What's the Scale?
Vocabulary
X =
Grab Bag
Randomness
100
The scale factor from triangle DEF to triangle D`E`F`is ...
What is 1.5 cm?
100
What is the definition of scale factor?
What is the factor by which every side length in an original figure is increased or decreased to create a scaled copy?
100
The value of the unknown side length x is ...
What is x = 2.5?
100
True/False
The corresponding angles of similar figures are always congruent (the same)
What is true?
100
How long has Mrs. Coffman been teaching?
13 years, this is year 14.
200
Triangle ABC has sides measuring 5, 6, and 7 cm. Triangle DEF has sides measuring 10, 12, and 14 cm. What is the scale factor?
What is 2?
200
What happens when the scale factor is 1.
What is the size stays the same?
200
The value of the unknown side length x is ...
What is x = 7?
200
What are Mrs. Coffman's daughters' names?
Madison, Ashleigh, Paige
200
What is the reduction of the ratio 2:10,
e.g. 1:?
1:5
300
The scale factor from triangle NPW to triangle N`P`W`is ...
What is 1/4?
300
What are the 2 ways to tell if triangles are similar?
DOUBLE Jeopardy!!!
What is the matching angles or same scale factor applied to every side?
300
The value of the unknown side length ? is ...
What is ? = 20?
300
True/False
If my scale factor is 1, my shape gets smaller
What is false?
300
A map has a scale of 2 cm = 15 miles. A trip will be 7 cm on the map, the actual distance will be ...
52.5 miles
400
Rectangle ABCD is similar to rectangle FGHI. The perimeter of rectangle FGHI is 50% the perimeter of ABCD. What was the scale factor from ABCD to FGHI?
What is 1/2?
400
!!DOUBLE JEOPARDY!!
What is the definition of Scale Factor.
What is a number you multiply by to get the dimensions of a scale diagram.
400
The value of the unknown side length ? is ...
What is ? = 20?
400
True/False
Multiplying by a scale factor less than 1 causes a shape to get bigger.
What is false?
400
A map has a scale of 10 cm = 55 miles. A trip will be 44 miles, the distance on the map will be ...
8 cm
500
ABC and DEF are similar. ABC has side lengths 3, 9, 10 and DEF has side lengths 12,36,40. What is my scale factor from ABC to DEF?
What is 4?
500
If a scale factor is bigger than one, does my new shape get bigger or smaller or stay the same?
What is bigger?
500
The value of the ?
What is ? = 14?
500
The value of x.
What is x = 65 degrees.
500
ABC and DEF are similar. ABC has side lengths 3, 9, 10 and DEF has side lengths 12,36,40. What is the ratio from ABC to DEF?
1:0.25