Grade 3Math

Sharing One Whole as a Unit Fraction

Sharing One Whole as a Unit Fraction is a Grade 3 math skill from Eureka Math introducing unit fractions as what you get when one whole is divided equally into n parts. A unit fraction is written as 1/n and represents exactly one of those n equal parts. For example, if a whole is divided into 6 equal parts, each part is 1/6. This concept is the entry point for all fraction understanding, establishing the meaning of the denominator and connecting the act of fair sharing to fractional notation.

Key Concepts

A unit fraction represents one equal part of a whole. If a whole is divided into $n$ equal parts, one of those parts is the unit fraction $\frac{1}{n}$.

Common Questions

What is a unit fraction?

A unit fraction is a fraction with numerator 1, written as 1/n. It represents one of n equal parts of a whole.

How do you find the unit fraction when sharing one whole?

Divide the whole into n equal parts. Each part is the unit fraction 1/n. For example, sharing one pizza equally among 8 people gives each person 1/8.

What does the denominator in a unit fraction tell you?

The denominator tells you into how many equal parts the whole was divided. The larger the denominator, the smaller each individual part.

What is the difference between 1/4 and 1/8?

Both are unit fractions. 1/4 is one of 4 equal parts (bigger pieces). 1/8 is one of 8 equal parts (smaller pieces). Dividing into more parts makes each part smaller.

In which textbook is Sharing One Whole as a Unit Fraction taught?

This skill is taught in Eureka Math, Grade 3.