Model Part of a Whole

A fraction is a number that names part of a whole or part of a group.

Write a fraction in numbers and in words to name the shaded part.

The rectangle is divided into 5 equal parts, 4 out of the 5 parts are shaded.

The numerator tells how many parts are being counted. There are 4 parts shaded, so 4 will be the numerator.

The denominator tells how many equal parts are in the whole. There are 5 equal parts, so 5 will be the denominator.

Learn more about defining and modeling a fraction by reading the explanation below.

Practice Time! Write a fraction in numbers and in words to name the shaded part in the exercise below.