Unit Plan
Cuemath

Cuemath: Regular Polygon

For Students 9th - 10th Standards
Introduces the concept of regular polygons along with regular polygon examples, not regular polygons, irregular polygons, and area of a regular polygon. Check-out the solved examples for better understanding and try your hand at solving...
Unit Plan
Texas Education Agency

Texas Gateway: Determining Area: Regular Polygons and Circles

For Students 9th - 10th
The student will apply the formula for the area of regular polygons to solve problems.
Unit Plan
Math Is Fun

Math Is Fun: Properties of Regular Polygons

For Students 3rd - 8th
Find a definition of regular polygon, and learn how to calculate the internal angle, external angle, and number of diagonals of a regular polygon. Also, learn how to find the area of regular polygons.
Handout
Quia

Ixl Learning: Regular Polygons

For Students 3rd - 5th
Brush up on your math skills relating to regular polygons then try some practice problems to test your understanding.
Activity
Texas Instruments

Texas Instruments: Ratios in Regular Polygons

For Teachers 6th - 8th
In this activity, students use linear measurement and calculators to investigate the ratios between corresponding parts of regular polygons.
Activity
Texas Instruments

Texas Instruments: Numb3 Rs: Regular Polygon Centroids

For Teachers 9th - 10th
Based off of the hit television show NUMB3RS, this lesson shows students different ways to find centroids of regular polygons. The traditional way (using medians) is presented, as well as the triangulation method, the diagonals method,...
Interactive
Mangahigh

Mangahigh: Shape: Recognize Regular Polygons

For Students 9th - 10th Standards
Test your knowledge of regular polygons,
Activity
Texas Instruments

Texas Instruments: Discovering Geometry: Drawing Regular Polygons

For Teachers 9th - 10th Standards
Students will explore the central angles of a regular polygon.
Handout
Math Open Reference

Math Open Reference: Area of a Regular Polygon

For Students 9th - 10th
A complete reference guide to the area of a regular polygon. It provides definitions, examples, and an interactive activity that enhances further explanation. Includes links to related topics.
Handout
Math Open Reference

Math Open Reference: Regular Polygon

For Students 9th - 10th
A complete reference guide to regular polygons. It provides definitions, examples, and an interactive activity that enhances further explanation. Includes links to related topics.
Activity
Texas Instruments

Texas Instruments: Area and Perimeter of Regular Polygons

For Teachers 9th - 10th Standards
Students determine the area and perimeter of regular polygons and use that information to conduct a beginning investigation of limits.
Activity
Texas Instruments

Texas Instruments: Areas of Regular Polygons and Circles

For Teachers 9th - 10th Standards
Use Cabri Jr. to find the area of several regular polygons and then use that investigation to derive the area of a circle from a many-sided polygon.
Activity
Texas Instruments

Texas Instruments: Area of a Regular Polygon

For Teachers 9th - 10th
This activity has the students derive the formula for finding the area of a regular polygon. Demonstrating the procedure of constructing a regular polygon in front of the class maybe necessary depending on the students prior experience
Activity
Texas Instruments

Texas Instruments: Finding the Area of Regular Polygons

For Teachers 9th - 10th Standards
Students discover a very intuitive method for determining the area of a regular polygon. They use that information to develop the standard area formula.
Activity
Texas Instruments

Texas Instruments: Constructing Regular Polygons

For Teachers 9th - 10th
In this activity, students will construct regular polygons. The activity will reinforce the difference between a construction and a drawing.
Unit Plan
CK-12 Foundation

Ck 12: Geometry: Area of Regular Polygons

For Students 9th - 10th
[Free Registration/Login may be required to access all resource tools.] This concept teaches students to calculate the area and perimeter of regular polygons. Students examine guided notes, review guided practice, watch instructional...
eBook
CK-12 Foundation

Ck 12: Interactive Geometry: 5.4 Constructions of Regular Polygons

For Students 9th - 10th Standards
Learn how to construct regular polygons.
Lesson Plan
OER Commons

Oer Commons: Polygons

For Teachers 7th
Seventh graders find the area of regular polygons, recalling what they already know about the area of geometric shapes and generalizing a formula for any regular polygon.
Unit Plan
CK-12 Foundation

Ck 12: Geometry: Regular and Irregular Polygons

For Students 7th
[Free Registration/Login may be required to access all resource tools.] Identify regular polygons and their characteristics
Unit Plan
CK-12 Foundation

Ck 12: Geometry: Interior Angles in Convex Polygons

For Students 9th - 10th
[Free Registration/Login may be required to access all resource tools.] This concept teaches students how to calculate the sum of the interior angles of a polygon and the measure of one interior angle of a regular polygon.
Activity
K-5 Math Teaching Resources

K 5 Math Teaching Resources: Symmetry in Regular Polygons [Pdf]

For Teachers 2nd - 5th
An activity for students to explore symmetry on different regular polygons.
Handout
Depaul University

Depaul University: Inscribing Regular Polygons

For Students 9th - 10th Standards
In this lesson, students learn to inscribe regular polygons inside a circle.
Unit Plan
University of Georgia

University of Georgia: Inter Math: Regular Polygon

For Students 9th - 10th
This site gives a description of regular polygons along with visual representations of several polygons. There are links to related terms, everyday examples, challenging problems, more information, and the interactive check point...
Unit Plan
Analyze Math

Analyze Math: Regular Polygons

For Students 9th - 10th Standards
The interactive tutorial examines the properties and formulas of regular polygons, inscribed circles, and circumscribed circles.

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