Calculate Percentage Change

In this lesson, we will learn about how to determine the proportional percentage increase or decrease between two values

This quiz includes images that don't have any alt text - please contact your teacher who should be able to help you with an audio description.

Quiz:

Intro quiz - Recap from previous lesson

Before we start this lesson, let’s see what you can remember from this topic. Here’s a quick quiz!

Q1.Increase 70 by 35%

1/3

Q2.Decrease 225 by 75%

2/3

Q3.An adult ticket for the cinema costs £12.80. A child ticket is half the price of an adult ticket. Mr and Mrs Smith and their six children go to see a movie. Mrs Smith has a voucher for 22% off. How much money does she save?

3/3

This quiz includes images that don't have any alt text - please contact your teacher who should be able to help you with an audio description.

Quiz:

Intro quiz - Recap from previous lesson

Before we start this lesson, let’s see what you can remember from this topic. Here’s a quick quiz!

Q1.Increase 70 by 35%

1/3

Q2.Decrease 225 by 75%

2/3

Q3.An adult ticket for the cinema costs £12.80. A child ticket is half the price of an adult ticket. Mr and Mrs Smith and their six children go to see a movie. Mrs Smith has a voucher for 22% off. How much money does she save?

3/3

Video

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Worksheet

These slides will take you through some tasks for the lesson. If you need to re-play the video, click the ‘Resume Video’ icon. If you are asked to add answers to the slides, first download or print out the worksheet. Once you have finished all the tasks, click ‘Next’ below.

This quiz includes images that don't have any alt text - please contact your teacher who should be able to help you with an audio description.

Quiz:

Calculate Percentage Change

Don’t worry if you get a question wrong! Forgetting is an important step in learning. We will recap next lesson.

Q1.An item was bought for £40 then sold for £50. The selling price was a percentage increase of 20%.

1/4

Q2.An item was bought for £40 then sold for £60. Find the percentage change.

2/4

Q3.An item was bought for £80 then sold for £50. Find the percentage change.

3/4

Q4.A clothes shop normally sells their goods at 80% above cost price. In a sale, the shop reduces the prices by 25%. What percentage profit does the shop make on clothes sold in the sale?

4/4

This quiz includes images that don't have any alt text - please contact your teacher who should be able to help you with an audio description.

Quiz:

Calculate Percentage Change

Don’t worry if you get a question wrong! Forgetting is an important step in learning. We will recap next lesson.

Q1.An item was bought for £40 then sold for £50. The selling price was a percentage increase of 20%.

1/4

Q2.An item was bought for £40 then sold for £60. Find the percentage change.

2/4

Q3.An item was bought for £80 then sold for £50. Find the percentage change.

3/4

Q4.A clothes shop normally sells their goods at 80% above cost price. In a sale, the shop reduces the prices by 25%. What percentage profit does the shop make on clothes sold in the sale?

4/4

Lesson summary: Calculate Percentage Change

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