Cuemath
Cuemath: Pythagoras Theorem
In this lesson, you will learn about the Pythagoras theorem, its derivations, and equations followed by solved real-world problems on the Pythagoras theorem triangle and squares.
Other
About Scotland: Pythagoras: Music and Space
A study on Pythagoras and how he used geometry to explain parts of music, including harmony, proportion, and space.
Mathigon
Mathigon: Geometry: Triangles and Trigonometry: Pythagoras' Theorem
Pythagoras' Theorem: In any right-angled triangle, the square of the length of the hypotenuse (the side that lies opposite the right angle) is equal to the sum of the squares of the other two sides. (A+B=C)
Yale University
Ynhti: The Early Greeks Contribution to Geometry
Joseph A. Montagna gives an introduction to geometry and the life of Pythagoras. There are lesson ideas and teacher/student bibliographies as well.
Geometry Help
Geometry Help: Pythagorean Theorem
Explains the basic concept of the Pythagorean Theorem with step-by-step instructions and methods for solving specific problems on your own relating to this topic.
Math Is Fun
Math Is Fun: Unit Circle
Students learn about the unit circle. Topics include degrees, radians, and Pythagoras' Theorem. The tutorial consists of notes and examples.
CK-12 Foundation
Ck 12: Flex Book: Pythagorean Theorem
[Free Registration/Login may be required to access all resource tools.] Learning module that introduces students to the Pythagorean Theorem. Topics include history, applications, and proofs related to this geometry concept.
New York Times
New York Times: Steven Strogatz on the Elements of Math Series the New York Times
[Free Registration/Login Required] On this site, Cornell University mathematics professor, Steven Strogatz, shares his 15-part series of columns on the elements of math. He investigates topics ranging from negative numbers to subtraction...
Oswego City School District
Regents Exam Prep Center: Pythagorean Theorem
Who was Pythagoras and what is his theorem? Explore this concept and its relationship to the measurement of a right triangle in this test prep lesson plan. The lesson includes an interactive worksheet where middle schoolers discover the...
University of Kentucky
The Physics and Math of Music
Read about a math research project done by three college students which helps us see physics and math in music. Here's a great approach for integrating curriculum!
Cuemath
Cuemath: Right Angled Triangle
Explore and learn about the features and properties of a right triangle in this lesson. Includes examples and practice questions.
ClassFlow
Class Flow: Pythagorean Theorem
[Free Registration/Login Required] This flipchart is a lesson on the Pythagorean Theorem. This has just about everything you need to teach the concept including, video, practice, and Activote assessment. In addition, there are two other...
ClassFlow
Class Flow: Pythagorean Theorem Quiz
[Free Registration/Login Required] This flipchart is a Pythagorean Quiz. This quiz goes with Pythagorean Theorem Lesson. There is also a flowchart that goes with this lesson.
Oswego City School District
Regents Exam Prep Center: Length of a Line Segment (Distance)
Use the coordinate plane and Pythagorean theorem to determine the length of a line segment. Click on the "Topic Index" to find a related practice exercise and teacher resource.
Cut the Knot
Cut the Knot!: Example of Convergent Infinite Series
This site explains the sum of a simple convergent series using a geometric illustration.
Cut the Knot
Cut the Knot!: The Law of Cosines (Cosine Rule)
This site from Cut The Knot provides an overview of the law of cosines, complete with an explanation of the law and a proof of the law.
Other
Edumat: Geometria Interactive
In this section different interactive activities are presented which can be used as supplementary material to traditional classroom and allow for interactive study of mathematics.