Curated OER
How Many?
In this measurement worksheet, students complete a 12 question multiple choice online interactive assessment about standard modern and ancient measurement.
Curated OER
Lines and Shapes
First graders identify different kinds of lines found in common shapes. They discover ways in which an artist utilizes lines in a painting.
Curated OER
Line and Shape Game
Students create a picture of an actual scene or overlap the called out lines or shapes into a space-breaker. If someone calls out a line or shape a student had not planned to use in the art, they have to figure out some way to use it...
TES Global
Tes: Maths and Islamic Art & Design
[Free Registration/Login Required] This is a collection of design and shape templates from the Maths and Islamic Art & Design sections of the Victoria and Albert Museum. It provides the following templates: Islamic circular grid,...
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...
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.
Wolfram Research
Wolfram Math World: Octagon
A complex look at the octagon, which is an eight-sided polygon, from Mathworld.com.
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....
Illustrative Mathematics
Illustrative Mathematics: G Co Origami Regular Octagon
After successive folds of a piece of origami paper, a student must explain why the shape made is a regular octagon. Aligns with G-CO.A.3 and G-CO.D.12.
Curated OER
Science Kids: Science Images: Octagon
This picture shows a simple outline of an octagon, a shape featuring eight sides.
The Math League
The Math League: Figures and Polygons
This site provides definitions of different types of polygons and figures.
The Math League
The Math League: Figures and Polygons
This website has basic definitions for most polygons, regular and irregular.
Khan Academy
Khan Academy: Name Shapes 4
Practice identifying quadrilaterals, pentagons, hexagons, and octagons. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video tutorial, or receive hints.
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.
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.