A unitary ratio is any ratio where one part of the ratio is 1

Checking and securing understanding of simplifying and unitising ratios

Maths

In the compound measures unit, pupils will be exploring the multiplicative relationship between different compound measures. Ratio will be one of the ways in which this is explored and the skills from this unit will aid understanding.

The ratio unit will cover comparing fractions, percentages and ratios and being able to move fluently between them. The percentages unit ensured pupils had the opportunity to work with finding the percentage of an amount and the opportunity to calculate interest.

Ratio

What is the ratio of triangles to circles in its simplest form?

Select the ratio of shaded to unshaded squares written in its simplest form

Write the ratio 30 : 36 in its simplest form

Write the ratio of triangles to circles in the form $$1 : n$$ where $$n$$ is a decimal.

A travel company offer for every £10 you get $16. 
Write the ratio of £ to $ in the form 1 : $$n$$

Which of these are equivalent to $$\frac{6}{18}$$?

Select the correct ratio of shaded to unshaded squares shown on this diagram. 

Select which of these show $$\frac{6}{18}$$ written in its simplest form.

Which of these shows the ratio of circles to triangles?

This lesson will be removed by end of Summer Term 2025.

Checking and securing understanding of simplifying and unitising ratios

Lesson outcome

This lesson will be removed by end of Summer Term 2025.