# Generalising: Pythagoras's theorem

In this lesson, we will develop an understanding of Pythagoras' theorem by drawing upon our tilted squares knowledge.

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.Look at the diagram below and fill in the gap: The area of the larger square is equal to the ........... of the area of the two smaller squares.

1/6

Q2.What is the side length of the larger square?

2/6

Q3.What is the side length of the larger square?

3/6

Q4.What is the side length of the larger square?

4/6

Q5.If the pink triangle has a base of 10 and a height of 2. What is the area of the green tilted square?

5/6

Q6.If the pink triangle has a base of 10 and a height of 2. What is the side length of the green square?

6/6

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.Look at the diagram below and fill in the gap: The area of the larger square is equal to the ........... of the area of the two smaller squares.

1/6

Q2.What is the side length of the larger square?

2/6

Q3.What is the side length of the larger square?

3/6

Q4.What is the side length of the larger square?

4/6

Q5.If the pink triangle has a base of 10 and a height of 2. What is the area of the green tilted square?

5/6

Q6.If the pink triangle has a base of 10 and a height of 2. What is the side length of the green square?

6/6

# 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.

Quiz:

# Generalising Pythagoras's theorem

Exit Quiz

Q1.What is the name of the longest side of a right-angled triangle?

1/4

Q2.Which diagram shows the hypotenuse correctly highlighted and labelled?

2/4

Q3.A right-angled triangle has the sides a, b and c. Choose the correct formula for finding the length of side a.

3/4

Q4.Work out the length of the hypotenuse of the triangle shown below.

4/4

Quiz:

# Generalising Pythagoras's theorem

Exit Quiz

Q1.What is the name of the longest side of a right-angled triangle?

1/4

Q2.Which diagram shows the hypotenuse correctly highlighted and labelled?

2/4

Q3.A right-angled triangle has the sides a, b and c. Choose the correct formula for finding the length of side a.

3/4

Q4.Work out the length of the hypotenuse of the triangle shown below.

4/4

# Lesson summary: Generalising: Pythagoras's theorem

## 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