Lesson

Can you find the number of equal parts a shape is divided up into?

Here is a fraction bar.

Complete the statements below.

a

This fraction bar has ⬚ equal parts.

Worked Solution

b

Each part is \dfrac{⬚}{⬚} of the whole.

Worked Solution

Idea summary

When writing unit fractions:

The number of equal parts the whole is divided into is the

**denominator**(bottom number).The

**numerator**is 1.

This video looks at fraction bars for fractions with denominators up to tenths.

Which of the following shows \dfrac{5}{7} on a fraction bar?

A

B

C

Worked Solution

Idea summary

When writing fractions using fraction bars:

- The
**denominator**(bottom number) shows the number of equal parts the whole is divided into. - The
**numerator**(top number) shows how many parts are shaded, so shows the value of the fraction.

represents, models and compares commonly used fractions and decimals