Lesson Plan
Curated OER

Using Trigonometry

For Teachers 5th
Fifth graders explore the use of trigonometry to find unknown sides and angles in right-angled triangles, taking the concepts that were developed in the previous unit and looking at different ways of practicing the new skills. Students...
Lesson Plan
Curated OER

Dizzy Heights

For Teachers 5th
Fifth graders explore ways to measure the height of an inaccessible object. They measure lengths using a tape measure or ruler. Students measure angles using a protractor and estimate heights.
Lesson Plan
Curated OER

Investigating the Idea of Tan

For Teachers 5th
Fifth graders use tan to solve problems involving right-angled triangles. They solve equations of the form tan(8) =a, for a between 180 degrees and 360 degrees. They state the value of tan (8) in special cases.
Lesson Plan
Curated OER

Trigonometric Applications Outside the Classroom

For Teachers 5th
Fifth graders describe and demonstrate how trigonometry can be used to find the height of a tall building or tree. They describe and demonstrate how trigonometry can be used to find the height of a high hill, or other high object where...
Lesson Plan
Curated OER

Investigating the Idea of Cos

For Teachers 5th
Fifth graders use cos to solve problems involving right-angled triangles. They solve equations of the form cos(++) = a, for a between -180 and 360 degrees. They state the value of cos(++) in special cases and graph y = cos(++).
Lesson Plan
Curated OER

Square Pegs in Round Holes

For Teachers 6th
Sixth graders problem solve the square peg in the round whole problem by applying knowledge of the formulas for the areas of the circle and the square. They decide on a problem solving strategy based on logical reasoning.
Lesson Plan
Curated OER

Motion in a Circle

For Teachers 9th - 12th
High schoolers study about deriving centripetal acceleration for motion at constant speed around a circle.
Lesson Plan
Curated OER

Coordinates

For Teachers 9th - 12th
High schoolers use cartesian coordinates (x,y,z) in 3-dimensional space. [Optional: appreciate there exist two ways of defining the z axis, and which of them is used.] They become familiar with the tools and terms used by surveyors.
Lesson Plan
Curated OER

Motion in a Circle

For Teachers 9th - 12th
Students explore uniform circular motion, and the relation of its frequency of N revolutions/sec with the peripheral velocity v and with the rotation period T. They examine how uniform circular motion is a type of accelerated motion.
Unit Plan
Cuemath

Cuemath: Pythagoras Theorem

For Students 9th - 10th Standards
In this lesson, you will learn about the Pythagoras theorem, its derivations, and equations followed by solved real-world problems on the Pythagoras theorem triangle and squares.
eBook
Mathigon

Mathigon: Geometry: Triangles and Trigonometry: Pythagoras' Theorem

For Students 9th - 10th Standards
Pythagoras' Theorem: In any right-angled triangle, the square of the length of the hypotenuse (the side that lies opposite the right angle) is equal to the sum of the squares of the other two sides. (A+B=C)
Handout
Cut the Knot

Cut the Knot!: Pythagoras' Theorem

For Students 9th - 10th
This site explains the Pythagorean theorem, giving a proof from Euclid, and gives a great interactive visual aid with a good explanation with it.
Unit Plan
Math Is Fun

Math Is Fun: Pythagoras' Theorem

For Students 9th - 10th Standards
This resource investigates the Pythagorean Theorem. Includes animations, examples, proofs, and links to problems and activities.
Unit Plan
BBC

Bbc: Pythagoras' Theorem

For Students 6th - 8th Standards
You can pick up some valuable pointers on how to apply the Pythagorean Theorem here. When you finish working your way through the pages you can take an on-line "Test Bite," and check your understanding.
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...
Handout
University of St. Andrews (UK)

University of St. Andrews: Pythagoras of Samos

For Students 9th - 10th
Provides much information on the life of Pythagoras of Samos.
Lesson Plan
Ministry of Education and Universities of the Region of Murcia (Spain)

Ministerio De Educacion Y Ciencia: El Teorema De Pitagoras

For Teachers 9th - 10th Standards
Interactive resources and activities that could be used in the classroom either as an introduction or review to a unit dealing with the Pythagoras Theorem. [Requires Java.]
Activity
Ministry of Education and Universities of the Region of Murcia (Spain)

Ministerio De Educacion Y Ciencia: El Teorema De Pitagoras

For Students 9th - 10th Standards
In Spanish. In this interactive activity you can learn and understand the concept of the Pythagoras theorem.
Activity
Ministry of Education and Universities of the Region of Murcia (Spain)

Ministerio De Educacion Y Ciencia: Demostraciones Del Teorema De Pitagoras

For Students 9th - 10th Standards
An interactive visual aid with a good explanation of the Pythagoras Theorem. In this unit five different demonstration will be given.
Handout
Wikimedia

Wikipedia: Pythagoras

For Students 9th - 10th
Encyclopedia article about Pythagoras that looks at his life, accomplishments, and his influence on other mathematicians. Includes pictures and links to additional information.
Unit Plan
CK-12 Foundation

Ck 12: Flex Book: Pythagorean Theorem

For Students 9th - 10th Standards
[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.
Handout
Geometry Help

Geometry Help: Pythagorean Theorem

For Students 9th - 10th Standards
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.
Activity
PBS

Pbs Teachers: Pythagoras and President Garfield

For Teachers 9th - 10th
The activity teaches students about the Pythagorean theorem. The resources consists of a definition, examples, and a student activity that investigates and applies the Pythagorean theorem.
Activity
Other

The mathlab.com: Ultimate Pythagorean Theorem Test

For Students 6th - 8th Standards
Open the nine clue boxes. Solve the problems inside. Each successful solution will supply you with a clue to use in the decoder grid to determine the password to claim the treasure.

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