Mathematics examination questions of Beijing college entrance examination in 2022
Reference Answers to Mathematics Examination Questions of Beijing College Entrance Examination in 2022
Answering Strategies of Mathematics in College Entrance Examination
Before the exam, we should abandon distracting thoughts, eliminate distracting thoughts, make the brain in a "blank" state, create mathematical situations, then brew mathematical thinking, enter the "role" in advance, and comfort ourselves by counting utensils, prompting important knowledge and methods, and reminding common misunderstandings and mistakes in solving problems, so as to reduce stress, go into battle lightly, stabilize emotions, enhance confidence, and make thinking simple, mathematical, stable and confident.
First, the relationship between doing and scoring.
To turn your problem-solving strategy into a fractional point, it is mainly expressed in accurate and complete mathematical language, which is often ignored by some candidates. Therefore, there are a lot of "yes but no" and "yes but incomplete" situations on the test paper, and the candidates' own evaluation scores are far from the actual scores. For example, the "skip" in solid geometry argument has caused many people to lose more than 1/3 points. In algebraic argument, the idea of "substituting pictures for proofs" is correct, even ingenious, but it is clumsy because it is not good at translating "graphic language" into "written language" accurately. Only by paying attention to the language expression of the problem-solving process will the problems that can be done be graded.
Second, the relationship between examination and problem solving
Some candidates do not pay enough attention to the examination of questions, are eager to achieve success, and rush to write, so that they do not fully understand the conditions and requirements of questions. As for how to dig hidden conditions from the problem and stimulate the thinking of solving the problem, it is even more impossible to talk about it, so there are naturally many mistakes in solving the problem. In fact, as long as you carefully examine the questions patiently, accurately grasp the keywords and quantity in the questions, and get as much information as possible from them, you can quickly find the correct direction to solve the problem.
Third, the relationship between difficult questions and easy questions
After you get the test paper, you should read the whole volume. Generally speaking, you should answer in the order of "easy first, then difficult, simple first, then complicated". In recent years, mathematics test questions have changed from "one question to many questions", so the answers to the questions have set clear "steps", with a wide entrance and easy to start, but it is difficult to go deep into the final solution. Therefore, seemingly easy questions will also have the level of "biting hands", and seemingly difficult questions will also be divided. So don't take easy questions lightly in the exam, and don't be timid when you see new faces. Think calmly and analyze carefully, and you will get the due score.
Fourth, the relationship between fast and accurate.
At present, with a large number of questions and tight time, it is particularly important to use accurate words. Only by being accurate can you score. Only by being accurate can we avoid taking the time to check. Fastness is the result of your usual training, not a problem that can be solved in the examination room. If you are quick, you will only make many mistakes in the end. Slow down and be more accurate, and you can get a little more points; On the contrary, if you hurry up and make mistakes, you will not get points if you spend time.
In recent years, most of the math problems in the college entrance examination are presented as "gradient problems", which need not be examined in one go, but should be solved step by step, and the solution of the previous problems has prepared the thinking foundation and problem-solving conditions for the later problems, so it is necessary to proceed step by step, from point to surface. 6. that is, the second half of the exam, we should pay attention to time efficiency. If it is estimated that you can do both questions, then do the high score questions first. It is not easy to estimate the two questions. First, the high-scoring questions should be graded by sections, and the score should be increased on the premise of insufficient time.
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