Pythagoras Teacher Resources

Find Pythagoras lesson plans and worksheets
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Math Antics Geometry Video Lessons

For Teachers 4th - 8th Standards
The point of this collection of 12 videos is to introduce learners to three basic parts of geometry—points, lines, and planes. The presenter provides definitions, shows how to classify shapes, provides examples, and shows how to use...
7:25
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Pythagoras

For Students 6th - 12th Standards
Even Pythagoras couldn't explain it better. Scholars watch an informative video that shows how to solve for missing sides of a right triangle using the Pythagorean Theorem. It covers four examples: two for finding the hypotenuse and two...
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Flying with Pythagoras

For Teachers 7th - 10th
A lengthy narrative about Pythagoras and his students precedes an activity in which your young mathematicians practice using the Pythagorean theorem to solve three problems about flight and distance. Answers are provided. 
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Pythagoras' Theorem

For Teachers 8th - 12th
Learners are introduced to the Pythagoras' Theorem and its history, proofs and practice in application. Students find perimeters, areas and volume of everyday objects. Learners state and explain the theory.
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Pythagoras and Distance Formula

For Students 9th - 11th
In this Pythagoras and Distance Formula learning exercise, students read real-life story problems, determine needed information, write equations, and then solve the problem. Students use the Pythagorean Theorem and Distance Formula to...
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Learning Unit: The Pythagorean Theorem

For Teachers 8th - 10th
Middle and high schoolers research the life of Pythagoras and the Pythagorean theorem. They write a short biography of Pythagoras and learn to apply the theorem in their study of right triangles.
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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...
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Refiguring Pythagoras

For Students 6th - 8th
Why was Pythagoras so obsessed with squares? The assessment task posits the question of whether the geometric interpretation of the Pythagorean Theorem holds for figures other than squares. Scholars first consider the case of semicircles...
6:29
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Pythagoras Rectangles and Isosceles Triangles

For Students 7th - 12th Standards
When does the Pythagorean Theorem come in handy? An intriguing video uses the Pythagorean Theorem to solve problems other than simply finding the length of a side of a right triangle. Pupils find the diagonal of a rectangle and the...
9:23
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3D Pythagoras

For Students 6th - 12th Standards
Calculate one hypotenuse then repeat. The resource provides a variety of ways for finding the length of the diagonal in a prism. Using the Pythagorean Theorem, pupils find a variety of distances in 3-D figures. The distances range from...
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Proving Pythagoras

For Teachers 8th - 10th
Students prove the theorem of Pythagoras. In this Pythagorean Theorem lesson, students define the different parts of a right triangle. They use the Pythagorean Theorem to solve for the missing sides and angles of a right triangle.
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Getting It Right!

For Teachers 6th - 8th
Students construct right triangles, measuring the sides and recording the measurements in spreadsheets. They analyze their measurements for patterns and research the Internet for information on Pythagoras.
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Pythagoras' Theorem

For Students 7th - 10th Standards
Use a right method to find a distance. Given a right triangle, class members find the length of one side given the measurement of the other two sides—the missing side may or may not be the hypotenuse. A video reminds the pupils how to...
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Proving (a Theorem) and Disproving (a Theory)

For Teachers 7th - 12th
As a cross-curricular lesson, your class examines the issues of gender discrimination, careers, and gender roles. They read and discuss an article, prepare a proof of the Pythagorean theorem as a class, and develop a creative...
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Pythagoras' Theorem

For Students 6th - 7th
For this triangles worksheet, students solve 40 problems in which Pythagoras' theorem is used to check if a triangle is right-angled. This page is intended for online use but may be completed on paper.
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Pythagoras' Theorem

For Students 5th - 10th
In this Pythagoras' Theorem activity, students solve problems having to do with square roots and numbers to a certain power. Students match up the answers for 30 problems.
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Mathematicians

For Teachers 5th - 7th
Some early contributors to the world of mathematics are presented in this PowerPoint. A total of nine men, such as Pythagoras and Galileo, are shown in the slides which contain their lifespan, their contributions to the world of...
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Hey, Pythagoras! Help Me Understand Your Theorem!

For Teachers 8th - 12th
Learners explore the Pythagorean Theorem. In this math lesson plan, pupils solve problems using the Pythagorean Theorem. They select the appropriate numbers to substitute in the formula to solve problems.
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Practicing Pythagoras

For Students 6th - 8th
In this math worksheet, learners practice answering the questions for finding the hypotenuse of the given triangles while using the Pythagorean Theorem.
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Problems in Context

For Students 6th - 11th
In this Pythagoras' Theorem worksheet, learners read through an explanation of how to solve problems with Pythagoras' Theorem and answer 4 questions in the explanation. Then, students use Pythagoras' Theorem to answer 6 problems. They...
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Gougu Rule or Pythagoras' Theorem

For Teachers 5th
Fifth graders explore Pythagoras' Theorem. They examine the pattern linking the length of the hypotenuse of a right angled triangle and the length of the other two sides. Students find an unknown side in right angled triangles.
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3-D Pythagoras

For Students 9th - 12th
Apply the Pythagorean Theorem in three-dimensional shapes. Young mathematicians watch a video that takes them through several examples of using the Pythagorean Theorem to solve problems involving lengths in three-dimensional figures. A...
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What's My Angle, Pythagoras? (Pythagorean Theorem)

For Teachers 9th - 10th
Students solve problems using the Pythagorean Theorem. In this geometry instructional activity, students solve for the missing angles of triangles. They apply ratios of the Pythagoras formula to solve for the missing side and angles.
4:02
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Pythagoras' Theorem

For Students 8th - 12th Standards
Explore the relationship of the square of the sides of a right triangle. After developing the Pythagorean Theorem, the video instructor presents practice problems and their solutions. She calculates the hypotenuse and then a leg of a...

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