CK-12 Foundation
Ck 12: Geometry: Applications of the Pythagorean Theorem
[Free Registration/Login may be required to access all resource tools.] Apply the Pythagorean Theorem to other math concepts.
CK-12 Foundation
Ck 12: Geometry: Distance Formula in the Coordinate Plane
[Free Registration/Login may be required to access all resource tools.] In this lesson students use the Distance Formula to find the distance between two points. Students examine guided notes, review guided practice, watch instructional...
CK-12 Foundation
Ck 12: Geometry: Distance Between Parallel Lines
[Free Registration/Login may be required to access all resource tools.] In this lesson students find the distance between two parallel lines. Students examine guided notes, review guided practice, watch instructional videos and attempt...
CK-12 Foundation
Ck 12: Algebra: Distance Formula
[Free Registration/Login may be required to access all resource tools.] In this lesson students learn how to use the distance formula. Students examine guided notes, review guided practice, watch instructional videos and attempt practice...
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.
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: Geometry: Pythagorean Theorem Study Guide
[Free Registration/Login may be required to access all resource tools.] This study guide is an overview of the Pythagorean theorem and its converse, Pythagorean triples, and proving the distance formula.
Education Place
Houghton Mifflin: Eduplace: What Is It? Pythagorean Theorem
This is a great place for information on the Pythagorean Theorem. Three other sections (tabs at the top) are available, including tips, students' questions, and lesson ideas.
Other
Gobierno De Navarra: Teorema De Pitagoras
Interactive figures to learn about the Pythagorean Theorem.
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.
Alabama Learning Exchange
Alex: The Pythagorean Theorem in the Real World
The introduction of this lesson plan has students verifying the famous Pythagorean Theorem with a hands-on proof. Students will then apply the Theorem in one of two ways: by solving for the side lengths of a right triangle and by...
Alabama Learning Exchange
Alex: Midpoint of a Line Segment.
Investigate finding the midpoint of a line segment and derive the formula for the midpoint of two points on a coordinate plane. This lesson plan was created by exemplary Alabama Math Teachers through the AMSTI project.
Thinkport Education
Math by Design: Pythagorean Theorem [Pdf]
Use right angle concepts to solve problems amid geometric relationships.
National Council of Teachers of Mathematics
Nctm: Illuminations: Pythagorean Review
Review and explore the Pythagorean Theorem.
Shodor Education Foundation
Shodor Interactivate: Squaring the Triangle
Learn about how the Pythagorean Theorem works through investigating the standard geometric proof.
Math Open Reference
Math Open Reference: Area of a Square
A complete reference guide to finding the area of a square. It provides definitions, examples, and interactive activities that enhance further explanation. Includes links to related topics.
Geometry Help
Geometry Help: Triangle Inequalities
Explains the basic concept of triangle inequalities with step-by-step instructions and methods for solving specific problems on your own relating to this topic.
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.
University of Vienna (Austria)
University of Vienna: Reading Off Coordinates
Given a point on the coordinate plane, input the coordinates (x and y) to check understanding. Coordinates are integer or half-integer to simplify reading the location of the given point.
Cuemath
Cuemath: Midpoint Theorem
A comprehensive guide for learning all about plane shapes with definitions and solved examples.
Quia
Ixl Learning: The Pythagorean Theorem
Brush up on your math skills relating to the Pythagorean Theorem then try some practice problems to test your understanding.
PBS
Pbs: Using the Pythagorean Theorem on the Cartesian Graph
In this interactive, students use logic and mathematical skill to place animals at the correct points on a Cartesian graph representing the cardinal directions. Then, they use the Pythagorean theorem to determine the distances between...
PBS
Pbs Learning Media: Calculating Distance Using the Pythagorean Theorem
This interactive exercise focuses on using the Pythagorean Theorem to calculate distance and plotting points on a Cartesian grid.
PBS
Pbs: Horizontal and Vertical Distances on the Cartesian Graph
In this interactive, students use logic and mathematical skill to place aquatic animals at locations on a Cartesian graph with cardinal directions. Then, they determine both the vertical and horizontal distances between points. The...