Lesson Plan
Curated OER

Calculating the Shortest Distance Between Two Points

For Teachers 9th
Ninth graders calculate the distance between two points.
Lesson Plan
Curated OER

Hexagoning the Circle

For Teachers 6th - 9th
Students explore similarity to see that the area of a circle should be a constant times the square of its radius. Students create a hexagon. Students share their designs with the class.
Lesson Plan
Curated OER

Coordinate Proofs

For Teachers 9th - 12th
High schoolers explore the concept of coordinate proofs. In this coordinate proofs lesson, students write coordinate proofs using properties of distance, slope, and midpoint. High schoolers discuss why it is sometimes beneficial to...
Lesson Planet Article
Curated OER

Mystify with the Mathematics of Ancient Egypt

For Teachers 3rd - 6th
Hieroglyphics, surveying, and the pyramids may all be explored with mathematics.
Lesson Plan
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Curated OER

Linking Kwanzaa to Technology and History

For Teachers 7th
Seventh graders use the Internet to research the holiday of Kwanzaa. Using the information, they create a brochure to promote the holiday to others. They email the information to a friend to end the lesson.
Interactive
Government of Alberta

Learn Alberta: Math Interactives: Exploring the Pythagorean Theorem

For Students 6th - 8th
This multimedia Learn Alberta math resource looks at the structural design of buildings and how the Pythagorean Theorem is often involved in the design process. The accompanying interactive component asks students to build a variety of...
Unknown Type
McGraw Hill

Glencoe: Self Check Quizzes 3 Using the Pythagorean Theorem

For Students 6th - 8th
Use Glencoe's Math Course 3 randomly generated self-checking quiz to test your knowledge of using the Pythagorean Theorem. Each question has a "Hint" link to help. Choose the correct answer for each problem. At the bottom of the page...
Unknown Type
McGraw Hill

Glencoe: Self Check Quizzes 3 the Pythagorean Theorem

For Students 9th - 10th
Use Glencoe's Math Course 3 randomly generated self-checking quiz to test your knowledge of The Pythagorean Theorem. Each question has a "Hint" link to help. Choose the correct answer for each problem. At the bottom of the page click the...
Unit Plan
CK-12 Foundation

Ck 12: Geometry: Pythagorean Theorem and Pythagorean Triples

For Students 9th - 10th Standards
[Free Registration/Login may be required to access all resource tools.] Apply the Pythagorean Theorem and its converse. Includes videos, exercises, links to interactive activities, etc.
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Khan Academy

Khan Academy: Pythagorean Theorem in 3 D

For Students 7th - 9th Standards
In this exercise, students practice using the Pythagorean Theorem to find the side lengths of triangles within a 3-D solid. Students receive immediate feedback and have the opportunity to watch a video, get hints, or try questions...
Unknown Type
Khan Academy

Khan Academy: Use Area of Squares to Visualize Pythagorean Theorem

For Students 7th - 8th Standards
Apply the Pythagorean theorem and its converse to solve these problems. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video, or receive hints.
Unknown Type
Khan Academy

Khan Academy: Pythagorean Theorem Word Problems

For Students 7th - 8th
Use the Pythagorean theorem to solve word problems. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video, or receive hints.
Unknown Type
Khan Academy

Khan Academy: Use Pythagorean Theorem to Find Area and Perimeter

For Students 7th - 8th
Find the area and perimeter of triangles and quadrilaterals by first using the Pythagorean Theorem to find missing side lengths. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video, or...
Unknown Type
Khan Academy

Khan Academy: Use Pythagorean Theorem to Find Isosceles Triangle Side Lengths

For Students 7th - 8th Standards
Find the missing side lengths of isosceles triangles by using the Pythagorean Theorem. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video, or receive hints.
Handout
Quia

Ixl Learning: The Pythagorean Theorem

For Students 7th - 9th Standards
Brush up on your math skills relating to the Pythagorean Theorem then try some practice problems to test your understanding.
eBook
Math Planet

Math Planet: Pre Algebra: The Pythagorean Theorem

For Students 9th - 10th Standards
Learn all about the Pythagorean Theorem by viewing examples and a video lesson.
Handout
Math Warehouse

Math Warehouse: Pythagorean Theorem

For Students 9th - 10th Standards
Resource takes a look at how to use the Pythagorean Theorem. Includes formulas, examples, animations, and practice problems.
Unknown Type
Khan Academy

Khan Academy: Use Pythagorean Theorem to Find Right Triangle Side Lengths

For Students 7th - 8th Standards
Find the length of the hypotenuse or a leg of a right triangle using the Pythagorean Theorem. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video, or receive hints.
Unit Plan
CK-12 Foundation

Ck 12: Geometry: Applications of the Pythagorean Theorem

For Students 9th - 10th Standards
[Free Registration/Login may be required to access all resource tools.] Apply the Pythagorean Theorem to other math concepts.
Unit Plan
Khan Academy

Khan Academy: Pythagorean Theorem Challenge

For Students 7th - 8th Standards
In this exercise, students practice using the Pythagorean Theorem in word problems. Students receive immediate feedback and have the opportunity to watch a video, get hints, or try questions repeatedly.
eBook
Math Planet

Math Planet: Algebra 1: The Pythagorean Theorem

For Students 9th - 10th Standards
Provides examples and a video lesson that illustrate the Pythagorean Theorem which provides us with the relationship between the sides in a right triangle. [4:41]
Interactive
PBS

Pbs Learning Media: Calculating Distance Using the Pythagorean Theorem

For Students 6th - 8th Standards
This interactive exercise focuses on using the Pythagorean Theorem to calculate distance and plotting points on a Cartesian grid.
Unit Plan
Oswego City School District

Regents Exam Prep Center: Pythagorean Theorem

For Students 7th - 9th Standards
Material to supplement introductory instruction on the Pythagorean Theorem. A very simple look at its use in geometry, a multiple-choice quiz through which students can test themselves and check their answers, and a teacher resource...
Unit Plan
PBS

Pbs: Using the Pythagorean Theorem on the Cartesian Graph

For Students 6th - 8th Standards
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...