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Divide the class into three groups and have each group choose one person who will answer
questions on behalf of the whole group.
Have each group take out scratch paper, pencil and a calculator (optional)
Choose one group to start the game by choosing a category and an amount.
Click on the link to read the question. The group whose captain raises his/her hand first gets a
chance to answer, but they must wait for you to finish reading the question. If they ring before,
they cannot answer that particular question.
If the first group answers incorrectly, allow the other groups to try.
Answers must be given in the form of “who/what is…?” and 20 seconds are given to answer
each question.
Add money amount for correct answers, and deduct corresponding amount for incorrect
answers.
Keep score for each group on the board/overhead or any medium of choice.
Click on the pink back button to go back to the category board and have the team that last
answered a question correctly choose the next category.
Repeat above procedures until all questions have been answered for the regular round and
for double Geopardy.
After all categories have been played, show the final Geopardy topic. Have each group
decide how much of their winnings they want to wager and write it on a piece of paper .
Once they all decide, give them 45 seconds to answer the question and write it down.
Have each group reveal their answer and compute the final score.
Have some type of prize/reward for the winning team, i.e. pizza party, free homework pass,
etc.
Name that
polygon
Angles
It’s all in the
equation
Properties of
all polygons
100
100
100
100
200
200
200
200
300
300
300
300
500
500
500
500
1000
1000
1000
1000
This
polygon has
five sides
What is a pentagon?
This
polygon has
seven sides
What is a heptagon?
The
shape of a
standard stop sign
What is a regular octagon?
This
is the name of
the simplest polygon
What is a triangle?
This
polygon has
twelve sides
What is a dodecagon?
This
is the sum of the
interior angles of a
triangle
What is 180⁰?
This
is the sum of the
interior angles of a
quadrilateral
What is 360⁰?
The
interior angle is
always
to an
exterior angle at
that vertex
What is supplementary?
The
sum of the
interior angles of a
hexagon
What is 720⁰?
The
sum of the
exterior angles of an
n-gon
What is 360⁰?
This
equation can
be used to find the
sum of the interior
angles of an n-gon
What is 180⁰( n – 2 )?
The
measure of one
interior angle of a
regular n-gon can be
found using this
equation
( n – 2 )180⁰ /n?
The
measure of one
exterior angle of a
regular n-gon can
be found using this
equation
What is 360⁰/n?
This
equation can
be used to find the
central angle of a
regular polygon
What is 360⁰/n?
This
equation can
be used to find the
number of
diagonals in a
polygon
What is ½ ( n - 3 )n?
Angles
at each
vertex on the inside
of a polygon
What are interior angles?
The
angle on the
outside of a polygon
between a side and
the extended
adjacent side
What are exterior angles?
Lines
linking any
two non-adjacent
vertices
What are diagonals?
The
number of
square units it takes
to completely fill a
polygon
What is area?
The
distance
around a polygon
What is perimeter?
Types of
polygons
Properties of
Quadrilaterals
regular
polygons
Nonagons
200
200
200
200
400
400
400
400
600
600
600
600
1000
1000
1000
1000
2000
2000
2000
2000
A
polygon with all
equal sides and
interior angles
What is a regular polygon?
Each
side may be a
different length,
each angle may be
a different measure
What is an irregular
polygon?
All
interior angles are
less than 180°, and all
vertices ‘point
outwards’ away from
the interior
What is a convex polygon?
One
or more interior
angles is greater than
180°. Some vertices push
'inwards' towards the
interior of the polygon
What is a concave polygon?
A
polygon where one or
more sides cross back
over itself, not
considered to be a real
polygon
What is a crossed polygon?
A
line from the
center to the
midpoint of a side
What is the apothem?
A
line from the
center to any vertex
of a regular polygon
What is the radius?
Largest
circle that
will fit inside a
regular polygon
What is an incircle?
The
circle that
passes through all
the vertices of a
regular polygon
What is a circumcircle?
Another
name for
the apothem
What is inraduis?
A
quadrilateral that
has two parallel
bases
What is a trapezoid?
The
greatest
number of obtuse
angles that a
quadrilateral can
have
What is two?
This
quadrilateral is
equilateral but not
equiangular
What is a rhombus?
This
type of
quadrilateral is
equiangular, but not
equilateral
What is a rectangle?
A
quadrilateral with
two distinct pairs of
equal adjacent
sides
What is a kite?
Measure
of an
interior angle of a
regular nonagon
What is 140⁰?
Measure
of an
exterior angle of a
regular nonagon
What is 40⁰?
Sum
of its interior
angles
What is 1260⁰?
Number
of
diagonals in a
nonagon
What is 27?
The
number of
triangles created by
drawing the
diagonals from a
given vertex
What is 7?

Name the polygon
The
sum of its
interior angles is 4
times the sum of its
exterior angles
What is a decagon?