# Find volumes of similar shapes given corresponding lengths

In this lesson, we will use the linear scale factor to calculate the volume scale factor and find the volume of similar shapes.

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.

#### Unit quizzes are being retired in August 2023

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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.Shape A and shape B are similar. Calculate the area of shape B.

1/4

Q2.Two similar triangles have heights of 2 cm and 10 cm. The area of the smaller triangle is 5 cm². Calculate the area of the larger triangle.

2/4

Q3.Complete the missing word:

3/4

Q4.Triangle A and triangle B are similar. Calculate the base length of triangle B.

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.

#### Unit quizzes are being retired in August 2023

Why we're removing unit quizzes from the website >
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.Shape A and shape B are similar. Calculate the area of shape B.

1/4

Q2.Two similar triangles have heights of 2 cm and 10 cm. The area of the smaller triangle is 5 cm². Calculate the area of the larger triangle.

2/4

Q3.Complete the missing word:

3/4

Q4.Triangle A and triangle B are similar. Calculate the base length of triangle B.

4/4

# 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"
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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.

#### Unit quizzes are being retired in August 2023

Why we're removing unit quizzes from the website >
Quiz:

# Find volumes of similar shapes given corresponding lengths

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

Q1.Solid A and B are similar. Work out the linear scale factor.

1/3

Q2.Solid A and B are similar. Solid A has a volume of 30 cm³. Work out the volume of solid B.

2/3

Q3.There are two similar solids X and Y. Amir says that if Y has a side length double that of the corresponding side on solid X then the volume of the solid Y will be 8 times larger than X. Is Amir correct?

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.

#### Unit quizzes are being retired in August 2023

Why we're removing unit quizzes from the website >
Quiz:

# Find volumes of similar shapes given corresponding lengths

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

Q1.Solid A and B are similar. Work out the linear scale factor.

1/3

Q2.Solid A and B are similar. Solid A has a volume of 30 cm³. Work out the volume of solid B.

2/3

Q3.There are two similar solids X and Y. Amir says that if Y has a side length double that of the corresponding side on solid X then the volume of the solid Y will be 8 times larger than X. Is Amir correct?

3/3

# Lesson summary: Find volumes of similar shapes given corresponding lengths

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## 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