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.
E-learning for Kids
E Learning for Kids: Math: School Bus: 2 D Space
Students will play learning games to explore parallel lines and two-dimensional shapes.
abcteach
Abcteach: Geometry
[Free Registration/Login Required] This resource has an assortment of teacher-created geometry activities for elementary and primary students. Printable two-dimensional shapes, area and perimeter worksheets, board games, rules and...
Study Pad
Splash Learn: Compose Shapes
[Free Registration/Login Required] Place the shapes on the picture outline and collect coins for each correct answer.
Primary Resources
Primary Resources: 2 D and 3 D Shapes
Here is a huge collection of teacher resources for teaching 2-D and 3-D shapes. Includes smartboard and PowerPoint presentations, as well as worksheets and helpful hints.
CK-12 Foundation
Ck 12: Elem Math: Counting Vertices and Sides in Various Shapes
[Free Registration/Login may be required to access all resource tools.] Students practice counting sides and vertices in various two dimensional shapes.
CK-12 Foundation
Ck 12: Elem Math: Determining Whether a Given Shape Can Be Tessellated
[Free Registration/Login may be required to access all resource tools.] Students watch a video to determine if a two dimensional shape can be tessellated and then take a quick assessment to test their skills.
National Council of Teachers of Mathematics
Nctm: Figure This: A Shard or Two
Archaeologists have just uncovered an ancient plate. They need your help to determine the original size of the plate. Try this challenge where you use concepts of symmetry and estimation to uncover the solution. An activity from the NCTM...
E-learning for Kids
E Learning for Kids: Math: Street Orchestra: 3 D Space
Join Allegro in his street orchestra and learn about 3D shapes.
Government of Alberta
Learn Alberta: Math Interactives: Classifying Quadrilaterals
This multimedia that includes a short video [1:19] and other interactive activities on Learn Alberta math resource looks at real-world examples of shape classification in the investigation and solving of crimes. The accompanying...
Math Planet
Math Planet: Pre Algebra: Measure Areas
Demonstrates how to calculate the area of two-dimensional shapes using formulas. Covers parallelogram, triangle, trapezoid, and circle. Includes a video modeling how to find the area of a circle and a triangle. [0:59]
Other
Kindergarten Works: 10 Activities for Describing 3 D Shapes in Kindergarten
Describing 3D shapes in Pre-K and Kindergarten is now an expectation as it is a key geometry standard. This resource contains 3D shapes activities and resources for practicing this standard. Included are chants, videos, games, poetry,...
Other
Nearpod: Shape Attributes
In this instructional activity on shape attributes, learners learn key vocabulary, explore bases, and apply their learning to a real-world situation.
CK-12 Foundation
Ck 12: Elem Math: Completing the Whole Pictures
[Free Registration/Login may be required to access all resource tools.] Students watch a video and then attempt practice problems on how to complete a whole picture with some missing parts.
Khan Academy
Khan Academy: Symmetry of 2 D Shapes
Analyze various shapes according to their reflective and rotational symmetries. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
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...
National Council of Teachers of Mathematics
Nctm: Figure This: Cut the Cake
A math challenge where geometry, measurement, and problem solving meet. Explore the properties of three dimensional shapes when you discover how six friends can equally divide a nine inch square chocolate cake. A one page activity from...
PBS
Pbs Learning Media: Making Rock Candy
In this video segment from Cyberchase, two friends make rock candy while learning about 2-D and 3-D shapes.
Illustrative Mathematics
Illustrative Mathematics: Grandfather Tang's Story
The purpose of this task is for students to compose two-dimensional shapes to create a composite shape using tangram pieces. The teacher will read "Grandfather Tang's Story" and the students will use tangrams to compose the animals from...
Annenberg Foundation
Annenberg Learner: Shadows
Can you judge an object by its shadow? Use your mental rotation skills to determine if a shadow can be produced by a particular shape.
Alabama Learning Exchange
Alex: Understanding Fractions
In this lesson the children will demonstrate parts of a whole using a candy bar (or fruit), and piece of paper. The activities are used as instructional plans to help students better understand shapes and parts of a shape up to a whole....
University of Cambridge
University of Cambridge: Maths and Sports: National Flags
During the Olympic and Paralympic Games many national flags will be on display. This activity explores 2D shapes, angles and symmetries in the context of flag designs, and is designed to be accessible to primary pupils at Key Stage 2.
Other
Kinderweb: Educational Children's Games
Use this site to practice identifying shapes, colors, and animals with these interactive games.
E-learning for Kids
E Learning for Kids: Math: Riksjas, Toek Toek: Polygons
Explore polygons with Wang, a ricksha puller. Answer his questions and he will give you a free ride!