jeopardy!

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JEOPARDY!
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Stretching and shrinking
Template by
Bill Arcuri, WCSD
Modified by
Chad Vance, CCISD
JEOPARDY!
Vocabular
y
Hodge
Podge
Problems
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Problems
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Problems
3
Problems
4
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Template by
Bill Arcuri, WCSD
Modified by
Chad Vance, CCISD
A comparison of two
quantities
Template by
Bill Arcuri, WCSD
Modified by
Chad Vance, CCISD
ratio
Template by
Bill Arcuri, WCSD
Modified by
Chad Vance, CCISD
The number used to
multiply a figure by to get a
similar figure
Template by
Bill Arcuri, WCSD
Modified by
Chad Vance, CCISD
Scale factor
Template by
Bill Arcuri, WCSD
Modified by
Chad Vance, CCISD
Sides that are in the same
position in a similar figure are
called….
Template by
Bill Arcuri, WCSD
Modified by
Chad Vance, CCISD
Corresponding sides
Template by
Bill Arcuri, WCSD
Modified by
Chad Vance, CCISD
Corresponding angles must
have the same?
Template by
Bill Arcuri, WCSD
Modified by
Chad Vance, CCISD
measure
Template by
Bill Arcuri, WCSD
Modified by
Chad Vance, CCISD
Similar figures must have:
(two things)
Template by
Bill Arcuri, WCSD
Modified by
Chad Vance, CCISD
1. Corresponding angles have
the same measure, 2.
corresponding sides have
equivalent ratios.
Template by
Bill Arcuri, WCSD
Modified by
Chad Vance, CCISD
What is the relationship
between 3 and 1/3 called?
Template by
Bill Arcuri, WCSD
Modified by
Chad Vance, CCISD
reciprocals
Template by
Bill Arcuri, WCSD
Modified by
Chad Vance, CCISD
What is the number 8 called
in the rule (8x,8y)?
Template by
Bill Arcuri, WCSD
Modified by
Chad Vance, CCISD
coefficient
Template by
Bill Arcuri, WCSD
Modified by
Chad Vance, CCISD
If we apply the following
rule, will we have similar
figures? Why or why not?
(.5x,.5y)
Template by
Bill Arcuri, WCSD
Modified by
Chad Vance, CCISD
Yes, the coefficients of x
and y are the same
Template by
Bill Arcuri, WCSD
Modified by
Chad Vance, CCISD
What copier size
factor would you
apply to enlarge a
figure 1.5 times?
Template by
Bill Arcuri, WCSD
Modified by
Chad Vance, CCISD
150 %
Template by
Bill Arcuri, WCSD
Modified by
Chad Vance, CCISD
If the perimeter of
one figure is 10, and
the perimeter of a
similar figure is 50,
what was the scale
factor used to
enlarge the figure?
Template by
Bill Arcuri, WCSD
Modified by
Chad Vance, CCISD
5
Template by
Bill Arcuri, WCSD
Modified by
Chad Vance, CCISD
I want to enlarge a 3 x
5 inch picture by a
scale factor of 300%.
How large would it be?
Template by
Bill Arcuri, WCSD
Modified by
Chad Vance, CCISD
9 x 15
Template by
Bill Arcuri, WCSD
Modified by
Chad Vance, CCISD
Which of the following
rectangles are similar?
Show math to prove.
4x8
6 x 16
10 x 20
Template by
Bill Arcuri, WCSD
Modified by
Chad Vance, CCISD
4 x 8 and
10 x 20
Template by
Bill Arcuri, WCSD
Modified by
Chad Vance, CCISD
A figure was enlarged
by a scale factor of 4.
How many times
bigger is the
perimeter?
Template by
Bill Arcuri, WCSD
Modified by
Chad Vance, CCISD
4
Template by
Bill Arcuri, WCSD
Modified by
Chad Vance, CCISD
A figure was enlarged
by a scale factor of 4,
how many times
bigger is the area?
Template by
Bill Arcuri, WCSD
Modified by
Chad Vance, CCISD
4 squared = 16 times
bigger
Template by
Bill Arcuri, WCSD
Modified by
Chad Vance, CCISD
Template by
Bill Arcuri, WCSD
Modified by
Chad Vance, CCISD
21
Template by
Bill Arcuri, WCSD
Modified by
Chad Vance, CCISD
Template by
Bill Arcuri, WCSD
Modified by
Chad Vance, CCISD
X = 36
Template by
Bill Arcuri, WCSD
Modified by
Chad Vance, CCISD
Template by
Bill Arcuri, WCSD
Modified by
Chad Vance, CCISD
1080 cm
Template by
Bill Arcuri, WCSD
Modified by
Chad Vance, CCISD
Template by
Bill Arcuri, WCSD
Modified by
Chad Vance, CCISD
2x,2y
Template by
Bill Arcuri, WCSD
Modified by
Chad Vance, CCISD
Explain what happens
to the figure when the
rule is applied
(3x,6y)
Template by
Bill Arcuri, WCSD
Modified by
Chad Vance, CCISD
3 times wider, 6 times taller
Template by
Bill Arcuri, WCSD
Modified by
Chad Vance, CCISD
A model tv is created.
The actual tv screen is
18.8 cm by 24.5 cm.
The scale factor
between the actual and
model is 1/5. What are
the dimensions of the
model tv?
Template by
Bill Arcuri, WCSD
Modified by
Chad Vance, CCISD
3.76 cm x 4.9 cm
Template by
Bill Arcuri, WCSD
Modified by
Chad Vance, CCISD
If you applied the rule
(2x, 1/2y) to a figure,
would the figures be
similar? Why or why
not?
Template by
Bill Arcuri, WCSD
Modified by
Chad Vance, CCISD
No, different
coefficients.
Template by
Bill Arcuri, WCSD
Modified by
Chad Vance, CCISD
A scale factor of 3 is
applied to a figure.
How many times
bigger will the area of
the image be?
Template by
Bill Arcuri, WCSD
Modified by
Chad Vance, CCISD
9
Template by
Bill Arcuri, WCSD
Modified by
Chad Vance, CCISD
Template by
Bill Arcuri, WCSD
Modified by
Chad Vance, CCISD
(.5x, .5y) yes they are
similar. Scale factor is
1/2
Template by
Bill Arcuri, WCSD
Modified by
Chad Vance, CCISD
Template by
Bill Arcuri, WCSD
Modified by
Chad Vance, CCISD
10/8 or 1.25
Template by
Bill Arcuri, WCSD
Modified by
Chad Vance, CCISD
Template by
Bill Arcuri, WCSD
Modified by
Chad Vance, CCISD
RS = 6
RQ = 10
y = 50 degrees
Template by
Bill Arcuri, WCSD
Modified by
Chad Vance, CCISD
Template by
Bill Arcuri, WCSD
Modified by
Chad Vance, CCISD
192 cm squared
Template by
Bill Arcuri, WCSD
Modified by
Chad Vance, CCISD
Template by
Bill Arcuri, WCSD
Modified by
Chad Vance, CCISD
10
Template by
Bill Arcuri, WCSD
Modified by
Chad Vance, CCISD
5/6 = x /24
x = _____
Template by
Bill Arcuri, WCSD
Modified by
Chad Vance, CCISD
20
Template by
Bill Arcuri, WCSD
Modified by
Chad Vance, CCISD
3/7 ÷ 4/7
Template by
Bill Arcuri, WCSD
Modified by
Chad Vance, CCISD
3/4
Template by
Bill Arcuri, WCSD
Modified by
Chad Vance, CCISD
Write the fraction as a decimal
and as a percent.
3/8
Template by
Bill Arcuri, WCSD
Modified by
Chad Vance, CCISD
.375 = 37.5 %
Template by
Bill Arcuri, WCSD
Modified by
Chad Vance, CCISD
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