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Geometry Activities for Middle...	Quadrilaterals (Geometry)	Sketchpad	Activity	$	[0]
These activities provide students with the opportunity to explore geometric concepts such as symmetry, transformations, and even fractal geometry in a way no other teaching tool can. The dynamic ca... More: lessons, discussions, ratings, reviews,...
Exploring Quadrilaterals	Quadrilaterals (Geometry)	Sketchpad	Activity		[0]
Students explore various types of quadrilaterals, investigating their properties and figuring out how the various shapes relate to each other. The link to the activity itself is to a zip file that ... 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,...
Proof as Discovery: Kite Midpo...	Quadrilaterals (Geometry)	Sketchpad	Activity		[0]
Students investigate and prove a property of kites, and use the proof to make a discovery about other quadrilaterals. The link to the activity itself is to a zip file that contains both the activi... More: lessons, discussions, ratings, reviews,...
Quadrilateral Exploration: Sha...	Quadrilaterals (Geometry)	Sketchpad	Activity		[0]
Students first use the seven "Quadrilateral Makers" (square maker, rhombus maker, rectangle maker, parallelogram maker, kite maker, trapezoid maker, and quadrilateral maker) to make a design of their ... More: lessons, discussions, ratings, reviews,...
Quadrilaterals	Quadrilaterals (Geometry)	Sketchpad	Activity		[0]
Investigate the parallelogram, rectangle, square, rhombus, and isosceles trapezoid. Includes an activity in PDF format and a prepared sketch. More: lessons, discussions, ratings, reviews,...
Two Minimum Length Problems an...	Quadrilaterals (Geometry)	Sketchpad	Activity		[0]
A guided exploration of minimum distances from vertices of a triangle or quadrilateral to a point within the figure, using Geometer's Sketchpad. More: lessons, discussions, ratings, reviews,...
Relationships Between Area and...	Quadrilaterals (Geometry)	Excel	Lesson Plan		[0]
In this activity, students explore the relationships between area and perimeter by fixing one value and maximizing the other. Students will explore the relationship between perimeter and area of recta... More: lessons, discussions, ratings, reviews,...
An Introduction to Quadrilater...	Quadrilaterals (Geometry)	Java Applet	Lesson Plan		[0]
An introduction to quadrilaterals. More: lessons, discussions, ratings, reviews,...
Parallelograms Dialogue	Quadrilaterals (Geometry)	Java Applet	Support Material		[0]
Introduces students to parallelograms and rombuses and defines the characteristics necessary to determine each shape. More: lessons, discussions, ratings, reviews,...
Quadrilaterals Dialogue	Quadrilaterals (Geometry)	Java Applet	Support Material		[0]
Introduces students to quadrilaterals and defines the characteristics of the polygon. More: lessons, discussions, ratings, reviews,...
Classification of Quadrilatera...	Quadrilaterals (Geometry)	Java Applet	Tool		[0]
An interactive Java illustration that highlights specific properties of various quadrilaterals. Quadrilaterals may be convex, orthodiagonal, cyclic, inscriptible, having parallel or equal sides, equil... More: lessons, discussions, ratings, reviews,...
Classifying Quadrilaterals Vis...	Quadrilaterals (Geometry)	Java Applet	Tool		[0]
In this activity, you will visually explore the relationship between several different quadrilaterals and eventually classify them in the form of a 'family tree'. After an introduction to a square and... More: lessons, discussions, ratings, reviews,...
Congruent Transformation	Quadrilaterals (Geometry)	Java Applet	Tool		[0]
This applet follows descriptions on how to transform any quadrilateral into a parallelogram, rectangle, or triangle based on transformations of the pieces of the quadrilateral. More: lessons, discussions, ratings, reviews,...
Euclid's Elements, Book 3, Pro...	Quadrilaterals (Geometry)	Java Applet	Tool		[0]
Euclid's proposition deals with proving equality among quadrilaterals constructed by intersecting lines within a circle. The guide then examines the structure of the proposition. The To reset the ap... More: lessons, discussions, ratings, reviews,...
Euclid's Elements, Book 3, Pro...	Quadrilaterals (Geometry)	Java Applet	Tool		[0]
Euclid's proposition shows that opposite angles of a quadrilateral within a circle sum to the measure of two right angles. The guide then examines the structure of the proposition. The To reset the ... More: lessons, discussions, ratings, reviews,...
Euclid's Elements, Book I, Def...	Quadrilaterals (Geometry)	Java Applet	Tool		[0]
Gives Euclid's original definitions of a square, oblong, rhombus, rhomboid, and trapezia and then examines the definitions' validity and durability. To reset the applet, press "r" while your cursor i... More: lessons, discussions, ratings, reviews,...
Explore Interior Angles of Pol...	Quadrilaterals (Geometry)	Java Applet	Tool		[0]
Drag the vertices of a quadrilateral or pentagon, and examine what happens to the angle measures and sum of the interior angles. Java Sketchpad activities, with guiding questions for students. 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,...
Problem about a Quadrilateral	Quadrilaterals (Geometry)	Java Applet	Tool		[0]
This applet illustrates what types of inscribed quadrilaterals are created by connecting the midpoints of a quadrilateral. More: lessons, discussions, ratings, reviews,...
Quadrilaterals - Math Open Ref...	Quadrilaterals (Geometry)	Java Applet	Tool		[0]
An interactive applet and associated web page showing the properties of a quadrilateral. The applet shows a quadrilateral with draggable vertices. The web page has an extensive list of the variou... More: lessons, discussions, ratings, reviews,...
Quadrilaterals in Quadrilatera...	Quadrilaterals (Geometry)	Java Applet	Tool		[0]
Java Sketchpad applet that illustrates the remarkable fact that the midpoints of any quadrilateral form a parallelogram. More: lessons, discussions, ratings, reviews,...
Tetragon, definition and prope...	Quadrilaterals (Geometry)	Java Applet	Tool		[0]
A web page and interactive applet illustrating the properties of a tetragon (4 sided polygon, aka quadrilateral). The applet shows a tetragon where the user can drag any vertex to reshape... More: lessons, discussions, ratings, reviews,...
Two Squares	Quadrilaterals (Geometry)	Java Applet	Tool		[0]
Find out what quadrilateral is formed at the midpoints of the segments connecting these two squares. More: lessons, discussions, ratings, reviews,...
Two Tapes	Quadrilaterals (Geometry)	Java Applet	Tool		[0]
Figure out what quadrilateral is created by these two pieces of overlapping tape using the provided applet. More: lessons, discussions, ratings, reviews,...
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