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### Video Lesson

Subject
Math

Description of the video lesson
In the 2 videos on Pythagorean Theorem students will learn how to:
- Define the Pythagorean theorem
- Solve equations using the Pythagorean Theorem
- Apply the Pythagorean theorem to determine unknown side lengths in right triangles in real-world and mathematical problems in two and three dimensions.

Level of English
Basic English vocabulary

Pre-requisites
Students should have basic English and should also have some knowledge about triangles and angles.

Language aims
Basic English vocabulary linking with mathematical and technical terms.

Key words: Pythagorean Theorem, Pythagoras Theorem
Hypotenuse, triangle, angle, right-angle triangle, square root, leg, side, equation, formula

Subject aims
Upon completion of this lesson, students should be able to:
- Define the Pythagorean theorem
- Solve equations using the Pythagorean Theorem
- Know key vocabulary in English

Students' Difficulties
Students have problems with solving real-life problems and writing the correct equation using the Pythagorean theorem.

Students' Skills
Apply the Pythagorean theorem to determine unknown side lengths in right triangles in real-world and mathematical problems in two and three dimensions.

Two and three dimension images used in conjunction with animation to assist in student understanding of Pythagorean theorem

### Language Skills Developed

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