# Bookmark Collection

## Math for Elementary Education

Internet resources for Elementary Mathematics
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### Collection Content

• Rubber Sheet Geometry (Presentation)
Intro to topology concepts
• Topology for Tots (Presentation)
Intro to topology concepts
• Maths aMazes (Presentation)
Mazes and Nets
• AlexWarp Code (Simulation)
Image distorrion w/source code
• WWW Unit Converter (Reference Material)
Unit conversions
• A Dictionary of Units (Reference Material)
unit Conversions
• Interactive Resources (Animation)
Nice activites with interactive ruler, protractor, and compass.
• The Vernier Caliper (Simulation)
Interactive Vernier Caliper
• Vernier Calipers (Simulation)
Interactive Vernier caliper
• Micrometer Calipers (Simulation)
Interactive Micrometer calipers
• Interactive Math Dictionary using Flash
• Cut-the-Knot! (Collection)
• Puzzle Pages (Collection)
Good pentomino and tangram info.
• Origami Cube (Simulation)
Directions for folding a cube.
• Interactive Java Applets
• See NCTM Standards.
• Pattern Blocks (Simulation)
• Interactive polyhedra
• Isometric Drawing Tool (Simulation)
Block and Mat diagrams.
• Geodesic Clubhouse (Simulation)
Construct a more complex geodesic dome from newsprint.
• Geodesic Dome (Simulation)
Construct a simple geodesic dome from newsprint.
• Virtual Manipulatives (Simulation)
This is a virtual manipulatives library. It contains virtual manipulatives for Numbers/Operations, Algebra, Geometry,... More
• Conceptua Math (Animation)
This is a group of fraction tools. Different tools address finding common denominators, adding fractions, subtracting... More