# Number - Definition with Examples

## What are Numbers?

Number Definition: A number, in mathematics world, describes quantities and values. Numbers are used for counting different quantities, quantifying measurements, calculations and much more.

Numerals and different symbols are used to represent different types of number.

## Different Types of Numbers

**Cardinal Numbers**

Cardinal numbers are referred to as the “counting numbers“ that are used to count things.

**Ordinal Numbers**

These are the mathematical numbers that gives idea about the position of something in a given list. Ordinal numbers are written by adding ST, ND , RD ,TH as superscript to a cardinal number.

**Whole Numbers**

Whole numbers are same as counting numbers starting from 0.

**Decimal Numbers**

Decimal numbers consist of two parts: whole number and decimal part separated by a decimal point.

**Integers**

Integers include zero, positive and negative whole numbers without fractional part or decimals.

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