# 1.1 Subsets Of Real Number System

## 20 terms · Real Number System

### Real Number

The set of rational and irrational numbers. Any number that exists.

### Rational Number

Any number that can be written in the form of a fraction a/b. These decimals terminate or repeat.

### Whole Number

The set of natural numbers including zero. 0,1,2,3,4,.....

### Integer

The set of whole numbers and their opposites. -3,-2,-1,0,1,2,3,.....

### Natural Number

The set of counting numbers. 1,2,3,4,5,......

### Irrational Number

Any number that cannot be written in the form of a fraction a/b. These decimals do not terminate or repeat.

Real, Rational

Real, Rational

### -6

Real, Rational, Integer

### 0

Real, Rational, Integer, Whole

Real, Rational

Real, Rational

### 2

Real, Rational, Integer, Whole, Natural/Counting

### √25

Real, Rational, Integer, Whole, Natural/Counting

Real, Irrational

Real, Rational

Real, Irrational

Real, Irrational

### -√100

Real, Rational, Integer

Real, Rational