Proportion JeopardyComing toterms HERatio
Don’t tip the scales
Turn up the volume
Don’t be square
Q $100
Q $200
Q $300
Q $400
Q $500
Q $100 Q $100Q $100 Q $100
Q $200 Q $200 Q $200 Q $200
Q $300 Q $300 Q $300 Q $300
Q $400 Q $400 Q $400 Q $400
Q $500 Q $500 Q $500 Q $500
Final JeopardySPI: 0706.2.7 & 0706.4.3GLE: 0706.2.3
$100 Question from H1
Shapes that are = in angleBut changed in size
$100 Answer from H1
Similar shapes
$200 Question from H1
A comparison of two things
$200 Answer from H1
ratio
$300 Question from H1
2 = ratios
$300 Answer from H1
proportion
$400 Question from H1
Using a scale to find the measurment of an unknown
$400 Answer from H1
Indirect Measurement
$500 Question from H1
What you multiply when a shape changes size
$500 Answer from H1
Scale factor
$100 Question from H2
If Oprah loses 3 pounds a month she will lose ? pounds this year.
$100 Answer from H2
36 lbs
$200 Question from H2
Kim is taking 3 of her friends to the movie, if tickets cost $5.50, what it the cost?
$200 Answer from H2
$ 22.00
$300 Question from H2
If 1 cm represents 30 m, and a model of Lady Liberty is 3 cm, what is her approximate height?
$300 Answer from H2
90 m
$400 Question from H2
If Lady Liberty’s nose is 1/8 of her arm and her arm measures 42 feet, how big is her nose?
$400 Answer from H2
5.25 feet
$500 Question from H2
If the Leaning Tower of Pisa is 55 m tall, using the scale 1 cm = 30m, what would be the height of a model of the tower?
$500 Answer from H2
1.83 cm
$100 Question from H3
What is the scale factor when a shape doubles its size?
$100 Answer from H3
2
$200 Question from H3
What would be the scale factor if a shape shrinks to half its size?
$200 Answer from H3
½
$300 Question from H3
Look at the pictures, what is the scale factor?
108
60
5
$300 Answer from H3
1/12
$400 Question from H3
What is the scale factor for these dimensions if A shrinks to B?
SHAPE A SHAPE BLength 54 Length 6Width ? Width 11
$400 Answer from H3
1/9
$500 Question from H3
Look at these shapes and determine the scale factor..
6
x72
$500 Answer from H3
12
$100 Question from H4
What is the new volume when the scale factor is 2?
34
5
$100 Answer from H4
It is 480: 8x6x10
$200 Question from H4
What is the volume of the second with a scale factor of ½ ?
64
20
$200 Answer from H4
3x2x10 = 60
$300 Question from H4
How much does the volume increase with a scale factor of 3 ?
$300 Answer from H4
27 times
$400 Question from H4
How much does the volume decrease with a scale factor of 1/4 ?
$400 Answer from H4
1/64
$500 Question from H4
Your Text Here
$500 Answer from H4
Your Text Here
$100 Question from H5
With dimensions 5 x 2 and an increase in size by the scale factor of 4, what is the new area?
$100 Answer from H5
5 x 2 would become 20 x 8 = 160
$200 Question from H5
What is the area of the enlargement with a scale factor of 3 ?
5
8
$200 Answer from H5
(8 x 5) /2 = 2020 x 32 = 180
$300 Question from H5
What is the area with a scale factor of ¼ ?
40
60
$300 Answer from H5
40 x 60 = 24002400 x (1/4)2 = 150
$400 Question from H5
What does a scale factor of 3 do to area ?
$400 Answer from H5
Increases the area 9 times
$500 Question from H5
Find the scale factor and area of each.
4
R = 4R = 12
$500 Answer from H5
Scale factor is 3: Area of larger is 452.16Area of smaller is 50.24
Final Jeopardy
Complete the chart if the dimensions are 4 x 3:
Scale factor:
2:
New Area?
Scale factor 3:
New Area?
Scale Factor
6:
New Area?
Final Jeopardy Answer
Scale Factor 2: 48Scale Factor 3: 108Scale Factor 6: 432