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.

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.

Quiz:

Know and understand Pythagoras' theorem

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

Q1.Which side is the hypotenuse?

1/4

Q2.Which side is the hypotenuse?

2/4

Q3.Which side is the hypotenuse?

3/4

Q4.Which is the correct formulae for Pythagoras’ theorem?

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.

Quiz:

Know and understand Pythagoras' theorem

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

Q1.Which side is the hypotenuse?

1/4

Q2.Which side is the hypotenuse?

2/4

Q3.Which side is the hypotenuse?

3/4

Q4.Which is the correct formulae for Pythagoras’ theorem?

4/4

Lesson summary: Know and Understand Pythagoras' theorem

It looks like you have not completed the quiz.

To share your results with your teacher please complete the quiz.

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

Browse Oak's lessons: