5th Grade · Number & Operations—Fractions
Fraction
5.NF.A.1
Definition
A number that names equal parts of a whole, written as a numerator over a denominator.
Examples
- 3/4 means 3 of 4 equal parts.
- 1/2 means 1 of 2 equal parts.
Key rule
The top number is the numerator; the bottom number is the denominator.
Memory hook
Top counts the parts, bottom names the whole.