Instructional Video
Khan Academy

Khan Academy: Worked Examples: Geometry: Pythagorean Theorem, Area

9th - 10th Standards
Students watch a video tutorial to learn how to solve area problems of composite figures using the Pythagorean Theorem.
Instructional Video
Khan Academy

Khan Academy: Triangles: Another Pythagorean Theorem Proof

9th - 10th Standards
Students explore the Pythagorean Theorem by exploring a visual proof of the Theorem as they watch a video tutorial.
Instructional Video
Sophia Learning

Sophia: Finding the Missing Side of a Pythagorean Triple: Lesson 2

9th - 10th
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."
Instructional Video
Sophia Learning

Sophia: Finding the Missing Side of a Pythagorean Triple: Lesson 3

9th - 10th
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."
Instructional Video
Sophia Learning

Sophia: Pythagorean Theorem

9th - 10th Standards
We introduce the Pythagorean Theorem and show how it can be used to help solve real world problems. Student watch a video tutorial and then take an online quiz.