Lesson

We have looked at fractions on fraction bars and fractions on a number line .

Here is a shape divided into parts, use it to answer the following questions.

a

This shape has ⬚ equal parts.

Worked Solution

b

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

Worked Solution

Idea summary

The

**numerator**(top number) is the number of parts shaded to represent the fraction.The

**denominator**(bottom number) is the number of equal parts the shape is divided into.

Fractions can also be used to divide a collection of items into equal groups. To do this we use the:

**denominator**to divide the items into equal groups**numerator**to select the number of groups

Let's watch a video to learn more:

Which of the following shows that \dfrac{1}{3} of these ice creams have been selected?

A

B

C

Worked Solution

Idea summary

To find a fraction of an amount, use the:

**denominator**(bottom number) to divide the items into equal groups.**numerator**(top number) to select the number of groups.