Cut the Knot
Cut the Knot!: Pythagoras' Theorem
This site explains the Pythagorean theorem, giving a proof from Euclid, and gives a great interactive visual aid with a good explanation with it.
Texas Instruments
Texas Instruments: Numb3 Rs: To Pythagoras and Beyond
Based off of the hit television show NUMB3RS, this lesson has students discover the Pythagorean relationships of different triangle types. By the end of the lesson, students should be able to take three given side lengths and compute...
BBC
Bbc: Pythagoras' Theorem
You can pick up some valuable pointers on how to apply the Pythagorean Theorem here. When you finish working your way through the pages you can take an on-line "Test Bite," and check your understanding.
Curated OER
Science World: Pythagoras of Samos (Ca. 560 Ca. 480 Bc)
This site from ScienceWorld provides a short, informative description of many of the contributions of Pythagoras to mathematics. Links exist to some of the contributions as well as to additional information.
Curated OER
University of St Andrews: Pythagoras of Samos
This University of St. Andrews site provides much information on the life of Pythagoras of Samos.
Ministry of Education and Universities of the Region of Murcia (Spain)
Ministerio De Educacion Y Ciencia: El Teorema De Pitagoras
Interactive resources and activities that could be used in the classroom either as an introduction or review to a unit dealing with the Pythagoras Theorem. [Requires Java.]
Ministry of Education and Universities of the Region of Murcia (Spain)
Ministerio De Educacion Y Ciencia: El Teorema De Pitagoras
In Spanish. In this interactive activity you can learn and understand the concept of the Pythagoras theorem.
Ministry of Education and Universities of the Region of Murcia (Spain)
Ministerio De Educacion Y Ciencia: Demostraciones Del Teorema De Pitagoras
An interactive visual aid with a good explanation of the Pythagoras Theorem. In this unit five different demonstration will be given.
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.
Curated OER
Wikipedia: Pythagoras
Encyclopedia article about Pythagoras that focuses mainly on his life and influences on other mathematicians Also includes a number of pictures and links to additional information near the bottom of the page.
Curated OER
Math Open Reference: Biography of Pythagoras
Biography of Greek mathematician, Pythagoras, who lived from 569 BC to approximately 475 BC. His theory, known as the Pythagorean Theorem continues to be of interest to mathematicians and has more than 400 different proofs.
Curated OER
Smithsonian Libraries: Pythagoras (Ca. 580 Bce Ca. 500 Bce)
A portrait of Pythagoras from the Dibner Library of the History of Science and Technology, made available through the Smithsonian Institution's Scientific Identity Collection.
ClassFlow
Class Flow: Looking for Pythagoras Lesson 2
[Free Registration/Login Required] In this second installment, students are tasked to determine the fastest route between two sets of coordinates on a grid, determine the total number of blocks a land vehicle must travel, and find the...
Other
University of Alabama: Theano
Very little is known of the wife of Pythagoras. This site reveals an interesting tidbit about the works of the famous mathematician.
Teaching Treasures Publications
Teaching Treasures: Year Eight Nine Math (Measurement)
Display your knowledge of Pythagoras theorem, pi, measurement, and algebra using this interactive worksheet. Answers can be accessed immediately and help links are provided for learners who may have difficulty grasping these concepts....
Curated OER
Web Gallery of Art: Pythagoras and the Fisherman
An image of "Pythagoras and the Fisherman", created by Salvator Rosa in 1662 (Oil on canvas, 132 x 188 cm).
Curated OER
Educational Technology Clearinghouse: Clip Art Etc: Pythagoras
The celebrated Greek philosopher, was born in Samos, probably about 580-570 B.C. He was the son of Mnesarchus, and, perhaps, a disciple of Pherecydes.
Georgia Department of Education
Ga Virtual Learning: Stories of Egyptian Mythology
In this lesson from a unit on Egyptian Mythology, students read Egyptian Mythology stories, match pictures with names of Egyptian characters, research the Egyptian cat goddess Bastet and create an avartar for it, research and prepare to...
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...
National Institutes of Health
National Library of Medicine: Greek Medicine
Much like a great deal of western culture, modern medicine also finds its roots in ancient Greek civilization. Travel to the time of the Olympians and ancient healers to discover just how much we have learned and gained from those who...
Other
The mathlab.com: Ultimate Pythagorean Theorem Test
Open the nine clue boxes. Solve the problems inside. Each successful solution will supply you with a clue to use in the decoder grid to determine the password to claim the treasure.
Math Is Fun
Math Is Fun: Trigonometric Identities
A good introduction to trigonometric identities, equations that are always true for a right triangle and require knowledge of the functions sine, cosine, and tangent.
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.
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