SAT in American college entrance examination not only examines the academic level, ability and quality of candidates, but also tests their academic attitude. Candidates who take the SAT test, for whatever reason, will lose points for the questions that were answered incorrectly in the test. Take the math part of the SAT as an example. Candidates have to answer 55 math questions in 1 hour. Answer 55 math questions correctly, and candidates can get full marks of 800 in math; If the examinee answers a wrong question every time, the score corresponding to a quarter of the question will be subtracted. For example, there are 55 questions in the math exam, out of 800, and you can get about 15 for each correct answer. If you don't answer the empty questions, you won't get points or lose points. If you answer wrong, you will lose a quarter of 15 points, which is about 4 points.
American college entrance examination SAT has introduced a new SAT form and content, in which the range and difficulty of mathematics have been improved. The previous SAT math test was only equivalent to the math level of the third grade in China, which mainly tested students' basic knowledge and operational ability of four operations, factors, fractions, percentages, decimals and ratios. The basic knowledge of mathematics is very simple for junior high school students in China. In order to meet the actual needs of American university courses and textbooks, many new examination contents have been added to the mathematics part of the new SAT.
In mathematical operation, the concepts of continuous operation, positive increasing exponential operation, union, intersection, prime number and simple calculation in set theory are added. In the knowledge of algebra and function, we have added the absolute value, the equality and inequality of rational numbers, the calculation of positive and negative exponents and square roots, the variable relation of direct proportion and inverse proportion, the knowledge of function expression, the definition and value domain of function, the expression relation between function and simple physical model, the linear function and quadratic equation. In geometry and measurement, feature analysis of special triangles, knowledge of various tangency features, simple coordinate geometry, mutual transformation and expression between graphs and functions, etc. Has been added. Data analysis, simple matrix, statistics and probability analysis are added to the difficult problem.
If the target score of the SAT math test is 700, you need to answer 46 questions correctly, and the remaining 9 math questions are more difficult. At this time, candidates should be particularly cautious when answering. If 9 questions are left blank, the candidate's math score is 700, which has reached the target score. If the candidate takes an irresponsible guessing attitude and answers all nine questions wrong, then the candidate's math score is not 700, but 664 out of 36. Therefore, the SAT requires candidates to treat the pre-SAT training and the exam itself with a scientific and realistic attitude.
The following is a detailed list of the scope of the SAT math test:
arithmetic
1. Arithmetic rules
2. The concept and properties of integers
3. Positive and negative, parity and consistency of integers
4. Fractions, Decimals and Percentages
5. Factors and qualitative factors
6. Continuous integers and their properties
7. The roots and power of numbers
8. Division and division of numbers
9. The greatest common divisor and the least common multiple
10. congruence
1 1. average/median/mode
12. Numerical reasoning
Algebra algebra
The power sum root of 1 figure
2. Variables and algebraic expressions
3. Factorization
4. Equation
5. algebraic inequality
6. Series
7. Negative index and fractional index
8. Function
9. Functional image movement
Geometric geometry
1. Plane geometry
2. Solid geometry
3. Plane rectangular coordinate system
Data analysis and probability
1. data analysis
2. Data interpretation
3. permutation, combination and probability
put together