Year 9

# Pythagoras's theorem

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## Lessons (8)

In this lesson, we will explore how to find the area of tilted squares using subtraction of triangles.
1 Slide deck
1 Worksheet
1 Quiz
1 Video
In this lesson, we will explore how to express side lengths of squares in surd form by working backwards from their area.
1 Slide deck
1 Worksheet
2 Quizzes
1 Video
In this lesson, we will learn how to find the length of a line by using triangles and tilted squares.
1 Slide deck
1 Worksheet
2 Quizzes
1 Video
In this lesson, we will explore how to find side lengths of triangles which lie on tilted squares.
1 Slide deck
1 Worksheet
2 Quizzes
1 Video
In this lesson, we will develop an understanding of Pythagoras' theorem by drawing upon our tilted squares knowledge.
1 Slide deck
1 Worksheet
2 Quizzes
1 Video
In this lesson, we will learn about the term "Pythagorean triples" and how to recognise them.
1 Slide deck
1 Worksheet
2 Quizzes
1 Video
In this lesson, we will learn how to use Pythagoras's theorem to find the height of triangles with and without right angles.
1 Slide deck
1 Worksheet
2 Quizzes
1 Video
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.
1 Slide deck
1 Worksheet
2 Quizzes
1 Video