Activity
5280 Math

Pythagorean Triples

For Teachers 10th - 12th
From Pythagorean triples to the unit circle. Learners use the Pythagorean Theorem to find Pythagorean triples and then relate their work to the unit circle in a fun algebra project. Their discovery that x^2+y^2 is always equal to one on...
Activity
1
1
Illustrative Mathematics

Converse of the Pythagorean Theorem

For Teachers 7th - 9th Standards
Use the given tasks and detailed teacher's commentary to introduce your 8th graders to the Pythagorean theorem and its converse. Embedded links to information about Egyptian geometry make your presentation interesting. Consider...
Activity
101 Questions

Viewmongous TV

For Teachers 6th - 8th Standards
Just how big of a TV do you need?! The task at hand asks individuals to compare the area of 80-inch and 55-inch TVs. The length of the TV is given and learners must use the Pythagorean Theorem to determine the width to calculate the areas.
Lesson Plan
1
1
Curated OER

Trina's Triangles

For Teachers 8th - 11th Standards
Practice evaluating polynomial expressions at the same time you find Pythagorean Triples. Look for patterns and find examples when the "formula" does and doesn't work. Finally, verify the formula by proving the identity true.
Activity
Under the Dome

The Pythagoras Tree

For Students 8th Standards
View a tree designed by Pythagoras. Pupils watch a video as a tree is built by using squares representing the side lengths of a right triangle, with each side of the squares becoming the side of another triangle. Learners come up with...
Activity
Texas Instruments

Texas Instruments: Numb3 Rs: Pythagorean Triples

For Teachers 9th - 10th Standards
Based off of the hit television show NUMB3RS, this lesson has students explore the notion of Pythagorean triples, the "traditional" method for finding Pythagorean triples, and a method to find triples which utilizes the Fibonacci...
Activity
Varsity Tutors

Varsity Tutors: Hotmath: Algebra Review: Pythagorean Triples

For Students 9th - 10th Standards
Find a quick, concise explanation of Pythagorean triples. Examples are given and clearly explained.
Activity
Math Is Fun

Math Is Fun: Pythagorean Triples

For Students 9th - 10th Standards
Students investigate the sets of whole numbers that are Pythagorean triples. A definition and examples are included.
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
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...
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...
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?"...