# Calculating the perimeters of shapes in m and cm

In this lesson, we will look at regular and irregular 2D shapes and calculate their perimeters in mixed units

#### 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.Which number sentence is correct?

1/5

Q2.Which number sentence is correct?

2/5

Q3.Which number sentence is correct?

3/5

Q4.Which number sentence is correct?

4/5

Q5.Which number sentence is correct?

5/5

#### 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.Which number sentence is correct?

1/5

Q2.Which number sentence is correct?

2/5

Q3.Which number sentence is correct?

3/5

Q4.Which number sentence is correct?

4/5

Q5.Which number sentence is correct?

5/5

# 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.

# Lesson summary: Calculating the perimeters of shapes in m and cm

## Time to move!

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

For 5 mins...

Move around:
Jog

On the spot:
Chair yoga