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Resource Name	Topic (Course)	Technology	Type	Rating
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Building Houses with Side View...	2D pictures of 3D solids (Geometry)+	Java Applet	Tool	[20]
This provides a visualization challenge. Front, right, and top views, and the number of blocks used, are shown; user constructs a block figure (dynamic, perspective drawing) to match (10 different fi... More: lessons, discussions, ratings, reviews,...
Cutouts, Nets	Regular polyhedra (Geometry)+	Java Applet	Tool	[17]
Dynamic net for constructing Platonic solids. Slider adjusts from flat to solid; it is interesting to see the shapes materialize from the flat nets. More: lessons, discussions, ratings, reviews,...
Geoboard	Polygons (Geometry)	Java Applet	Tool	[14]
Investigate, describe, and reason about the results of subdividing, combining, and transforming shapes using models and representations. Develop, understand, and use formulas to find the perimeter an... More: lessons, discussions, ratings, reviews,...
Building Houses	2D pictures of 3D solids (Geometry)+	Java Applet	Tool	[8]
Provides a "building pad" for constructing block houses. Building pad is dynamic; top, front, and side views of constructed objects are shown. More: lessons, discussions, ratings, reviews,...
Poly	Pyramids (Geometry)+	Computer	Tool	[4]
Poly is a shareware program for exploring and constructing polyhedra. With Poly, you can manipulate polyhedral solids on the computer in a variety of ways. Flattened versions (nets) of polyhedra may b... More: lessons, discussions, ratings, reviews,...
Types of Triangles	Isosceles (Geometry)+	Java Applet	Tool	[4]
This JavaSketchpad applet accompanies the tPoW, Types of Triangles. Students are able to drag and manipulate four triangles and by noticing what happens they classify the triangles as either scalene, ... More: lessons, discussions, ratings, reviews,...
Cubes	Volume (Geometry)	Java Applet	Tool	[4]
The volume of a box can be determined by using this applet to manipulate and enumerate unit cubes, rows of unit cubes, or layers of unit cubes. More: lessons, discussions, ratings, reviews,...
Tomography Game	Perimeter, area, and volume (Geometry)+	Java Applet	Tool	[4]
This game challenges you to identify a three-dimensional object based only on its intersections with a plane. The height of this plane can be changed using a slider control. This simulation of a compu... More: lessons, discussions, ratings, reviews,...
Colouring Sides 2	2D pictures of 3D solids (Geometry)+	Java Applet	Tool	[3]
Eight 3-d objects are shown in perspective and orthographic views. Some faces in the orthographic views are colored; user colors appropriate faces in the perspective view. Twenty variations shown, w... More: lessons, discussions, ratings, reviews,...
Fill and Pour	Cylinders (Geometry)+	Java Applet	Tool	[3]
Fill a glass with the requested amount of liquid by filling, emptying, and pouring between it and a second container. Click the "New Problem" button to generate new parameters; "Challenge" creates con... More: lessons, discussions, ratings, reviews,...
Area and perimeter of a trapez...	Coordinate geometry (Geometry)+	Flash	Activity	[2]
An interactive applet and associated web page showing how to find the area and perimeter of a trapezoid from the coordinates of its vertices. The trapezoid can be either parallel to the axes o... More: lessons, discussions, ratings, reviews,...
Printable compass / straighted...	Straightedge and compass (Geometry)	Flash	Activity	[2]
A web page that contains a list of 35 printable worksheets for compass and straightedge constructions. Each printable sheet has 2 or 3 problems and links back to the pages interactively explaining th... More: lessons, discussions, ratings, reviews,...
Right Triangle Geometry	Right (Geometry)+	Java Applet	Activity	[2]
This eModule presents real-world problems that motivate students to work with right triangle geometry. Interactive worksheets and diagrams with feedback help students learn to solve for unknown angles... More: lessons, discussions, ratings, reviews,...
History of Geometry	History of geometry (Geometry)	Computer	Support Material	[2]
This is a brief history of geometry by general topics (e.g. coordinate geometry). More: lessons, discussions, ratings, reviews,...
Euclid's Elements, Book I, Def...	Line (Geometry)	Computer	Support Material	[2]
Gives Euclid's original definition of a straight line and then examines the definition's validity and durability. More: lessons, discussions, ratings, reviews,...
GeoGebra	General (Geometry)	Computer	Tool	[2]
GeoGebra is a free and multi-platform dynamic mathematics software for schools that joins geometry, algebra and calculus. On the one hand, GeoGebra is a dynamic geometry system. You can do construc... More: lessons, discussions, ratings, reviews,...
Kali	Transformations and symmetry (Geometry)	Computer	Tool	[2]
Kali lets you draw symmetrical patterns based on any of the 17 tiling groups. Even the youngest children enjoy Kali. In particular, Kali does not assume the user knows how to read. Older ... More: lessons, discussions, ratings, reviews,...
Identify These Quadrilaterals	Quadrilaterals (Geometry)	Java Applet	Tool	[2]
This applet asks you to determine the types of quadrilaterals illustrated. More: lessons, discussions, ratings, reviews,...
Proof Without Words: Completin...	Logic and proof (Geometry)	Java Applet	Tool	[2]
Carry out an interactive, geometric "proof without words" for the algebraic technique of completing the square. More: lessons, discussions, ratings, reviews,...
Construct a 45° angle with ...	Angles (Geometry)+	Java Applet	Tool	[2]
An interactive applet and associated web page that show how to construct a 45° angle with a compass and straightedge. The animation can be single-stepped or run as a continuous movie. ... More: lessons, discussions, ratings, reviews,...
A Plethora of Polyhedra	Pyramids (Geometry)+	Java Applet	Tool	[2]
This is a free JAVA applet that helps users to study spatial geometry in a dynamic and interactive way. Using it, the user can rotate, zoom out, zoom in and translate a plethora of polyhedra. Moreover... More: lessons, discussions, ratings, reviews,...
Function Grapher Applet	Cartesian plane (Geometry)	Java Applet	Tool	[2]
With this one-variable function grapher applet and function evaluator, users can rotate axis/axes, change scale, and translate by using mouse or by entering data. The web site also contains informatio... More: lessons, discussions, ratings, reviews,...
eNLVM - Interactive Online Mat...	General (Geometry)	Java Applet	Tool	[2]
The eNLVM enhances the applets available through the National Library of Virtual Manipulatives (NLVM). It allows teachers to embed applets in lessons, make up questions to which students can submit an... More: lessons, discussions, ratings, reviews,...
Rotating Houses	2D pictures of 3D solids (Geometry)	Java Applet	Tool	[2]
Students are presented with a 3-d figure created with blocks that can be rotated and flipped using a mouse. The figure must be rotated until it matches a 2-d representation of one of the views. There ... More: lessons, discussions, ratings, reviews,...
Tessellations	Tessellations (Geometry)	Java Applet	Tool	[2]
Using this virtual manipulative you may: add a block to the workspace; rotate a block; change the color of a block; remove a block; group blocks; zoom in/out More: lessons, discussions, ratings, reviews,...
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