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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	[22]
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	[18]
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,...
Cubes	Volume (Geometry)	Java Applet	Tool	[5]
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,...
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,...
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,...
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,...
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,...
Math Jeopardy Template	General (Geometry)	PowerPoint	Tool	[3]
Using this PowerPoint template makes it easy to create your own professional-looking Jeopardy games. Five categories with five levels of difficulty are provided in the template. Complete instruction... 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,...
Composition of Transformations...	Transformations and symmetry (Geometry)+	Sketchpad	Activity	[2]
This "lab" contains seven "experiments" in which students perform different geometric transformations on an object to determine whether, or under what conditions, the transformations commute. 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,...
Surface Area of a Sphere	Spheres (Geometry)+	Flash	Tool	[2]
Flash-based introduction to finding the area of a sphere, given the radius. College Cram charges access fees by the month or by the semester for most resources. To get a preview of their tools, se... 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,...
Platonic Solids - Slicing	Regular polyhedra (Geometry)+	Java Applet	Tool	[2]
This virtual manipulative displays a platonic solid on the left and the outline of a plane that slices through it on the right. 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,...
Transformations - Rotation	Rotation (Geometry)	Java Applet	Tool	[2]
Dynamically interact with and see the result of a rotation transformation. 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,...
Dynamic Geometry Exploration: ...	Trapezoid (Geometry)	Java Applet	Tool	[2]
Two interactive trapezoids for students to use to make conjectures about midsegments. The second one allows the user to collapse the trapezoid to a triangle and make a conjecture about the relationsh... 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,...
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