Scale Factor
Vocabulary
X =
Corresponding Sides & Angles
Hodge Podge
100
What is the scale factor from the small fry to the large fry?
3
100
To create a scaled copy, the number we multiply all sides in a figure by is called the
Scale Factor
100
If the scale factor is 4, what is the measurement of x?
24m
100
The side CB corresponds to the side ___
ZY
100
What is 1/2 x 12
6
200
Using the scale factor, what is the value of x?
20
200
What is the word that means same size or shape?
Congruent
200
The value of the unknown side length x is ...
7
200
The side AB corresponds to the side _______
XY
200
What is 3/4 x 2/3
6/12 or 1/2
300
What is the Scale Factor from triangle DEF to triangle D'E'F'?
1.5cm
300
What is it called when part of an original figure (point, line, angle) matches up with part of a copy?
Corresponding
300
The value of the unknown side length, ? is ...
?=20
300
Which angle corresponds with ∠X?
∠E
300
Estimate an answer:
32 x 5
30 x 5 = 150
400
What is the Scale Factor from triangle ABC to triangle DEF?
1/2
400
What is the answer to a multiplication called?
Product
400
7 x ______ = 3500
100
400
Fill in the blank:
In a scaled copy, all sides are multiplied by _______________________
the same scale factor
400
What is the reciprocal or multiplicative inverse of 1/2?
2
500
A flagpole and a model flag pole have a scale factor of 1 in.= 4 ft. If the model pole measures 12 inches, how tall is the pole in feet?
48ft
500
What is the anwer to a division problem called?
Quotient
500
70 x _____ = 2,800
40
500
True or False
In a scaled copy, all angles are congruent to the original figure?
True
500
If a scaled copy is 4 times larger than the original, what is the scale factor when the copy is 4 times smaller?
1/4