JEOPARDY!

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JEOPARDY!

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Vocabulary

Hodge Podge

Problems 1

Problems 2

Problems 3

Problems 4


A comparison of two quantities


ratio


The number used to multiply a figure by to get a

similar figure


Scale factor


Sides that are in the same position in a similar figure are

called….


Corresponding sides


Corresponding angles must have the same?


measure


Similar figures must have: (two things)


1. Corresponding angles have the same measure, 2.

corresponding sides have equivalent ratios.


What is the relationship between 3 and 1/3 called?


reciprocals


What is the number 8 called in the rule (8x,8y)?


coefficient


If we apply the following rule, will we have similar

figures? Why or why not? (.5x,.5y)


Yes, the coefficients of x and y are the same


What copier size factor would you apply to enlarge a figure 1.5 times?


150 %


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?


5


I want to enlarge a 3 x 5 inch picture by a

scale factor of 300%. How large would it be?


9 x 15


Which of the following rectangles are similar? Show math to prove.

4 x 86 x 16

10 x 20


4 x 8 and 10 x 20


A figure was enlarged by a scale factor of 4.

How many times bigger is the perimeter?


4


A figure was enlarged by a scale factor of 4,

how many times bigger is the area?


4 squared = 16 times bigger


21


X = 36


1080 cm


2x,2y


Explain what happens to the figure when the

rule is applied

(3x,6y)


3 times wider, 6 times taller


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?


3.76 cm x 4.9 cm


If you applied the rule (2x, 1/2y) to a figure, would the figures be similar? Why or why

not?


No, different coefficients.


A scale factor of 3 is applied to a figure.

How many times bigger will the area of

the image be?


9


(.5x, .5y) yes they are similar. Scale factor is

1/2


10/8 or 1.25


RS = 6RQ = 10

y = 50 degrees


192 cm squared


10


5/6 = x /24

x = _____


20


3/7 ÷ 4/7


3/4


Write the fraction as a decimal and as a percent.

3/8


.375 = 37.5 %

JEOPARDY!

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