Common Core Sheets
Common Core Sheets: Geometry 8.g.7 Worksheets: Using Pythagorean Theorem
Worksheets provide practice using the Pythagorean Theorem and answer keys are provided. You can even create your own worksheet or flashcards.
OER Commons
Oer Commons: Mars: Proving the Pythagorean Theorem
This lesson is intended to help you assess how well students are able to produce and evaluate geometrical proofs. PowerPoint slides are included with the lesson.
Shodor Education Foundation
Shodor Interactivate: Lesson: Pythagorean Theorem
Use triangles and worksheets to guide the learning of triangles to the discovery of the Pythagorean Theorem.
McGraw Hill
Glencoe: Self Check Quizzes the Pythagorean Theorem
Students answer multiple choice questions about the Pythagorean Theorem. The questions questions are self-checking and hints are provided.
CK-12 Foundation
Ck 12: Algebra: Solving Equations Using the Pythagorean Theorem
[Free Registration/Login may be required to access all resource tools.] Use the Pythagorean Theorem to find the length of a leg
Math Planet
Math Planet: Geometry: Converse of the Pythagorean Theorem and Special Triangles
The converse of the Pythagorean Theorem is examined through examples and a video lesson. [1:04]
CK-12 Foundation
Ck 12: Pythagorean Theorem and Pythagorean Triple
[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...
CK-12 Foundation
Ck 12: Trigonometry: Pythagorean Theorem to Classify Triangles
[Free Registration/Login may be required to access all resource tools.] Use the Pythagorean Theorem to determine if triangles are acute, obtuse, or right triangles.
CK-12 Foundation
Ck 12: Geometry: Applications of the Pythagorean Theorem
[Free Registration/Login may be required to access all resource tools.] In this lesson students use the Pythagorean Theorem to find perimeter and area. Students examine guided notes, review guided practice, watch instructional videos and...
CK-12 Foundation
Ck 12: Geometry: Applications of the Pythagorean Theorem
[Free Registration/Login may be required to access all resource tools.] This concept introduces students to several applications of the Pythagorean Theorem. Students examine guided notes, review guided practice, watch instructional...
CK-12 Foundation
Ck 12: Algebra: Applications Using the Pythagorean Theorem
[Free Registration/Login may be required to access all resource tools.] In this lesson students use the Pythagorean Theorem to find lengths and distances. Students watch a video tutorial, explore guided notes and attempt practice problems.
CK-12 Foundation
Ck 12: Algebra: Applications Using the Pythagorean Theorem
[Free Registration/Login may be required to access all resource tools.] In this lesson students use the Pythagorean Theorem to find lengths and distances. Students watch a video tutorial, explore guided notes and attempt practice problems.
Mocomi & Anibrain Digital Technologies
Mocomi: What Is the Pythagorean Theorem?
Explains the Pythagorean Theorem formula, the Pythagorean Triples, and why the theorem is important.
Doina Popovici
Math Play: Pythagorean Theorem Jeopardy Game
This jeopardy-style game will have students calculate the sides of a right triangle by using the Pythagorean Theorem.
Varsity Tutors
Varsity Tutors: Hotmath: Algebra Review: Pythagorean Theorem
Find a quick, concise explanation of the Pythagorean Theorem. An example is given and clearly explained.
Doina Popovici
Math Play: Pythagorean Theorem Game
Find the unknown side in the right triangle using the Pythagorean theorem in this online game.
Calculator Soup
Calculator Soup: Pythagorean Theorem Calculator
This calculator solves the Pythagorean Theorem equation for sides a or b, or the hypotenuse c. The hypotenuse is the side of the triangle opposite the right angle.
CK-12 Foundation
Ck 12: Algebra: Pythagorean Theorem and Its Converse
[Free Registration/Login may be required to access all resource tools.] Determine if three side lengths make a right triangle, and given the length of its legs, find the length of a right triangle's hypotenuse.
CK-12 Foundation
Ck 12: Trigonometry: Pythagorean Theorem for Solving Right Triangles
[Free Registration/Login may be required to access all resource tools.] Finding unknown sides in a triangle using other sides and angles.
CK-12 Foundation
Ck 12: Trigonometry: Pythagorean Theorem to Determine Distance
[Free Registration/Login may be required to access all resource tools.] Calculate the distances between two points using the distance formula.
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.
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.
Illustrative Mathematics
Illustrative Mathematics: F Tf Trigonometric Ratios and the Pythagorean Theorem
The purpose of this task is to use the Pythagorean Theorem to establish a fundamental trigonometric identity for an acute angle. The reasoning behind this identity is then applied to calculate a cosine for a given obtuse angle. Aligns...
PBS
Using the Pythagorean Puzzle
A printable expercise for students to find that the Pythagorean Theorem works. There are links to problems solving problems using the formula.