Definitions [4]
Definition: Number
A number is a count or an amount. It tells you how many things there are.
Examples:
- 3 (means "three items")
- 15 (means "fifteen items")
- 72 (means "seventy-two items")
- 0 (means none or nothing)
Definition: Unit
A unit is the first and the smallest natural number used as a standard of measurement.
Example:
- 1 pen, 1 boy, 1 meter, 1 day.
- Unit of length: 1 meter
- Unit of weight: 1 kilogram
Definition: Numeral
A numeral is how we write a number.
Examples:
- 3 is the numeral for three.
- 15 is the numeral for fifteen.
- 72 is the numeral for seventy-two.
Definition: Numeration
Numeration is the way a number is expressed in words or through a language system.
Examples:
- 3 is written as three in words.
- 15 is written as fifteen.
- 72 is written as seventy-two.
