expanded notation

Plural

expanded notations

a way of representing numbers as the sum of each digit multiplied by its place value

Students learn expanded notation to better understand the structure and value of numbers.
In expanded notation, the number 352 would be written as 300+50+2.
When writing numbers in expanded notation, each digit is represented according to its place value.
The expanded notation of the number 4,567 is 4,000+500+60+7.
In expanded notation, each digit of a number is represented by its place value, such as hundreds, tens, and ones.