CK-12 Foundation
Applications of the Pythagorean Theorem: Lesson
The Pythagorean Theorem works for something other than right triangles; show your class all it can do. Using information from the Pythagorean Theorem, the video shows how to determine whether a triangle is an acute or obtuse triangle....
CK-12 Foundation
Using the Pythagorean Theorem: Lesson
Is it right to use the converse? A segment of a basic geometry playlist introduces the Pythagorean Theorem and its converse. The video uses Pythagorean triples when finding whether a triangle is a right triangle or not.
TED-Ed
A Brief History of Banned Numbers
What numbers should not be shared? Numbers thoughout history have been banned for one reason or another. The resource provides details of illegal numbers and compares them to the written and spoken word. Discussion brings the idea of...
Math Antics
The Pythagorean Theorem
Be sure the class gets this one right. Using a right triangle, the video introduces the Pythagorean Theorem. The presentation breaks down the theorem into its components while providing uses of the Pythagorean Theorem and its converse.
Massachusetts Institute of Technology
Mit: Blossoms: Pythagoras and the Juice Seller
This video lesson presents a real world problem, one that a juice seller faces daily, that can be solved by using the Pythagorean theorem. [33:54]
Massachusetts Institute of Technology
Mit: Blossoms: The Pythagorean Theorem: Application and Proof
In this video lesson, students will not only learn about Pythagoras and the Pythagorean Theorem, but they will also demonstrate a proof of this theorem, use it to solve problems, and create their own real world problems to challenge the...
Sophia Learning
Sophia: Finding the Missing Side of a Pythagorean Triple: Lesson 7
This lesson demonstrates how to recognize a Pythagorean triple when you have the lengths of two sides of a right triangle. It is 7 of 10 in the series titled "Finding the Missing Side of a Pythagorean Triple."
Crash Course
Crash Course History of Science #2: The Presocratics
Meet the Presocratics in this Crash Course video. Long ago, some philosophers worked very hard to separate myths from what they actually knew about nature. Thales theorized that everything in the world is made of water. Pythagoras was a...
Sophia Learning
Sophia: Finding the Missing Side of a Pythagorean Triple: Lesson 2
This lesson demonstrates how to recognize a Pythagorean triple when you have the lengths of two sides of a right triangle. It is 2 of 10 in the series titled "Finding the Missing Side of a Pythagorean Triple."
Sophia Learning
Sophia: Finding the Missing Side of a Pythagorean Triple: Lesson 3
This lesson demonstrates how to recognize a Pythagorean triple when you have the lengths of two sides of a right triangle. It is 3 of 10 in the series titled "Finding the Missing Side of a Pythagorean Triple."