Geometry
Activities from the
National Library of Virtual Manipulatives
Tetris
Fill the vault with shapes.
Exploring Geometric Solids & Their Properties
Study shapes, look for patterns, and construct some shapes at this site from Illuminations i-Math Investigations.
Investigating the Concept of a Triangle
From the NCTM website. Includes an investigation for students as well as discussion for teachers.
Math Angles Made Easy
Information and exercises - all about angles!
Shape Sorter Tool
Sort shapes according to their properties using Venn Diagrams. Check with your partner to see how you did!
Developing Geometry Understandings with Tangrams
Tangram puzzles & challenges, with concept and instructional information for teachers as well. From the NCTM website.
Exploring Properties of Parallelograms & Rectangles
Tasks, discussion and reflection facilitate developing understandings about these two geometric shapes.
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.
Cutting Corners
Can you cut a rectangle to make 2 triangles? How about cutting a trapezoid to make one triangle and one parallelogram? Try it here!
Can You Get Your Turtle to the Pond?
Estimate length and angle measure to create a path for your virtual turtle.
Isometric Drawing Tool
Draw figures using edges, faces, or cubes & view in 3D or 2D!
Illunminations Shape Cutter
Create shape puzzles and learn how to use slides, turns, and flips.
Learn about coordinate pairs and play a game to test your understanding.
Test your understanding of coordinate pairs.
Mathematics Glossary
Multimedia glossary of math terms developed by Harcourt Brace

