# Measure and calculate the perimeter of rectangles in centimetres and millimetres

In this lesson, we will learn what perimeter is and how to calculate it.

# 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: Measure and calculate the perimeter of rectangles in centimetres and millimetres

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The next lesson in Area and perimeter is "Draw shapes of a given perimeter "