# Pythagorean Theorem Teacher Resources

Find Pythagorean Theorem lesson plans and worksheets
Showing 49 - 72 of 866 resources
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EngageNY

#### Informal Proof of the Pythagorean Theorem

For Students 8th Standards
Prove the Pythagorean Theorem using multiple informal proofs. Scholars first develop an understanding of the origins of the Pythagorean Theorem through proofs. They round out the activity by using the theorem to find missing side lengths...
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EngageNY

#### Converse of the Pythagorean Theorem

For Students 8th Standards
Discover a new application of the Pythagorean Theorem. Learners prove and apply the converse of the Pythagorean Theorem in the 17th lesson in a 25-part series. The examples ask learners to verify right triangles using the converse of the...
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EngageNY

#### Pythagorean Theorem, Revisited

For Students 8th Standards
Transform your pupils into mathematicians as they learn to prove the popular Pythagorean Theorem. The 16th lesson in the series of 25 continues by teaching learners how to develop a proof. It shows how to prove the Pythagorean Theorem...
Lesson Planet

#### Discovering the Pythagorean Theorem

For Teachers 8th Standards
Young mathematicians join the ancient order of the Pythagoreans by completing an assessment task that asks them to find the area of tilted squares on dot paper. They then look at patterns in the squares to develop the Pythagorean Theorem.
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EngageNY

#### Prove the Pythagorean Theorem Using Similarity

For Students 9th - 10th Standards
Amaze your classes with the ability to find side lengths of triangles immediately — they'll all want to know your trick! Learners use the Pythagorean Theorem and special right triangle relationships to find missing side lengths.
Lesson Planet

#### The Pythagorean Theorem

For Students 8th - 11th Standards
There isn't a more popular geometry formula than the Pythagorean Theorem! Learners understand the special side relationships in a right triangle. They use the Pythagorean Theorem to find missing sides and to solve problems. They begin...
Lesson Planet

#### Pythagorean Theorem and Converse

For Students 8th Standards
You've heard that it is true, but can you prove it? Scholars learn the Pythagorean Theorem through proof. After an overview of proofs of the theorem, learners apply it to prove triangles are right and to problem solve. This is the second...
4:37
Lesson Planet

#### Using the Pythagorean Theorem: Lesson

For Students 8th - 11th Standards
Is it right to use the converse? A segment of a basic geometry playlist introduces the Pythagorean Theorem and its converse. The video uses Pythagorean triples when finding whether a triangle is a right triangle or not.
4:10
Lesson Planet

#### Pythagorean Theorem Proof

For Students 7th - 10th Standards
No geometry class is complete without a proof. A short video in the Socratica Geometry playlist covers an algebraic proof of the Pythagorean Theorem. Simplifying an equation with two equivalent expressions for the area of a square leads...
3:08
Lesson Planet

#### Pythagorean Theorem

For Students 9th - 12th Standards
A YouTube video efficiently describes the process of using the Pythagorean Theorem. It includes an example of finding the hypotenuse and another that finds the length of a leg.
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#### Pythagorean Theorem

For Students 7th - 10th
In this Pythagorean theorem worksheet, students use the Pythagorean theorem to find the missing unit of the triangle. Students solve 10 problems.
1:35
Lesson Planet

#### Pythagorean Theorem

For Teachers 7th - 9th
The Pythagorean Theorem, which states the relationship between the length of the sides of a right triangle and the length of the hypotenuse is shown. Several same-sized triangles are created to form a square and then manipulated to prove...
Lesson Planet

#### Solving Equations Using the Pythagorean Theorem: Cryptography

For Students 8th - 10th Standards
Don't keep this resource a secret. Individuals learn to use the Pythagorean Theorem to find Pythagorean triples. They also see how Pythagorean triples can be useful in the field of cryptography to encrypt secret messages.
Lesson Planet

#### Proof of the Pythagorean Theorem Using Transformations

For Teachers 9th - 12th Standards
Middle and high schoolers construct a triangle using Cabri Jr. They construct squares on each of the legs and hypotenuse of the triangle. Pupils show that the area of the squares on the leg equal the area of the square on the hypotenuse.
7:37
Lesson Planet

#### Pythagorean Theorem Proofs

For Students 10th - 12th Standards
Your class knows the Pythagorean Theorem, but can they prove it? A series of three videos shows two proofs of the Pythagorean Theorem and use it to classify triangles.
5:17
Lesson Planet

#### How Many Ways Are There to Prove the Pythagorean Theorem?

For Students 8th - 12th Standards
There is more than one way to prove the Pythagorean Theorem. Euclid and Einstein found the same way to prove the Pythagorean Theorem. The video introduces several other ways to prove the theorem along with the history of its use.
Lesson Planet

#### The Pythagorean Theorem, the Distance Formula, and Slope

For Teachers 8th - 12th
Learners explore the concept of the Pythagorean Theorem. In this Pythagorean Theorem lesson, pupils use the Pythagorean Theorem to derive the distance formula. They are given points on a coordinate grid and they find the distance between...
Lesson Planet

#### The Pythagorean Theorem Lesson 2

For Teachers 8th - 12th
Learners discuss and review examples of the Pythagorean Theorem using a GSP, Geometer's Sketchpad, activity.
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#### Pythagorean Theorem

For Teachers 7th - 10th
In this measurement lesson, learners examine the Pythagorean Theorem, perimeter, and areas of right triangles. They record their measurements and research their findings on a grid.
Lesson Planet

#### The Pythagorean Theorem and the Distance Formula

For Teachers 8th - 12th
Young scholars find missing side lengths of triangles. In this finding missing side lengths of triangles lesson, pupils use the Pythagorean theorem. They derive the distance formula from the Pythagorean Theorem. Pupils solve Pythagorean...
Lesson Planet

#### Roots and the Pythagorean Theorem

For Students 7th - 9th Standards
In this roots and the Pythagorean Theorem worksheet, learners solve 15 different types of problems related to square roots and applying the Pythagorean Theorem. They first determine the square root of each number and then, the cube root....
Lesson Planet

#### Pythagorean Theorem

For Teachers 6th - 8th
While providing a rudimentary review of the Pythagorean Theorem, this presentation would be a great way to help upper elementary and middle school students visualize the concept behind the Pythagorean Theorem. In a series of step-by-step...
Lesson Planet

#### Pythagorean Theorem

For Students 7th - 8th
Middle schoolers solve and complete 4 different problems that include using the Pythagorean Theorem. First, they use the models shown to determine what the Pythagorean Theorem means. Then, pupils color each section of the formula a given...
Lesson Planet

#### Exploring Pythagorean Theorem

For Teachers 8th
Eighth graders explore the Pythagorean Theorem. They use Geometer's Sketchpad and explore features of various figures. Students use the software to build a figure using the given measurements.