Ten Digits Make All Numbers

Fingers are also called "digits" and there are also 10 of them, and we use them to count.

The tenth finger is called "ten" or 10, which is comprised of two digits, 1 and 0.

The 10 digits are also known as NUMERALS.

The Romans had a different system of numbers, called Roman Numerals:

We use a Base Ten System to encode (write) and decode (read) numbers.

Where the digits are placed, determines the meaning or value.

The position of letters changes a word:

tab bat 

X L C D M

10 50 100 500 1000

The position of digits changes the meaning of a number:

01 10

Like only one car fits in a parking space, only one digit can fit in a number parking place.