Oswego City School District
Regents Exam Prep Center: Area of Polygons and Circles
How would you find the area of a polygon or circle? Explore this concept with engaging activities at this test prep site. Here you will find detailed problem solving strategies with accompanying visuals, a reference table with formulas,...
CK-12 Foundation
Ck 12: Elem Math: Identifying Polygons and Ellipses
[Free Registration/Login may be required to access all resource tools.] For this learning module, students are asked to look at images and identify ellipses and different types of polygons. Includes video demonstrating a sample problem...
The Math League
The Math League: Figures and Polygons
This website has basic definitions for most polygons, regular and irregular.
Mocomi & Anibrain Digital Technologies
Mocomi: What Is a Polygon?
Defines polygons and explores characteristics, types of polygons, and how to calculate the area of a polygon.
SMART Technologies
Smart: Polygons
This SMART Notebook lesson allows students to characteristics of polygons by exploring vocabulary and sample problems.
E-learning for Kids
E Learning for Kids: Math: Bus Station: 2 D Shapes and Polygons
Students will complete a series of learning games to explore two-dimensional shapes, such as naming them and completing the shape.
Other
Nearpod: 2 D Shapes
In this instructional activity on 2D shapes, 3rd graders will learn to discriminate quadrilaterals from other polygons. Additionally, they will be able to identify attributes of a square, rectangle, and rhombus.
Math Is Fun
Math Is Fun: Regular 2 D Shapes
This tutorial provides illustrations for regular 2-D shapes as well as a definition for polygons and for regular polygons.
Science Struck
Science Struck: List of Different Types of Geometric Shapes
A comprehensive list of 2D shapes and 3D solids with everything from a triangle to a dodecahedron. Includes illustrations and short descriptions of attributes for each.
Illustrative Mathematics
Illustrative Mathematics: 2.g Polygons
This lesson plan has students identify shapes by coloring the given shape a specific color.
NumberNut
Number Nut: Shapes, Symbols, and Colors: 2 D Shapes
Did you know that two-dimensional shapes are also called polygons? This lesson describes the various 2-D shapes and includes two interactive games to reinforce skills.
National Council of Teachers of Mathematics
Nctm: Illuminations: Isometric Drawing Tool
This site includes an interactive math tool to create drawings on isometric dot paper. You can draw figures using edges, faces, or cubes. Rotate and color your drawings, and view them in 3D or 2D.
University of Regina (Canada)
University of Regina: Math Central: Lesson: Mr. Z's 5 Minute Game of Geometric Pandemonium
Students make a series of geometric drawings of points, obtuse angles, rays, polygons, and the like. Each child is given one but not allowed to show anyone else. The drawing is then taped to the back of the child in front of them. The...
Sophia Learning
Sophia: Using Triangles to Find the Sum of Interior Angles: Lesson 1
This lesson demonstrates how to use triangles to determine the sum of the interior angles of a polygon. It is 1 of 5 in the series titled "Using Triangles to Find the Sum of Interior Angles."
E-learning for Kids
E Learning for Kids: Math: Russian Toy Store: 2 D Shapes
Mattie and her four sisters are visiting a toy store. Can you help them find different shapes in the toy store?
University of Texas
Inside Mathematics: Don's Shapes [Pdf]
This task challenges a student to demonstrate understanding of the attributes of two-dimensional shapes.
National Council of Teachers of Mathematics
Nctm: Illuminations: Cutting Corners
Students will use their knowledge of plane figure attributes to create and view shapes by cutting and rotating shapes to stimulate discussions on names and attributes of various shapes they do not regularly encounter.
Cuemath
Cuemath: Plane Shapes
A comprehensive guide for learning all about plane shapes with definitions, properties, types, solved examples, and practice questions.
E-learning for Kids
E Learning for Kids: Math: Music: 2 D Shapes
Kyan is an African villager. Can you help him name and define different parts of shapes?
CK-12 Foundation
Ck 12: Elem Math: Matching Equivalent 2 D Shapes
[Free Registration/Login may be required to access all resource tools.] For this learning module, students are asked to match a given shape with those that are equivalent or the same type. Includes video demonstrating a sample problem...
BBC
Bbc: Representing Data
This BBC Math Bite tutorial for line graphs, pictograms, and frequency polygons features an exam in which students draw and interpret statistical diagrams.
National Council of Teachers of Mathematics
The Math Forum: Defining Geometric Figures
This site provides an in-depth definition of a two-dimensional figure and a three-dimensional figure. Related terms include arcs, vertices, polygon, and many more.
CK-12 Foundation
Ck 12: Tessellations: Triangle Tessellation
[Free Registration/Login Required] Students will explore tessellations and whether a polygon can tessellate. Click challenge me to answer practice questions and click learn more to watch a video.
CK-12 Foundation
Ck 12: Elem Math: Classify Objects as Rectangles, Squares, Circles, or Triangles
[Free Registration/Login may be required to access all resource tools.] Students watch a video and attempt practice problems on classifying rectangles, squares, circles and triangles.