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# Unit Overview: Pythagoras's theorem

## Lessons:

8 lessons

### Tilted squares

In this lesson, we will explore how to find the area of tilted squares using subtraction of triangles.

• 1 Quiz
• 16m Video
• Presentation(PPT)
• Worksheet
• Transcript

### Surds from tilted squares

In this lesson, we will explore how to express side lengths of squares in surd form by working backwards from their area.

• 2 Quizzes
• 13m Video
• Presentation(PPT)
• Worksheet
• Transcript

### Finding the length of a line from tilted squares

In this lesson, we will learn how to find the length of a line by using triangles and tilted squares.

• 2 Quizzes
• 17m Video
• Presentation(PPT)
• Worksheet
• Transcript

### Right-angled triangles and tilted squares

In this lesson, we will explore how to find side lengths of triangles which lie on tilted squares.

• 2 Quizzes
• 13m Video
• Presentation(PPT)
• Worksheet
• Transcript

### Generalising: Pythagoras's theorem

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

• 2 Quizzes
• 19m Video
• Presentation(PPT)
• Worksheet
• Transcript

### Pythagorean triples

In this lesson, we will learn about the term "Pythagorean triples" and how to recognise them.

• 2 Quizzes
• 16m Video
• Presentation(PPT)
• Worksheet
• Transcript

### Pythagoras: Finding right-angled triangles

In this lesson, we will learn how to use Pythagoras's theorem to find the height of triangles with and without right angles.

• 2 Quizzes
• 18m Video
• Presentation(PPT)
• Worksheet
• Transcript

### Pythagoras's theorem on the Cartesian plane

In this lesson, we will learn how to use Pythagoras's theorem on the Cartesian plane to help you find the distance between two given points.

• 2 Quizzes
• 20m Video
• Presentation(PPT)
• Worksheet
• Transcript