An Online
Treasure Hunt
for
The
“rules” of the activity are simple: Working in groups of three, answer the
questions below by reading the online resources listed. To access an online
resource, simply click on its URL or address. After answering all questions,
answer the Big Question.
1. What is a quadrilateral?
Give a NONexample of a quadrilateral (a shape that is not a quadrilateral).
2. Enumerate the five common
types of quadrilateral.
3. When can you say that a
trapezoid is isosceles?
4. Describe a parallelogram.
5.
How does a square differ from a rhombus?
6.
Describe the
diagonals of a square.
7.
Identify the parallelogram with diagonals that are congruent
but not perpendicular.
8.
Which of the quadrilaterals have two pairs of congruent
opposite angles?
http://www.math.psu.edu/geom/koltsova/section10.html
http://www.math.com/school/subject3/lessons/S3U2L3GL.html
Parallelogram
and trapezoid
http://www.bymath.com/studyguide/geo/geo8.htm
Shapes: Quadrilaterals
http://www.icteachers.co.uk/children/sats/quadrilaterals.htm
Quadrilateral Family Tree
http://www.monroemontessori.com/Staffinfo/quadrilateral_family_tree.htm
Diagonals
in Quadrilaterals
http://www.intermathuga.gatech.edu/tweb/CPTM1/dhabeeb/diagonalsinaquad/diagonalsinaquad.htm
Trapezoid Conjecture
http://www.geom.uiuc.edu/~dwiggins/conj19.html
Quadrilaterals in Geometry
http://www.mste.uiuc.edu/m2t2/geometry/quadrilaterals/default.html
http://www.ezgeometry.com/class/class6/6.3.4/6.3.4.htm
Characteristics

Parallelogram

Rectangle

Rhombus

Square

Trapezoid

Trapezium

1.
All sides are congruent







2.
Two pairs of opposite sides are congruent







3.
Two pairs of opposite sides are parallel







4.
All angles are right angles







5.
Two pairs of opposite angles are equal







6.
Diagonals are equal







7.
Pair of sides is parallel







8.
No sides are parallel







Authored
by M. Soco