Curated OER
Learning About Guatemala Through Its Kites
Students are introduced to Guatemala and to the tradition of giant kites. They decorate the kite sail and construct the kite. Students identifies possible causal factors contributing to given historical events.
Curated OER
Squares to Compare
Students investigate how to draw and classify two and three dimensional figures (squares, triangles, rectangles.)
Khan Academy
Khan Academy: Practice: Classify Shapes by Line and Angle Types
Look at the properties of 2D shapes to see which shapes can belong to the same group. Includes hints.
Better Lesson
Better Lesson: Properties of Plane Shapes
I love graphic organizers. My students will increase their vocabularies by learning more 2D shape terms through the use of a graphic organizer.
Cuemath
Cuemath: Plane Shapes
A comprehensive guide for learning all about plane shapes with definitions, properties, types, solved examples, and practice questions.
Khan Academy
Khan Academy: Properties of Shapes
In this exercise, students practice applying the properties of shapes. Students receive immediate feedback and have the opportunity to get hints and try questions repeatedly.
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.
Khan Academy
Khan Academy: Properties of Shapes
Identify and compare shapes based on their attributes. Shapes include triangle types, quadrilateral types, pentagons, and hexagons. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video...
Khan Academy
Khan Academy: Classify Shapes by Line and Angle Types
Classify shapes based on pictures or attributes, such as angle types and side-lengths. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
University of Texas
Inside Mathematics: Quilt Making [Pdf]
This task challenges a student to demonstrate understanding of the concept of two dimensional shapes and their properties.
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.
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.
Other
Bright Productions Web Designs: Shape Game
You will enjoy this shape game. It tells you the name of a shape and all you have to do is click on the correct shape. If you get confused you can have another try.
Doina Popovici
Math Play: 2 D Shapes Jeopardy
Review basic facts and properties of two-dimensional shapes in this interactive game.
NumberNut
Number Nut: Shapes, Symbols and Colors: Two Dimensional Shapes
Describes, with illustrations, the basic two-dimensional shapes students will encounter in elementary Math.
ClassFlow
Class Flow: Two Dimensional Shapes Identify and Match
[Free Registration/Login Required] This flipchart helps students to analyze and compare various two-dimensional shapes according to the vertices, sides and parallel lines. It features "containers" created in Version 3 (can be used with...
PBS
Pbs Mathline Lesson: Geometry, It's a Perfect Fit [Pdf]
This two-part geometry lesson plan has students identify, describe, and classify two-dimensional shapes. Students engage in hands-on activities including identifying shapes in the classroom, creating patterns with shapes, identifying...
PBS
Pbs Learning Media: Classifying Polygons
This interactive diagram focuses on sorting polygons by common properties and then you select the correct label for each section of the Venn Diagram.
University of Cambridge
University of Cambridge: Maths and Sports: Sports Equipment
Sports such as hockey, football, basketball and tennis use balls of different sizes. Can you arrange a selection of different balls in a line each touching the next to make the shortest line? This activity offers opportunities for...
National Council of Teachers of Mathematics
Nctm: Illuminations: Shape Sorter
Students learn how to categorize plane figure polygons using Venn Diagrams with this computer based tool.
National Council of Teachers of Mathematics
Nctm: Figure This: Fire Hydrant
Discover how the geometric shape of an object directly relates to its usefullness in this math challenge from the NCTM Math Challenges for Families collection. A one page activity that you can print or download.
Sophia Learning
Sophia: Using Triangles to Examine Quadrilaterals: Lesson 5
This lesson demonstrates how to determine properties of quadrilaterals by using triangles. It is 5 of 5 in the series titled "Using Triangles to Examine Quadrilaterals."
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...
The Math League
The Math League: Figures and Polygons
This website has basic definitions for most polygons, regular and irregular.