Worksheet
Curated OER

Regular & Irregular Polygons

For Students 7th
In this polygons worksheet, 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. Then, students...
Assessment9:45
Mathed Up!

Angles in Polygons

For Students 8th - 10th Standards
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...
Worksheet
Curated OER

Identifying Geometric Shapes: Hexagon, Polygon, or Heptagon

For Students 5th - 6th
In this identifying geometric shapes activity, students mark 12 multiple choice pictures of shapes as hexagons, polygons or heptagons.
Worksheet
Curated OER

Exterior Angles

For Students 10th
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,...
Lesson Plan
Willow Tree

Common Geometric Figures

For Students 8th - 11th Standards
Geometry could be called the study of figures. An overview of the figures found in a typical geometry course contains a study of different triangles, quadrilaterals, and regular polygons. 
Worksheet
Curated OER

Polygons

For Students 10th
In this polygons learning exercise, 10th graders solve and complete 27 various types of problems. First, they determine how many lines of symmetry a square has and if it is a parallelogram. Then, students find the number of lines of...
Worksheet
Curated OER

Polygons

For Students 10th
In this polygons learning exercise, 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...
Worksheet
Math eBook

Perimeter Worksheet

For Students 7th - 8th
In this perimeter worksheet, students find the perimeter of given regular and irregular polygons. This four-page worksheet contains 20 problems. This interactive worksheet may be completed online or printed for paper use.
Lesson Plan
Curated OER

Tessellations

For Teachers 5th - 8th
Students identify and construct figures that tessellate. They investigate which regular polygons tessellate and how to modify them to make other tessellating figures. Students explore how naturally occurring tessellations have been...
Worksheet
Curated OER

Polygons Homework

For Students 9th - 12th
In this polygons activity, students identify polygons that contain given parameters.  They write definitions of polygons.  Students find the measurement of exterior and interior angles of regular polygons.  This two-page...
Lesson Plan
Curated OER

Polygons and Diagonals

For Teachers 6th - 9th
Pupils practice measuring the interior angles of given regular polygons and create a formula for finding the measure of th interior angles of any polygon. They determine the relationships between the number of vertices's or sides in a...
Worksheet
Curated OER

Name Each Shape

For Students 4th - 5th
In this math worksheet, students analyze 15 pictures of geometric figures and match them to the names which are provided in a word bank. Students tell how many lines of symmetry each shape has.
Lesson Plan
Curated OER

Algebra/Geometry Institute Summer 2007 - Perimeter of Polygons

For Teachers 6th
Sixth graders find the perimeters of polygons and use perimeters to form polygons. In this perimeter lesson, 6th graders study vocabulary associated with finding perimeter such as polygon, line segment, variable, and formula. They make...
Lesson Plan
Curated OER

Symmetry and Tessellations

For Teachers 6th
Sixth graders investigate tessellations and their origins. Students trace triangles to form a tessellation. They measure the angle of equilateral triangles. Students locate the line of symmetry, they create geometric squares,...
Lesson Plan
Curated OER

Investigating Polygons

For Teachers 4th - 5th
In this math worksheet, students read information about 6 types of polygons and their sides and angles. Students then answer 5 questions about the geometric figures.
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...
Handout
University of Georgia

University of Georgia: Inter Math: Heptagon

For Students 6th - 8th
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...
Interactive
Calculator Soup

Calculator Soup: Regular Polygon Calculator

For Students 9th - 10th Standards
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.
Handout
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.
Handout
University of California

University of California Berkeley: Francois Viete

For Students 9th - 10th
This site from the University of California, Berkeley, provides a description of the life of Francois Viete, along with information about his works and his construction of a regular heptagon.
Activity
University of Cambridge

University of Cambridge: Nrich: Diagonal Trace

For Students 3rd - 4th
Develop problem solving skills working with pentagons and then check your results.
Whiteboard
ClassFlow

Class Flow: Segments and Polygons

For Teachers 3rd - 5th Standards
[Free Registration/Login Required] This flipchart reviews segments, parallel and perpendicular lines and then introduces polygons including quadrilaterals. It has many real world examples of shapes and includes Activote assessment.
Unit Plan
Other

George W. Hart: Polygons

For Students 9th - 10th Standards
This personal site presents some general information about polygons.