# Princeton R. Math Basics

## 16 terms

### Integer

A whole number that does not contain decimals, fractions, or radicals. Integers can be negative, positive, or 0.

Ex: -500, 0, 1, 28

Greater than 0.

Ex: 0.5, 25, 5/3

### Negative

Less than 0.

Ex: -72.3, -7/4, -2

### Even

An integer that is divisible by 2.

Ex: -40, 0, 2

### Odd

An integer that is not divisible by 2.

Ex: -41, 1, 3

### Sum

The result of addition.

Ex: The sum of 3 and 4 is 7.

### Difference

The result of subtraction.

Ex: The difference of 7 and 2 is 5.

### Product

The result of multiplication.

Ex: The product of 2 and 7 is 14.

### Divisor

The number you are dividing by.

Ex: 8 / 2 = 4 (2 is the divisor)

### Dividend

The number you are dividing into.

Ex: 8 / 2 = 4 (8 is the dividend)

### Quotient

The result of division.

Ex: 8 / 2 = 4 (4 is the quotient)

### Prime

A number that is divisible only by itself and 1.
Negative numbers, 0, and 1 are NOT prime.

Ex: 2, 3, 5, 7, 11

### Consecutive

In order (not necessarily ascending).

Ex: -1, 0, 1 or 10, 9, 8

### Digits

0-9; the numbers on the phone keypad.

Ex: 0, 1, 2, 3, 4, 5, 6, 7, 8, 9

### Distinct

Different.

Ex: 2 and 3 are distinct; 4 and 4 are not distinct

### Absolute Value

The distance from 0 on a number line. The absolute value is ALWAYS positive. The symbol | | means absolute value.

Ex: |4| = 4, |-4| = 4