Curated OER
Gridding a 2 x 2 Meter Unit
Students use the internet to examine what happens at an archeological dig site. In groups, they practice measuring a 2x2 meter square unit and gridding it out as an archeologist would do. They review the possible solutions at the end of...
Curated OER
Hexagoning the Circle
Young scholars explore similarity to see that the area of a circle should be a constant times the square of its radius. Students create a hexagon. Young scholars share their designs with the class.
Curated OER
Mathematicians of the Month
Seventh graders become familiar with the history and times which influenced a featured mathematician each month. Through Internet research, they gather information about a different mathematician each month. Students solve mathematical...
Texas Education Agency
Texas Gateway: Demonstrating the Pythagorean Theorem
Given pictures or models that represent the Pythagorean Theorem, the student will demonstrate an understanding of the theorem.
Texas Education Agency
Texas Gateway: Using the Pythagorean Theorem to Solve Indirect Measurements
Given real-life problems, the student will use the Pythagorean Theorem to solve the problems.
Government of Alberta
Learn Alberta: Math Interactives: Exploring the Pythagorean Theorem
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...
McGraw Hill
Glencoe: Self Check Quizzes 3 Using the Pythagorean Theorem
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...
National Council of Teachers of Mathematics
Nctm: Illuminations: Proof Without Words: Pythagorean Theorem
Students use this computer applet to visualize the Pythagorean Theorem.
Khan Academy
Khan Academy: Pythagorean Theorem Word Problems
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.
Khan Academy
Khan Academy: Use Pythagorean Theorem to Find Area and Perimeter
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...
Khan Academy
Khan Academy: Use Pythagorean Theorem to Find Isosceles Triangle Side Lengths
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.
Khan Academy
Khan Academy: Pythagorean Theorem in 3 D
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...
Khan Academy
Khan Academy: Use Pythagorean Theorem to Find Right Triangle Side Lengths
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.
Khan Academy
Khan Academy: Use Area of Squares to Visualize Pythagorean Theorem
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.
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.
Khan Academy
Khan Academy: Pythagorean Theorem Challenge
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.
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.
Oswego City School District
Regents Exam Prep Center: Pythagorean Theorem
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...
Texas Instruments
Texas Instruments: Exploring the Pythagorean Theorem and Its Applications
Students discover the Pythagorean Theorem by exploring right triangles using Cabri Jr. They apply the Pythagorean Theorem to real-world problems. Also, students create a scatter plot of the data and find an equation that fits the data.
CK-12 Foundation
Ck 12: Converse of the Pythagorean Theorem
[Free Registration/Login may be required to access all resource tools.] Learn about the converse of the Pythagorean Theorem and some of its applications. Also explains how to identify acute and obutse triangles through the use of the...
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...
Math.com
Math.com: Pythagorean Theorem and Right Triangle Facts
The lesson investigates right triangles and the Pythagorean Theorem. Definitions, examples, and a worksheet are available.
Varsity Tutors
Varsity Tutors: Hotmath: The Pythagorean Theorem
Twenty problems cover various aspects of the Pythagorean Theorem. They are given with each step to the solution cleverly revealed one at a time. You can work each step of the problem then click the "View Solution" button to check each...
CK-12 Foundation
Ck 12: Algebra: Pythagorean Theorem and Its Converse
[Free Registration/Login may be required to access all resource tools.] Recognize and use the Pythagorean Theorem