What's the Scale Factor?
Vocabulary
X =
Find the Corresponding Parts!
Fractions, Fractions, Fractions
100
Find the scale factor from the original to the copy by...
What is SF= copy/original, or copy divided by the original?
100
When a copy made of an original figure is decreased in size or smaller, the scale factor must be...
a Fraction or less than 1
100
The value of the unknown side length x is ...
What is x = 2.5?
100
What is the corresponding part to point L...
What is point C
100
The math operation that a fraction is...
What is division or dividing.
200
The scale factor for the original to the scale copy ...
What is SF=2?
200
If the scale factor is greater than 1, the the figure will...
increase in size
200
The value of the unknown side length x is ...
What is x = 7?
200
What part is corresponding to ∠ABC...
What is ∠VWX
200
Dividing by 2 is the same as multiplying by this fraction.
What is 1/2?
300
The scale factor from original to the copy is...
What is 1/2? (3/6 or 2/4)
300
It's the definition of Similar figures.
What is a figure that has the same shape, same angles, but different sizes.
300
Minutes Meters
2 9
1 x
x is 4.5
300
The corresponding part to side GS...
What is RK?
300
100 and 1/100 are an example of what?
What are reciprocals?
400
The scale factor from triangle ABC to triangle PQR is ...
What is 1/3? (16/36 or 5/15 or 9/18)
400
It is matching parts on two similar figures (original / copy) that are in the same position or place.
What are Corresponding Parts?
400
What is the CoP?
Days Grams
1 1/3
2 2/3
1/3
400
The length of the corresponding part to side ML
What is 9?
400
This is the reciprocal of 3/5?
What is 5/3?
500
The scale factor from triangle NPW to triangle N`P`W`is ...
What is 1/4? (5/20)
500
What you multiply one column by to get the other column.
What is the Constant of Proportionality
500
The value of the unknown side length x is ...
What is x=40.
500
The length of the corresponding part to the side CB is ...
What is 20?
500
Solve
What is 62/18 or 3 4/9