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Resource Name	Topic (Course)	Technology	Type	Rating
Browsing: All Content in Geometry for Polygons Browse discussions			Login to Subscribe / Save Results
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,...
Area and perimeter of a trapez...	Trapezoid (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,...
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,...
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,...
Polygon Creator	Polygons (Geometry)	Java Applet	Tool	[1]
With this applet you can create polygons. The trick is to figure out the properties of polygons (the sum of the interior angles) so that you can instruct the program to produce legitimate polygons. ... More: lessons, discussions, ratings, reviews,...
What Is A Regular Hexagon?	Regular polygons (Geometry)	Java Applet	Tool	[1]
This applet illustrates what a regular hexagon is. More: lessons, discussions, ratings, reviews,...
Properties of Kites	Kite (Geometry)	Sketchpad	Tool	[1]
This is a one page activity that includes how to construct a kite on Sketchpad, along with a kite that is ready to be manipulated. The kite sketch is followed by 8 questions that lead the student to ... More: lessons, discussions, ratings, reviews,...
Polygons Unit Quiz	Polygons (Geometry)	JavaScript	Tool	[2]
Users interactively test their understanding of polygons and area with this unit quiz. More: lessons, discussions, ratings, reviews,...
Shape Sorter Tool	Polygons (Geometry)	Java Applet	Tool	[1]
Shapes have many different properties such as the lengths of their sides, measures of interior angles, and symmetry. This tool allows the user to use a Venn diagram model to sort shapes based on their... More: lessons, discussions, ratings, reviews,...
Interior Angles of a Polygon -...	Polygons (Geometry)	Java Applet	Tool	[1]
An interactive applet and associated web page that demonstrate that the interior angles of a polygon always add to a number related only to the number of sides. The applet shows a polygo... More: lessons, discussions, ratings, reviews,...
Rhombus, definition and prope...	Rhombus (Geometry)	Java Applet	Tool	[1]
A web page and interactive applet showing the definition and properties of a rhombus. The applet shows a rhombus where the user can drag any vertex. The other points then move in such a way that th... More: lessons, discussions, ratings, reviews,...
What Is A Kite?	Kite (Geometry)	Java Applet	Tool	[1]
This applet illustrates what a kite is. More: lessons, discussions, ratings, reviews,...
The Trapezoid	Trapezoid (Geometry)	Computer	Support Material	[1]
Provides the defining properties of a trapezoid. More: lessons, discussions, ratings, reviews,...
The Sum of Outer Angles of a P...	Polygons (Geometry)	Java Applet	Tool	[1]
This applet demonstrates an interesting property about the sum of the outer angles of a polygon. Remember to hit the OK button to close your polygon. To get the point of the applet you must continue ... More: lessons, discussions, ratings, reviews,...
Origami Construction	Regular polygons (Geometry)	JavaScript	Tool	[1]
Follow these step-by-step instructions to construct a mathematically correct regular pentagon by folding a sheet of paper. More: lessons, discussions, ratings, reviews,...
Definition and properties of a...	Square (Geometry)	Flash	Activity	[0]
An interactive applet and associated web page that show the definition and properties of a square when applied in coordinate geometry. The applet has a square, and the user can drag any vertex ... More: lessons, discussions, ratings, reviews,...
Definition and properties of a...	Rectangle (Geometry)	Flash	Activity	[0]
An interactive applet and associated web page that show the definition and properties of a rectangle in coordinate geometry. The applet has a rectangle with draggable vertices. As the user re-s... More: lessons, discussions, ratings, reviews,...
Definition and properties of a...	Trapezoid (Geometry)	Flash	Activity	[0]
An interactive applet and associated web page that show the definition and properties of a trapezoid in coordinate geometry. The applet has a trapezoid with draggable vertices. As the user re-s... More: lessons, discussions, ratings, reviews,...
Diagonals of a square - Math O...	Square (Geometry)	Flash	Activity	[0]
A web page and interactive applet show how to compute the length of the diagonals of a square. A square is shown that can be resized by dragging its vertices. As you drag, the diagonals are con... More: lessons, discussions, ratings, reviews,...
Diagonals of a rectangle- Math...	Rectangle (Geometry)	Flash	Activity	[0]
A web page and interactive applet show how to compute the length of the diagonals of a rectangle. A rectangle is shown that can be resized by dragging its vertices. As you drag, the diagonals a... More: lessons, discussions, ratings, reviews,...
The bounding box (Coordinate ...	Rectangle (Geometry)	Flash	Activity	[0]
An interactive applet and associated web page that show the definition and properties of the bounding box of a polygon or set of points. Also known as the circumscribed rectangle. The bounding b... More: lessons, discussions, ratings, reviews,...
Area and perimeter of a rectan...	Rectangle (Geometry)	Flash	Activity	[0]
An interactive applet and associated web page showing how to find the area and perimeter of a rectangle from the coordinates of its vertices. The rectangle can be either parallel to the axes o... More: lessons, discussions, ratings, reviews,...
Area and perimeter of a square...	Square (Geometry)	Flash	Activity	[0]
An interactive applet and associated web page showing how to find the area and perimeter of a square from the coordinates of its vertices. The square can be either parallel to the axes or rota... More: lessons, discussions, ratings, reviews,...
Midpoint Quadrilaterals	Quadrilaterals (Geometry)+	Sketchpad	Activity	[0]
Students construct the midpoints of the sides of a quadrilateral, connect them to form the midpoint quadrilateral, and then discover interesting properties of the midpoint quadrilateral. The link t... More: lessons, discussions, ratings, reviews,...
Exterior Angles in a Polygon	Polygons (Geometry)	Sketchpad	Activity	[0]
Students construct a pentagon with its exterior angles, measure the angles and find the sum. They then dilate the pentagon to look at the problem, and understand their result, in a new way. The lin... More: lessons, discussions, ratings, reviews,...
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