5th Grade · Number & Operations in Base Ten
Standard Form
5.NBT.A.3a
Definition
A number written with digits in the usual way, such as 4,302.5.
Examples
- Four thousand, three hundred two and five tenths written in standard form is 4,302.5.
- 400 + 30 + 2 + 0.5 written in standard form is 432.5.
Key rule
Standard form uses digits and place value, not words or expanded sums.
Memory hook
The 'normal' way to write a number.