Interactive
Curated OER

Pythagorean Theorem Worksheet

For Students 9th - 12th
In this online math worksheet, high schoolers use the Pythagorean Theorem to determine if given triangles are "right" triangles. This excellent resource allows the students to check their answers, and to get "hints" should they run into...
Lesson Plan
Curated OER

The Pythagorean Theorem

For Teachers 9th - 11th
Learners create both a visual and formal proof of the Pythagorean theorem, as well as view four additional geometric demonstrations of the theorem. They construct a square and conjecture the following theorem: The sum of the areas of...
Lesson Plan
Curated OER

The Pythagorean Theorem, the Distance Formula, and Slope

For Teachers 9th - 12th
Pupils explore the concept of the Pythagorean Theorem. In this Pythagorean Theorem lesson, students derive the distance formula and slope of a line from the Pythagorean Theorem.
Worksheet
Curated OER

Geometric Mean and the Pythagorean Theorem

For Students 10th
For this geometric mean and Pythagorean Theorem worksheet, 10th graders solve 9 problems related to determining the geometric mean by applying the Pythagorean Theorem in each problem. First, they find the geometric mean between each pair...
Assessment
Balanced Assessment

Walkway

For Students 6th - 8th
Evaluate different aspects of geometry with one task. An assessment activity prompts learners to determine the area of a pathway in the shape of a parallelogram. The Pythagorean Theorem and area formulas for various polygons provide the...
Worksheet
Curated OER

Fish Tale

For Students 7th - 10th Standards
Here is a cute problem that requires visualizing two-dimensional shapes within a three-dimensional object, and using properties of triangles and the Pythagorean theorem to solve a real-world problem. There is a small mistake in this...
Instructional Video11:52
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Flipped Math

Reference Triangles

For Students 9th - 12th Standards
It is all about where the side is located. Pupils use their knowledge of angles in standard position to find reference angles. They use the Pythagorean Theorem to find lengths along a terminal side of an angle to determine the exact...
Lesson Plan
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Illustrative Mathematics

Eratosthenes and the Circumference of the Earth

For Teachers 9th - 12th Standards
The class gets to practice being a mathematician in ancient Greece, performing geometric application problems in the way of Eratosthenes. After following the steps of the great mathematicians, they then compare the (surprisingly...
Lesson Plan
Curated OER

Proving the Pythagorean Theorem

For Teachers 9th - 11th
Students solve problems using the pythagorean Theorem. In this geometry lesson, students complete proofs using the Pythagorean Theorem. They share their proofs and solutions with their classmates and family members.
Lesson Plan
Curated OER

Investigating the Pythagorean Theorem

For Teachers 11th - 12th
Students problem solve a series of problems based on the Pythagorean Theorem. They apply the theorem to a number of scenarios.
Lesson Plan
Curated OER

Pythagorean Theorem

For Teachers 7th
Seventh graders practice calculations using the Pythagorean Theorem to find the missing side of a right triangle. Through guided practice, 7th graders explore how to apply the Pythagorean Theorem to solve for a missing variable. ...
Lesson Plan
Curated OER

Pythagorean Theorem

For Teachers 6th - 10th
In this Pythagorean theorem worksheet, students use the Pythagorean theorem to find the missing side of the triangle. Students complete 10 problems.
Worksheet
Curated OER

Pythagorean Theorem

For Students 7th - 10th
For this Pythagorean Theorem worksheet, students use the Pythagorean Theorem to find the missing side of a triangle. Students complete 10 problems.
Worksheet
Curated OER

Pythagorean Theorem

For Students 7th - 10th
In this Pythagorean theorem instructional activity, learners use the Pythagorean theorem to find the missing side of the triangle. Students complete 10 problems.
Lesson Plan
Curated OER

Pythagorean Theorem Practice

For Teachers 7th - 10th
In this geometry skills worksheets, students examine 10 triangles and use the Pythagorean theorem to identity the lengths of the missing units.
Assessment
Mathed Up!

3-D Pythagoras

For Students 9th - 12th
Apply the Pythagorean Theorem in three-dimensional shapes. Young mathematicians watch a video that takes them through several examples of using the Pythagorean Theorem to solve problems involving lengths in three-dimensional figures. A...
Assessment
Charleston School District

Pre-Test Unit 8: Geometry Applications

For Students 8th Standards
What does a squared and b squared make? C squared of course! The pre-test assesses eighth graders' knowledge of the Pythagorean Theorem, application of the Pythagorean Theorem, and finding volumes of solids. 
Assessment
Charleston School District

Review Unit 8: Geometry Applicaitons

For Students 8th - 10th Standards
Pupils complete a review worksheet that highlights the key problems from the first eight lessons in the series. Topics include the Pythagorean Theorem and its converse, as well as finding volume of three-dimensional figures.
Lesson Plan
Illustrative Mathematics

Area of a Trapezoid

For Teachers 7th - 9th Standards
Here is a straightforward example of how to apply the Pythagorean Theorem to find an unknown side-length of a trapezoid. Commentary gives additional information on proving that the inside of the trapezoid is a rectangle, but is...
Lesson Plan
EngageNY

Nonlinear Motion

For Students 8th Standards
Investigate nonlinear motion through an analysis using the Pythagorean Theorem. Pupils combine their algebraic and geometric skills in the 24th lesson of this 25-part module. Using the Pythagorean Theorem, scholars collect data on the...
Handout
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EEWeb

Geometry: Shapes and Solids

For Teachers 6th - 10th Standards
An excellent resource for a geometry class, as well as for an electrical engineering course. A thorough reference sheet covers geometric shapes such as triangles, parallelograms, and circles, as well as 3-D shapes and the Pythagorean...
Performance
Radford University

Getting Around Millbrook

For Teachers 9th - 12th Standards
When is the distance formula not accurate? Referencing a map of the school, pairs determine the walking distance between two locations. Creating coordinates for each location, pupils determine the distance between the two points and...
Lesson Plan
101 Questions

Taco Cart

For Students 6th - 8th Standards
Sometimes you just need a taco. Young mathematicians investigate two different paths on a beach to get to a taco cart. Completion of the task requires finding distances using the Pythagorean Theorem and considering the different walking...
Lesson Plan
Virginia Department of Education

Circles in the Coordinate Plane

For Teachers 9th - 11th Standards
Make the connection between the distance formula and the equation of a circle. The teacher presents a lesson plan on how to use the distance formula to derive the equation of the circle. Pupils transform circles on the coordinate plane...