Khan Academy
Khan Academy: Two Dimensional Noise
In this 7-problem quiz/practice, students practice understanding how two dimensional noise is created by adjusting the number of subdivisions and resolution to match a given target.
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...
Other
Nearpod: Three Dimensional Shapes
In this lesson, students will learn to identify three-dimensional shapes by name and distinguish between two-dimensional and three-dimensional shapes.
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.
McGraw Hill
Glencoe: Self Check Quizzes 1 Two Dimensional Figures Polygons
Use Glencoe's randomly generated self-checking quiz to test your knowledge of two-dimensional figure-polygons. Each question has a "Hint" link to help. Choose the correct answer for each problem. At the bottom of the page click the...
CK-12 Foundation
Ck 12: Elem Math: Identifying Straight Lines in Various Shapes
[Free Registration/Login may be required to access all resource tools.] Students watch a video and attempt practice problems on determining if there are straight lines in various two dimensional shapes.
PBS
Pbs Kids Afterschool Adventure!: Operation: Shape It Up Activity Plan
Get your spy glasses ready! In this weeklong adventure, children will explore shapes and their attributes and use this knowledge to decode a secret message. Children will learn about two-dimensional (flat) and three-dimensional (solid)...
Beacon Learning Center
Beacon Learning Center: The Facts Please, Mr. Mumble
This interactive web lesson teaches students about two-dimensional shape attributes.
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.
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.
Beacon Learning Center
Beacon Learning Center: Ask Hannah
This web lesson teaches students about symmetry in two-dimensional shapes.
BBC
Bbc: Bitesize: Maths: 2 D Shapes
Learn about the properties of 2-D shapes: circles, triangles, polygons, and quadrilaterals. Includes information, video, and examples about each, with games and quizzes for reinforcement.
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?
CK-12 Foundation
Ck 12: Elem Math: Counting the Number of Basic 2 D Shapes in a Composite Figure
[Free Registration/Login may be required to access all resource tools.] Students watch a video and attempt practice problems on counting basic two dimensional shapes in a composite figure.
CK-12 Foundation
Ck 12: Elem Math: Counting Different 2 D Shapes Within Complex Composite Figures
[Free Registration/Login may be required to access all resource tools.] Students watch a video and attempt practice problems on counting two dimensional shapes in a complex composite figure.
CK-12 Foundation
Ck 12: Elem Math: Counting Different 2 D Shapes Within Simple Composite Figures
[Free Registration/Login may be required to access all resource tools.] Students watch a video and attempt practice problems on how to dientify various two dimensional shapes within a composite figure.
NumberNut
Number Nut: Colors and Shapes
A succinct overview of colors and shapes with links to two shape games. In Shape Name Memory Challenge you match the shape with its name. In Three-Dimensional Shape Quiz, you must answer the quiz question by clicking on the correct color...
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.
University of Texas
Inside Mathematics: Don's Shapes [Pdf]
This task challenges a student to demonstrate understanding of the attributes of two-dimensional shapes.
GeoGebra
Geogebra: Copy of Classify Two Dimensional Figures
User will drag the vertices of the quadrilaterals to decide on the best possible classification.
Texas Instruments
Texas Instruments: Getting Started With Explorer Draw App
Exploring Three Dimensional Cubes This App contains two familiar tools, Logo Light and Isometric Dots. Draw two-dimensional shapes using the programming commands in Logo Light. Draw representations of three-dimensional cubes using...
CK-12 Foundation
Ck 12: Interactive Geometry: 9.4 Connections Between Two and Three Dimensions
Cross-sections are one way that two-dimensional objects are connected to three-dimensional objects.
Other
Bright Hub Education: Two Dimensional Art Activities
You don't have to be a trained artist to create beautiful two and three-dimensional art projects with your preschoolers. Many simple activities, such as painting and coloring, can be modified to include sensory elements to increase...