# Calculate the perimeter of simple compound shapes

In this lesson, we will learn how to calculate the perimeter of compound shapes.

#### 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.How many centimetres are equivalent to 3 metres?

1/4

Q2.One side of a square measures 3.2 metres. What is the perimeter in centimetres?

2/4

Q3.If one side of a square measures 10mm, what will it's perimeter be? *

3/4

Q4.What is the perimeter of the rectangle below in centimetres?

4/4

#### 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.How many centimetres are equivalent to 3 metres?

1/4

Q2.One side of a square measures 3.2 metres. What is the perimeter in centimetres?

2/4

Q3.If one side of a square measures 10mm, what will it's perimeter be? *

3/4

Q4.What is the perimeter of the rectangle below in centimetres?

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"
• 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.

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

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

# Calculate the perimeter of simple compound shapes

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

Q1.What is the perimeter of this shape?

1/4

Q2.What is a composite shape?

2/4

Q3.The perimeter of a regular octagon is 88 mm. How long is each side?

3/4

Q4.What is the perimeter of the shape below?

4/4

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

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

# Calculate the perimeter of simple compound shapes

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

Q1.What is the perimeter of this shape?

1/4

Q2.What is a composite shape?

2/4

Q3.The perimeter of a regular octagon is 88 mm. How long is each side?

3/4

Q4.What is the perimeter of the shape below?

4/4

# Lesson summary: Calculate the perimeter of simple compound shapes

## Time to move!

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

For 5 mins...

Move around:
Climb stairs

On the spot:
Chair yoga