A digit’s value in a whole number depends on its place: in three-digit numbers through 999, a digit may represent ones, tens, or hundreds, with each position worth ten times the position to its right. This understanding connects standard notation to expanded form and place-value representations, and distinguishes the digit’s written symbol from the quantity it represents; decimals and place values beyond hundreds are not included.
A digit’s value depends on its place in a number:
Each place is times the place to its right.
Example: What is the value of the digit in ?
Find the digit :
Look at its place. The is in the tens place.
Each digit in the tens place is worth times its digit:
So, the value of the digit in is .
The number can also be written in expanded form:
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