Regular Polygon Teaching Resources :: 337

PBS

Pbs Mathline Lesson Plan: Mirror, Mirror [Pdf]

For Teachers 3rd - 5th

The goal of this PBS lesson is for students to apply spatial reasoning, problem solving, and critical thinking skills to assess which regular polygons will tessellate. A detailed lesson plan that includes related worksheets, lesson...

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Mathigon

Mathigon: Geometry: Polygons and Polyhedra: More on Polyhedra

For Students 9th - 10th Standards

This lesson focuses on polyhedra other than the platonic solids; these include an Archimedean solid, a polyhedron made up of different kinds of regular polygons, that looks the same from every direction. There are 13 different...

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Mathigon

Mathigon: Geometry: Polygons and Polyhedra: Platonic Solids

For Students 9th - 10th

A Platonic solid is a polyhedron made up of only one kind of regular polygon, that looks the same from every direction. (In other words, the same number of faces meet at every vertex.) There are only five different Platonic solids:...

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National Council of Teachers of Mathematics

The Math Forum: Studying Polyhedra

For Students 9th - 10th

This site not only defines what a polyhedron is, but it allows you to view each of the five regular polyhedra through an interactive exercise. After selecting which polyhedron you'd like to see, it will tell you its name and how many...

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PBS

Pbs Mathline: Mirror, Mirror Lesson Plan [Pdf]

For Teachers 3rd - 8th

Determine which regular polygons tessellate by using mirrors. Printable lesson.

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The Math League

The Math League: Figures and Polygons

For Students 3rd - 8th Standards

This website has basic definitions for most polygons, regular and irregular.

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Oswego City School District

Regents Exam Prep Center: Exterior Angles of Polygons

For Students 6th - 8th

This site explains what the measure of the sum of exterior angles is for any polygon, and shows how to find the measure of individual exterior angles for regular polygons with a drawn example.

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Geometry Help

Geometry Help: Polygons

For Students 9th - 10th Standards

Explains the basic concept of polygons with examples.

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Other

George W. Hart: Polygons

For Students 9th - 10th Standards

This personal site presents some general information about polygons.

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Varsity Tutors

Varsity Tutors: Hotmath: Practice Problems: Polygons and Areas of Plane Figures

For Students 9th - 10th Standards

Twenty-five problems cover the topics of polygons and finding the area for various plane figures. 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...

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Sophia Learning

Sophia: Using Right Triangle Trigonometry to Find the Area of Regular Polygons

For Students 9th - 10th Standards

This lesson will demonstrate how to use right triangle trigonometry and special right triangles (45-45-90 and 30-60-90) to find the area of triangles given the side lengths of the polygon. It is 2 of 4 in the series titled "Using Right...

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Sophia Learning

Sophia: Using Right Triangle Trigonometry to Find the Area of Regular Polygons

For Students 9th - 10th Standards

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SMART Technologies

Smart: Polygons

For Teachers 3rd - 5th

This SMART Notebook lesson allows students to characteristics of polygons by exploring vocabulary and sample problems.

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Math Open Reference

Math Open Reference: Center of a Polygon

For Students 9th - 10th

A complete reference guide to the center of a polygon. It provides definitions and an interactive activity that enhances further explanation. Includes links to related topics.

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Texas Instruments

Texas Instruments: Figuring Areas

For Teachers 9th - 10th

In this activity, students find the area of regular polygons using a summation approach and compare the summations with area calculated by Cabri Geometry Application. They also examine patterns of finding area and perimeter as the number...

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Texas Instruments

Texas Instruments: Approximation of Pi Using Archimedes' Method

For Teachers 9th - 10th

Students can use trigonometric ratios to discover the circumference of regular polygons inscribed within and circumscribed about a circle. These ratios will help approximate a value of pi.

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Texas Instruments

Texas Instruments: Approximation of Pi Using an Area Model

For Teachers 9th - 10th Standards

Students will approximate pi by setting up trigonometric ratios and calculating the areas of regular polygons inscribed within and circumscribed about a circle.

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Wolfram Research

Wolfram Math World: Area

For Students 9th - 10th Standards

Definitions and formulas for the computation of surface areas of triangles, rectangles, and any regular polygon. Helpful links to related pages.

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Math Is Fun

Math Is Fun: Interior Angles of Polygons

For Students 3rd - 8th Standards

Learn what an interior angle of a polygon is and how you can calculate their value in triangles, quadrilaterals, and pentagons. Includes a chart that overviews the "general rule" for determining the sum of internal angles in any polygon...

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