# SAT Numbers Perfect Score

To get a perfect score on SAT Math, you need to:

- Get every single problem correct.
- Have complete mastery of all of the SAT skills
- Remember the Tips and use them
- Figure out your common mistakes and avoid them

## SAT Hardest Problems

## SAT Tips for Numbers and Operations

## Numbers

- Know the properties of even and odd numbers.
- Even numbers: $\ldots, -6, -4, -2, 0, 2, 4, 6, \ldots , 2n, \ldots$, where $n$ is an integer.
- Odd numbers: $\ldots, -7, -5, -3, -1, 1, 3, 5, 7, \ldots, 2n+ 1, \ldots$, where $n$ is an integer.
- Consecutive integers: $\ldots, n-1, n, n+1, n+2, n+3 \ldots$, where $n$ is an integer.
## Number Line

- Consecutive integers: $\ldots, n-1, n, n+1, n+2, n+3 \ldots$, where $n$ is an integer.
- Only assume that the tick marks are equally spaced, nothing more.
## Factors, Divisibility, and Remainders

## Fractions and Decimals

- When dealing with fractions, one whole unit = 1.
## Ratios, Proportions, and Percents

- Know the Properties of Proportions.
- Pay attention to units.
## Sequences and Series

- For an arithmetic sequence: $a_{n}=a_{1}+(n-1)d$.
- For a geometric sequence: $a_n = a_1 \times r^{n-1}$.
- For an arithmetic series: $S_n = \frac{n(a_1+a_n)}{2}$.
- For a geometric series: $S_{n}= a_1 \times \frac{r^n -1} {r-1}, \text{where}\ r\neq 1$.
## SAT General Tips

**Cite as:**SAT Numbers Perfect Score.

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