# Know and Understand Pythagoras' theorem

In this lesson, Pythagoras' Theorem will be introduced. We will learn what the theorem is, and practise skills we will use to calculate missing sides such as squaring and finding the square root of a number.

# 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: Know and Understand Pythagoras' theorem

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## Time to move!

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

For 5 mins...

Move around:

Walk

On the spot:

Dance