Scale Factor
7 a. When the shape stays the same, the scale factor________.
What is equals one?
1. Quadrilateral EFGH is a scaled copy of quadrilateral ABCD. Select all of the true statements.
What is E?
*DOUBLE JEOPARDY*
3. The shapes are scaled copies. Find the length of g. For double Jeopardy, give me the scale factor.
What is SF = 1/5?
What is g = 2?
10 a. This distance on the map (in cm) represents an actual distance of 10 km.
What is 5 cm?
4 a. 3 ( ) = 12
What is 4?
5. a. What is the scale factor when going from larger to smaller rectangle?
What is 1/2 or 0.5?
2. These two things must be true for a figure to be a scaled copy of the other.
a. Corresponding sides must be scaled by the same factor.
b. Corresponding angles must stay the same.
8. Joey claims that the 2 quadrilaterals are scaled copies of each other. Do you agree or disagree, why?
What is disagree because the angles change from quad. ABCD to FGHE, even though the sides are scaled by a factor of 2?
*DOUBLE JEOPARDY!*
10 b. This is the actual number of km that is represented by 16 cm on the map.
What is 32?
What is SF = 8?
4 b. 20 ( ) = 4
What is 1/5?
5 b. What is the scale factor when going from the smaller to the larger?
What is 2?
9 d. Is ABCDE is a scaled copy of FGHIJ?
What is yes, with a scale factor of 1, because the corresponding angles don't change and neither do the corresponding sides?
9 a. This angle corresponds to angle BAE.
What is angle GFJ or angle JFG?
11. This is the actual distance from Cleveland to Cincinnati in km.
What is 300km?
4 c. 6 ( ) = 9.
What is 1.5 or 3/2?
7 b. What the shape gets smaller, the scale factor is ___________.
What is less than one?
7 c. When the shape gets bigger, the scale factor is _________.
What is greater than one?
9 b. This segment corresponds to segment HG.
What is segment BC?
12. This is the map distance in cm from Pittsburgh to Philadelphia if the actual distance is 350 mi.
What is 7 cm?
Bonus: This is the scale factor when going from an original shape with a side length of 5 to a scaled copy with a side length of 4.
What is 1.25 or 5/4?