Teaching Resources :: 73

Alabama Learning Exchange

Alex: The Pythagorean Theorem in the Real World

For Teachers 9th - 10th Standards

The introduction of this lesson plan has students verifying the famous Pythagorean Theorem with a hands-on proof. Students will then apply the Theorem in one of two ways: by solving for the side lengths of a right triangle and by...

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Thinkport Education

Math by Design: Pythagorean Theorem [Pdf]

For Teachers 9th - 10th Standards

Use right angle concepts to solve problems amid geometric relationships.

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National Council of Teachers of Mathematics

Nctm: Illuminations: Pythagorean Review

For Students 6th - 8th Standards

Review and explore the Pythagorean Theorem.

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National Council of Teachers of Mathematics

Nctm: Illuminations: Proof Without Words: Pythagorean Theorem

For Students 9th - 10th Standards

This applet proves the Pythagorean Theorem "without words" using geometry.

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Shodor Education Foundation

Shodor Interactivate: Squaring the Triangle

For Students 9th - 10th Standards

Learn about how the Pythagorean Theorem works through investigating the standard geometric proof.

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Geometry Help

Geometry Help: Hinge Theorem

For Students 9th - 10th Standards

Provides a detailed definition of the Hinge Theorem with step-by-step instructions and methods for solving problems on your own.

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Geometry Help

Geometry Help: Triangle Inequalities

For Students 9th - 10th Standards

Explains the basic concept of triangle inequalities with step-by-step instructions and methods for solving specific problems on your own relating to this topic.

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Geometry Help

Geometry Help: Similar Triangles

For Students 9th - 10th Standards

Explains the basic concept of similar triangles with step-by-step instructions and methods for solving specific problems on your own relating to this topic.

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Geometry Help

Geometry Help: Right Triangles

For Students 9th - 10th Standards

Explains the basic concept of right triangles with step-by-step instructions and methods for solving specific problems on your own relating to this topic.

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Geometry Help

Geometry Help: Isosceles Triangles

For Students 9th - 10th Standards

Explains the basic concept of isosceles triangles with step-by-step instructions and methods for solving specific problems on your own relating to this topic.

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Geometry Help

Geometry Help: Equilateral Triangles

For Students 9th - 10th Standards

Explains the basic concept of equilateral triangles with step-by-step instructions and methods for solving specific problems on your own relating to this topic.

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Geometry Help

Geometry Help: Congruent Triangles

For Students 9th - 10th Standards

Explains the basic concept of congruent triangles with step-by-step instructions and methods for solving specific problems on your own relating to this topic.

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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.

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Cuemath

Cuemath: Congruent Triangles

For Students 9th - 10th Standards

Explore the world of congruent triangles in this mini-lesson. Provides a definition and examples that help with understanding their properties. Includes a short video and practice questions with answers.

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OER Commons

Oer Commons: Exploring the Properties of a Triangle

For Teachers 6th - 8th Standards

In this lesson, students explore properties of triangles. They fold paper to make a triangle and measure its angles. Students also draw triangles with given conditions. Included are examples, discussion questions, and closing activities.

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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.

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Quia

Ixl Learning: Similar Triangles

For Students 7th - 9th Standards

Brush up on your math skills relating to similar triangles then try some practice problems to test your understanding.

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Ministry of Education and Employment of Spain

Red Escolar: Un Triangulo Sorprendente

For Students 9th - 10th Standards

In Spanish. Different activities which involve the following concepts: right triangles, perpendicular lines, classification of triangles, area of a square and Pythagorean theorem.

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Other

Ic Teachers: Shapes: Triangles

For Students 6th - 9th Standards

Are you looking for a very basic website that will explain the basic properties of a triangle? Use this site to learn about the properties of equilateral triangles, isosceles triangles, right triangles,and scalene triangles. There are...

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