Unit Plan
CK-12 Foundation

Ck 12: Geometry: Pythagorean Theorem and Pythagorean Triples

For Students 9th - 10th
[Free Registration/Login may be required to access all resource tools.] This concept teaches students the Pythagorean Theorem and its converse and how to apply it.
Handout
Quia

Ixl Learning: The Pythagorean Theorem

For Students 7th - 9th Standards
Brush up on your math skills relating to the Pythagorean Theorem then try some practice problems to test your understanding.
Activity
CK-12 Foundation

Ck 12: Pythagorean Theorem and Pythagorean Triple

For Students 9th - 10th Standards
[Free Registration/Login Required] Students will determine the number of pixels a phone has on the screen by using the pythagorean theorem and pythaogrean triple. Click learn more to watch a video and click challenge me to answer a...
Activity
Varsity Tutors

Varsity Tutors: Hotmath: Graphing Calculator Practice Problems Pythagorean Theorem

For Students 9th - 10th
Practice using your graphing calculator for real number problems, including the Pythagorean Theorem. If you get stumped or if you would like to check your work, then select the View Solution button, which is located directly under each...
Unit Plan
Texas Education Agency

Texas Gateway: Applying Pythagorean Triples to Solve Problems

For Students 9th - 10th
Given verbal and pictorial representations of problem situations, the student will apply patterns from right triangles whose sides are Pythagorean Triples to solve the problems.
Handout
Wolfram Research

Wolfram Math World: Pythagorean Triple

For Students 9th - 10th Standards
This site provides extensive information about Pythagorean triples. It begins by explaining its relation to the Pythagorean theorem, and then gives ways to generate Pythagorean triples using relatively prime numbers and Fibonacci numbers.
Unit Plan
CK-12 Foundation

Ck 12: Pythagorean Triples

For Students 9th - 10th
[Free Registration/Login Required] Students explore the concept of pythagorean triples by navigating through the interactive learning module and then answering questions that go along with the module. Students can also learn more about...
Handout
Wikimedia

Wikipedia: Pythagorean Triple

For Students 9th - 10th Standards
This Wikipedia article explains a Pythagorean triple -- the triangle formed by three positive integers. Includes examples and hyperlinked terms.
Activity
CK-12 Foundation

Ck 12: Swimming Pools

For Students 9th - 10th
[Free Registration/Login Required] Students use knowledge of pythagorean theorem and pythagorean triple to determine the size and compare the size of the new pool to the old pools. Click learn more to watch a video and click challenge me...
Unknown Type
Khan Academy

Khan Academy: Right Triangle Side Lengths

For Students 7th - 8th Standards
Use the Pythagorean Theorem to determine if the given side lengths could form a right triangle, i.e., which set forms a Pythagorean triple. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a...
Unit Plan
Wolfram Research

Wolfram Math World: Right Triangle

For Students 9th - 10th Standards
This site from MathWorld.com offers extensive information on right triangles. The site contains information on numerous characteristics of right triangles, including constructing similar inscribed triangles, altitudes, Pythagorean...
Whiteboard
ClassFlow

Class Flow: Difference of Squares (Algebra)

For Teachers 9th - 10th Standards
[Free Registration/Login Required] Pythagorean triples described using a number of triangles. Pythagorean Theorem reinforced using squares and triangles. Assessment built in.
Activity
Pennsylvania State University

Pennsylvania State Univ.: Trilingual Packaging Dilemma

For Students 9th - 10th Standards
This site from the Pennsylvania State University provides a hands-on activity to bridge the gap between right triangles, 30-60-90 and 45-45-90 theorems, and trigonometry, and what every student wants to know, "When will I ever use this?"...