle and lower level questions usually account for more than 80% of the whole paper, which is the main part of the test questions and the main source of candidates' scores. Whoever can win these problems with good quality and quantity is already a victory. With the winning mentality in hand, it will be more open to overcome high problems.
6. Keep in mind the principle of grading by sections and standardize the answers.
Special attention should be paid to accurate expression, careful consideration, standardized writing and scientific language.
I'm still marking papers online this year. I hope that the students will standardize their answers and reduce the invisible points.
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