Geometry Activities from the National Library of Virtual Manipulatives

Isometric Drawing Tool
Draw figures using edges, faces, or cubes & view in 3D or 2D!

Tetris--Fill the vault with shapes using arrow keys to rotate and place pieces.

Can You Get Your Turtle to the Pond?
Estimate length and angle measure to create a path for your virtual turtle.

Tessellation Town
Visit Tessellation Town on Tile Island and learn how to tessellate!

Learning Geometry and Measurement Concepts by Creating Paths & Navigating Mazes
Students combine their knowledge of geometry, measurement and number to solve challenging problems with their virtual lady bug.

Exploring Properties of Parallelograms & Rectangles
Tasks, discussion and reflection facilitate developing understandings about these two geometric shapes.

Developing Geometry Understandings with Tangrams
Tangram puzzles & challenges, with concept and instructional information for teachers as well. From the NCTM website.

Shape Sorter Tool
Sort shapes according to their properties using Venn Diagrams. Check with your partner to see how you did!

Investigating the Concept of a Triangle
From the NCTM website. Includes an investigation for students as well as discussion for teachers.

Exploring Geometric Solids & Their Properties
Study shapes, look for patterns, and construct some shapes at this site from Illuminations i-Math Investigations.