Decrease by a percentage

In this lesson, we will learn how to decrease an amount by a percentage, by using a decimal multiplier.

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.To increase 300 by 40%, I multiply 300 by...

1/3

Q2.To increase 300 by 16%, I multiply 300 by...

2/3

Q3.To increase 300 by 5%, I multiply 300 by...

3/3

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.To increase 300 by 40%, I multiply 300 by...

1/3

Q2.To increase 300 by 16%, I multiply 300 by...

2/3

Q3.To increase 300 by 5%, I multiply 300 by...

3/3

Video

Click on the play button to start the video. If your teacher asks you to pause the video and look at the worksheet you should:

• Click "Close Video"
• Click "Next" to view the activity

Your video will re-appear on the next page, and will stay paused in the right place.

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.

Quiz:

Percentages Lesson 8:

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

Q1.To DECREASE 80 by 30%, I multiply 80 by...

1/3

Q2.To DECREASE 80 by 8%, I multiply 80 by...

2/3

Q3.If I decrease 60 by 40%, my answer is...

3/3

Quiz:

Percentages Lesson 8:

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

Q1.To DECREASE 80 by 30%, I multiply 80 by...

1/3

Q2.To DECREASE 80 by 8%, I multiply 80 by...

2/3

Q3.If I decrease 60 by 40%, my answer is...

3/3

Lesson summary: Decrease by a percentage

Time to move!

Did you know that exercise helps your concentration and ability to learn?

For 5 mins...

Move around:
Jog

On the spot:
Dance