# Finding 100%

In this lesson, you will learn about how useful 100% is, and how we use it to solve various percentage problems.

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!

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## Q5.If you decreased an amount by 60%, the decimal multiplier would be 1.60.

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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!

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# 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.

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:

# Finding 100%

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

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## Q5.If I know something costs £2.10 in a 30% off sale, then i would do £2.10 = 70% and scale accordingly to get that 100% = £3 to find the original amount.

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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:

# Finding 100%

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

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# Lesson summary: Finding 100%

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