Lesson Plan
Curated OER

Pythagorean Theorem

For Teachers 10th
For this geometry worksheet, 10th graders solve for missing sides and angles of a triangle. They use the pythagorean theorem to solve for the unknown in a right triangle. There are 5 questions on this worksheet.
Lesson Plan
Curated OER

Measuring the Egyptian Way using the Pythagorean Theorem

For Teachers 9th - 10th
Students measure using the Pythagorean Theorem. In this geometry instructional activity, students solve right triangles using the properties of the Pythagorean theorem. They apply the same knowledge to solving story problems.
Lesson Plan
Curated OER

Proving the Pythagorean Theorem

For Teachers 9th - 11th
Young scholars 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.
Worksheet
Math Mammoth

Pythagorean Theorem; Math Mammoth.com

For Students 7th - 8th
In this math worksheet, students check to see if two triangles are right triangles by using the Pythagorean theorem. When given two sides of a right triangle, students find the third side. They use the Pythagorean theorem to find the...
Lesson Plan
Curated OER

Pythagorean Theorem

For Teachers 8th
Eighth graders draw right triangles and identify the parts of a right triangle: right angle, interior and exterior angles, hypotenuse and legs. They predict and identify any relationships that exist between the sides of a right...
Worksheet
Curated OER

Guess & Check Extra Credit

For Students 8th - 10th
In this Pythagorean Theorem worksheet, students use the Pythagorean theorem to compute the length of a missing side.  They identify Pythagorean triples.  This three-page worksheet contains 34 problems.
Lesson Plan
Curated OER

Vector Voyage!

For Teachers 6th - 8th
Students use vector analysis to examine the concept of dead reckoning. They listen to a teacher-led lecture, complete a Vector Voyage Worksheet with the teacher, answer discussion questions, and use the Pythagorean Theorem for speed...
Lesson Plan
Texas Instruments

NUMB3RS Activity: Narrowing the Search

For Teachers 9th - 12th Standards
High schoolers explore the length of an n-dimensional vector.  For this Algebra II/Pre-calculus lesson, students investigate an expansion of the Pythagorean Theorem to n-dimensional space. 
Worksheet
Curated OER

Right Triangles & Pythagorean Theorem

For Students 6th - 8th
In this math worksheet, students find the missing angles for the right triangles using the Pythagorean Theorem. Then they label the adjacent and opposite angles.
Assessment
Balanced Assessment

Refiguring Pythagoras

For Students 6th - 8th
Why was Pythagoras so obsessed with squares? The assessment task posits the question of whether the geometric interpretation of the Pythagorean Theorem holds for figures other than squares. Scholars first consider the case of semicircles...
Lesson Plan
Curated OER

Pythagorean Theorem Investigation

For Teachers 8th
Eighth graders investigate the Pythagorean Theorem and practice applying the theorem to various triangles. Finally, in the next lesson in the sequence, 8th graders create a song or a story to help them remember the Pythagorean Theorem.
Lesson Plan
Curated OER

Pythagorean Theorem Proof

For Teachers 10th
Tenth graders investigate the Pythagorean Theorem. Then they type up a formal paragraph proof of a proof of their choice.
Lesson Plan
Curated OER

The Pythagorean Theorem

For Teachers 7th - 9th
Students explore the concept of the Pythagorean Theorem.  In this Pythagorean Theorem lesson, students discuss how the Pythagorean Theorem is used in their lives.  Students imagine building a lean-to that is 3 ft. high and 4...
Lesson Plan
Curated OER

Using the Pythagorean Theorem

For Teachers 6th - 8th
Students apply the Pythagorean Theorem to solve real-world problems. They draw diagrams based on written descriptions to calculate the examples.
Lesson Plan
Curated OER

Pythagorean Theorem

For Teachers 7th - 9th
Young scholars solve right triangles using the Pythagorean Theorem.  For this solving right triangles using the Pythagorean Theorem lesson, students find the missing side of a right triangle.  Young scholars find the hypotenuse...
Lesson Plan
Curated OER

The Pythagorean Theorem

For Teachers 7th - 10th
Young scholars research Pythagoras and learn how to apply his theorem. They solve real life problems using the theorem and demonstrate knowledge of exponents, equations, and radicals. Students include diagrams in their research papers.
Lesson Plan
Curated OER

Pythagoreum Theorem

For Teachers 6th - 8th
Middle schoolers practice assessing how to apply the formulas for the area of parallelograms and triangles. They recount the contributions of Pythagoras and apply the theories of the Pythagorean theorem in a group project to calculate...
Worksheet
Curated OER

Similarity: Instructional

For Students 7th - 8th
In this similarity instructional activity, students solve and complete 7 different problems that include determining various dimensions of mirrors shown. First, they find the length of the diagonal of the large mirror in the diagram....
Lesson Plan
Curated OER

Toothpick Triangles

For Teachers 4th - 8th
Students draw a chart (included in the lesson) to use with their investigation. They review terminology of triangles and receive toothpicks to use in the lesson. Beginning with three toothpicks, students form a triangle. They complete...
Instructional Video4:23
Corbett Maths

Showing a Triangle Is Right Angled

For Students 7th - 12th Standards
Determine whether it is right or not. Using the Pythagorean Theorem, the video shows how to determine whether a triangle is a right triangle. Pupils practice the skill in a few of the problems in the associated worksheets on the...
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...
Worksheet
Curated OER

Informal Geometry

For Students 8th - 12th
Middle and high schoolers solve and complete 29 various types of problems. First, they match each name with its correct formula. Then, students find the length of the missing side and the distance between the two points given. In...
Worksheet
Curated OER

How Fast Can You Watch?

For Students 8th - 12th
In this watch activity, pupils read story problems and determine the change in the distance with respect to time. They compute the radians per second. This two-page activity contains nine multi-step problems.
Assessment
EngageNY

End-of-Module Assessment Task: Grade 8 Mathematics (Module 7)

For Students 8th Standards
It's time to discover what your classes have learned! The final lesson in the 25-part module is an assessment that covers the Pythagorean Theorem. Application of the theorem includes distance between points, the volume of...