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The Pythagorean Theorem

Grade 645 min

Learning Objective

I can use the Pythagorean theorem to calculate the length of the sides in a right triangle.

Lesson Flow

Watch Video

6 min

How many ways are there to prove the Pythagorean theorem? - Betty Fei

TED-Ed

Practice

14 min

2 questions • Short answer

Exit Ticket

5 min

“A right triangle has one leg measuring 7 units and a hypotenuse measuring 25 units. Find the length of the missing leg. Show all work. A right triangle has one leg measuring 9 meters and a hypotenuse measuring 15 meters. Find the length of the other leg. Show all work. ”

Teacher Guide

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  • Answer keys for all questions
  • Differentiation strategies
  • Extension activities
  • Printable student handouts

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