5th Grade · Number & Operations—Fractions

Numerator

5.NF.A.1

Definition

The top number of a fraction, showing how many equal parts are counted.

Examples

  • In 3/5, the numerator is 3 (the shaded parts).
  • In 7/8, the numerator is 7.

Key rule

The numerator counts the parts being described.

Memory hook

The numerator is on top, counting the parts you have.