Curated OER
Extraterrestrial Shapes
For this shapes worksheet, students complete 5 different figures with various given shapes. First, they identify each shape illustrated. Then, students color and decorate each shape. Finally, students cut out and paste the various shapes...
Curated OER
Counting Shapes
In this mathematics activity, students identify various shapes. Then they circle the correct number of shapes illustrated in each box. There are 10 problems to solve on the sheet.
Curated OER
Compare Groups
In this mathematics worksheet, students identify various types of shapes shown. Then they circle the group with the most shapes. There are 8 problems to solve on the sheet.
Curated OER
Graph Groups
In this mathematics worksheet, students solve a number of problems by counting each shape and graphing the amount to the right in height. Then they circle the shape that appears the most often on the sheet.
Curated OER
Which One Does Not Belong?
In this mathematics worksheet, students circle the shape in each group that is different. there are six different groups to identify on the sheet.
Curated OER
Seeing Shapes
Learners study a variety of geometric shapes by taking pictures of items representing the shapes with a digital camera. They identify the shapes by using software to paint on the image.
Beacon Learning Center
Beacon Learning Center: The Facts Please, Mr. Mumble
This interactive web lesson teaches students about two-dimensional shape attributes.
That Quiz
That Quiz: Practice Test: Shapes
This resource provides a practice geometry quiz for students to use.
OER Commons
Oer Commons: Polygons
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.
Wolfram Research
Wolfram Math World: Octagon
A complex look at the octagon, which is an eight-sided polygon, from Mathworld.com.
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.
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.
Illustrative Mathematics
Illustrative Mathematics: G Co Building a Tile Pattern by Reflecting Octagons
This task applies reflections to a regular octagon to construct a pattern of four octagons enclosing a quadrilateral. The focus of the task is on using the properties of reflections to deduce that the quadrilateral is actually a square....
Math Open Reference
Math Open Reference: Octagon (8 Gon)
A complete reference guide to octagons. It provides a definition, examples, and an interactive activity that enhances further explanation. Includes links to related topics.
The Math League
The Math League: Figures and Polygons
This website has basic definitions for most polygons, regular and irregular.
Quia
Ixl Learning: Identify Shapes I
This interactive media source asks students to determine which picture shape matches the name of the shape that is displayed in each question.
University of Georgia
University of Georgia: Inter Math: Octagon
This site gives the general definition of a octagon with examples of regular convex and irregular concave octagons. The site has links to related terms, everyday examples, challenging problems, more information, and the interactive check...
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.