Interactive
Other

Kinderweb: Educational Children's Games

For Students Pre-K - 1st Standards
Use this site to practice identifying shapes, colors, and animals with these interactive games.
Activity
National Council of Teachers of Mathematics

The Math Forum: Line Symmetry

For Teachers 3rd - 5th Standards
This site from The Math Forum is a great site if you are looking for activities to engage your students in learning about line symmetry. Peruse this collection of activities for one or two or four that would be right for your students....
Interactive
Government of Alberta

Learn Alberta: Math Interactives: Classifying Quadrilaterals

For Students 4th - 6th
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...
Website
University of Regina (Canada)

University of Regina: Math Central: Lesson: Mr. Z's 5 Minute Game of Geometric Pandemonium

For Teachers 3rd - 5th Standards
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...