Other
Kinderweb: Educational Children's Games
Use this site to practice identifying shapes, colors, and animals with these interactive games.
Illustrative Mathematics
Illustrative Mathematics: 2.g Polygons
This lesson plan has students identify shapes by coloring the given shape a specific color.
CK-12 Foundation
Ck 12: Elem Math: Classify Objects as Rectangles, Squares, Circles, or Triangles
[Free Registration/Login may be required to access all resource tools.] Students watch a video and attempt practice problems on classifying rectangles, squares, circles and triangles.
Khan Academy
Khan Academy: Quadrilateral Types
Identify quadrilaterals based on pictures or attributes. Quadrilaterals included are parallelograms, rhombuses, rectangles, and squares. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a...
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...
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...
CK-12 Foundation
Ck 12: Algebra: Extend Numerical Patterns
[Free Registration/Login may be required to access all resource tools.] Extend numerical patterns by identifying and following rules
The Math League
The Math League: Figures and Polygons
This website has basic definitions for most polygons, regular and irregular.