Mathed Up!
Angles in Polygons
Show your class that finding angle measures is a regular calculation with a resource that provides 12 problems dealing with the measures of angles in regular polygons. Pupils use formulas for the sum of measures of angles in a polygon to...
Curated OER
Regular & Irregular Polygons
In this polygons instructional activity, 7th graders identify and complete 8 different problems that include determining the types of various polygons. First, they use the table to the left to color each of the polygons illustrated....
Curated OER
Identifying Geometric Shapes: Hexagon, Polygon, or Heptagon
In this identifying geometric shapes worksheet, students mark 12 multiple choice pictures of shapes as hexagons, polygons or heptagons.
Curated OER
Exterior Angles
In this exterior angles worksheet, 10th graders solve and measure 10 different angles and figures related to exterior angles. First, they determine how many degrees there are in the sum of the exterior angles of a regular heptagon. Then,...
Curated OER
Polygons
In this polygons worksheet, 10th graders solve 18 various types of problems related to different forms of polygons. First, they state the number of sides for each convex polygon and then, use the polygon shown to respond to each of 6...
Curated OER
Polygon Mobiles
Students explore a variety of shapes and angles and create mobiles with information about a selected polygon. Both common and "not-so common" polygons are examined.
That Quiz
That Quiz: Practice Test: Shapes
This resource provides a practice geometry quiz for students to use.
The Math League
The Math League: Figures and Polygons
This site provides definitions of different types of polygons and figures.
Other
Ic Teachers: Shapes: Polygons
The properties of the four different types of polygons--pentagons, hexagons, heptagons, and octagons--are discussed here. Some practice questions are also given to test your knowledge.
CK-12 Foundation
Ck 12: Geometry: Polygon Classification
[Free Registration/Login may be required to access all resource tools.] Classify different types of polygons by their number of sides.
CK-12 Foundation
Ck 12: Geometry: Polygon Classification
[Free Registration/Login may be required to access all resource tools.] This concept teaches students how to classify a polygon based on its sides and how to determine whether a polygon is convex or concave.
Other
Transition Mathematics: Polygons
This site has an extensive definition of a polygon. The definition is followed by multiple-choice questions that ask the student to name specific polygons. There is a link for more questions about polygons.
Math Open Reference
Math Open Reference: Heptagon (7 Gon)
Learn about heptagons with this resource which offers detailed explanations, examples, and an interactive. Subjects covered include properties of heptagons and heptagonal coins. Links to related topics.
Wolfram Research
Wolfram Math World: Heptagon
MathWorld offers general information and definition of the heptagon, a seven sided polygon.
The Math League
The Math League: Figures and Polygons
This website has basic definitions for most polygons, regular and irregular.
University of Cambridge
University of Cambridge: Nrich: Diagonal Trace
Develop problem solving skills working with pentagons and then check your results.
University of Georgia
University of Georgia: Inter Math: Heptagon
This site gives the general definition of a heptagon with several diagramed examples. There are links to related terms, everyday examples, challenging problems, more information, and the interactive check point involving heptagons...
Rice University
Rice University: Cynthia Lanius: Hidden Polygon Activity
On this site students are instructed to locate different types of polygons on triangle grid paper. This page can be printed so that students can actually draw them. It also gives a definitions link for each polygon.
Calculator Soup
Calculator Soup: Regular Polygon Calculator
Use this calculator to calculate properties of a regular polygon. Enter any 1 variable plus the number of sides or the polygon name. Calculates side length, inradius, circumradius, area, and perimeter.
Curated OER
Ic Teachers: Shapes Polygons
Introductory site on polygons, with exercises on the basic ones.