Vocab
Scale Factor
Scale Factor Part 2
True or False
Miscellaneous/Random
100
To create a scaled copy, we ________all the lengths in the original figure by the same number. This number is called the scale factor.
multiply
100
What is the length of "?" if the two figures are scaled copies?
? = 12
100
If you were asked to draw a scaled copy with a scale factor of 4, the copy would be:
Bigger
Smaller
Same size
Bigger
Scale factors greater than 1 make the shape bigger
100
Figure B is a scaled copy of Figure A.
True or False: The scale factor of figure B to figure A is the reciprocal of the scale factor of figure A to figure B.
True!
100
How many minutes is it before you can use the bathroom in class?
10 minutes
200
Scaled copies have _____________ parts.
Corresponding
200
What is the length of "?" if the two figures are scaled copies?
? = 20
200
Figure L is a scaled copy of Figure S.
What is the scale factor?
Scale Factor =2
200
Figure B is a scaled copy of Figure A.
True or False: Figure B has the same number of edges as Figure A.
True. They are corresponding parts and are the same shape.
200
What supplies are you expected to have ready each day for class?
Notebook and pencil/pen
300
A scaled copy is a copy of a figure where every ______ in the original figure is multiplied by the same number.
length or side
300
What is the length of "X" if the two figures are scaled copies?
X = 40
300
What is the scale factor?
The scale factor is 0.5 or 1/2
300
If the scale factor is greater than 1, then the scaled copy will be smaller in comparison to the original figure.
False!
A scale factor greater than 1 will make the copy bigger than the original.
300
How many inches are in 3 feet?
36inches
400
To create a scaled copy, we multiply all the lengths in the original figure by the same number. This number is called the ______ ______.
Scale Factor
400
What is the length of "X" if the two figures are scaled copies?
X = 13
400
Figure B is a scaled copy of Figure A.
What is the scale factor?
Scale factor = 2.5 = 2 1/2 = 5/2
400
If the scale factor is between 0 and 1, then the scaled copy will be smaller in comparison to the original figure.
True!
Scale factors that are fractions make it smaller
400
How many feet are in 2 yards?
6 feet
500
A _________ ________ is the same shape, but a different size.
scaled copy
500
What is the length of "X" if the two figures are scaled copies?
X = 9.6 m
500
Figures A and B are scaled copies.
The scale factor from A to B is
7/9
What is the scale factor from Figure B to A?
9/7 = 1 2/7
500
If the scale factor is 1, then the scaled copy will be bigger in comparison to the original figure.
False!
If the scale factor is 1, the scaled copy will be the exact same size as the original.
500
What does centi- mean?
Example Word: Centimeter
100