Maths glossary · Ireland
Expanded form
A way of writing a number as the sum of the value of each digit.
Expanded form shows the place value of every digit, so you can see what each one is worth.
Example: 356 = 300 + 50 + 6.
Lessons, worksheets, practice and tools on this: Place value.
Related words
- Place value: The value a digit has because of where it sits in a number.
- Rounding: Changing a number to a nearby, simpler number.
- Digit: One of the ten symbols 0, 1, 2, 3, 4, 5, 6, 7, 8 and 9 used to write numbers.