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.

This tutorial provides illustrations for regular 2-D shapes as well as a definition for polygons and for regular polygons.

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.

Meet Morisu in the dojo. Help him with symmetrical objects and shapes!

Can you help Wally the wizard practice some of his tricks while you learn about symmetry and 2D shapes?

Kyan is an African villager. Can you help him name and define different parts of shapes?

[Free Registration/Login may be required to access all resource tools.] Students watch a video and attempt practice problems on matching equivalent 2D shapes.

Investigate the concepts of area, volume, 3D shapes, and nets using this interactive Learn Alberta math. The solid shapes focused on this exploration include rectangular and triangular prisms, rectangular and triangular pyramids,...

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.

[Free Registration/Login Required] In this flipchart, students are introduced to the following 3-D shapes, including spheres, cylinders, and rectangular prisms.

Students will create a model of a three-dimensional shape and create tessellations on a computer using two-dimensional shapes.

[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.

[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.

[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.

[Free Registration/Login may be required to access all resource tools.] Students watch a video and attempt practice problems on identifying various 2D shapes in a set of figures.

[Free Registration/Login may be required to access all resource tools.] Students watch a video and attempt practice problems on identifying faces, edges and vertices of three dimensional shapes.

[Free Registration/Login may be required to access all resource tools.] The video describes how to determine which shapes are similar by looking at the attributes of the given shapes. The video is followed by a series of practice...

Identify the parts of 3D shapes in this assessment.

Students will idenitfy and group shapes based on their attributes.

Students will complete a series of learning games to explore two-dimensional shapes, such as naming them and completing the shape.

In this tea store, the boxes all have different shapes! What do you know about shapes?

Practice identifying 3D shapes.

Use this rhyming description of Max's Fantastical Zoo to make some amazing animals from geometric shapes. There is a teacher's guide for easy lesson planning.

Abeni works at the pyramids. Visit her and find out more about circles and triangles.