5th Grade · Number & Operations in Base Ten

Place Value

5.NBT.A.1

Definition

The value of a digit based on its position in a number.

Examples

  • In 3,425.16, the 4 is in the hundreds place, worth 400.
  • In 3,425.16, the 1 is in the tenths place, worth 0.1.

Key rule

Each place is ten times the value of the place to its right.

Memory hook

Same digit, different value — it's all about position.