Scale Factor
Riddles
Corresponding
Grab Bag
Math Extras
100
The scale factor from triangle PQR To triangle STU.
What is 3/2?
(15/10, 12/8, 9/6)
100
What gets broken before you can use it?
An egg
100
The point that corresponds to Point P.
What is point S?
100
True/False
The corresponding angles of scale copies are always congruent (the same)
TRUE
100
What is found by multiplying
Length x Width?
Area
200
The scale factor from triangle NPW to triangle N`P`W`is ...
What is 1/4?
(5/20)
200
What goes up but never comes down?
Your age
200
The line segment that corresponds to line segment PQ.
What is line segment ST?
200
True/False
An "enlargement" of a shape means it gets smaller
FALSE
200
What is the total distance around a shape called in math?
Perimeter
300
Triangle ABC has sides measuring 5, 6, and 7.
Triangle DEF has sides measuring 10, 12, and 14.
What is the scale factor from ABC to DEF?
(small to big)
What is 2?
300
FREE MONEY TASK!
Give someone in this room a compliment.
300
What angle corresponds with angle ABC?
What is angle DEF?
300
True/False
Multiplying by a scale factor less than 1 (a fraction or decimal) makes the shape smaller.
TRUE
300
How many Degrees do all the angles inside a Triangle add up to?
A. 90* B. 180* C. 360*
B. 180*
400
ABC has side lengths 3, 9, 10.
DEF has side lengths 12,36,40.
What's the scale factor from DEF to ABC?
(big to small)
What is 1/4?
400
A man stood outside in a rainstorm.
He did not have and umbrella, hat or anything else to cover his head.... but did NOT get his hair wet.
Why not?
He is bald
400
What line segment corresponds with segment AC?
What is line segment DF?
400
True/False
If my scale factor is 1, my shape gets smaller
FALSE
400
What is the AREA of a rectangle with a length of 7 and width of 3.
21
500
Square A is a scale copy of Square B.
Square B has an AREA 9 times bigger A.
What was the scale factor used from A to B?
What is 3?
(Area changes by Scale Factor SQUARED)
500
Your doctor gives you three pills - with the instructions to take one pill every 30 minutes.
How long will it take to take all three pills?
One Hour
(You take one right away, then one in 30 min, then the last one in 30 min after that = 1 hour)
500
The angle that corresponds to angle PQR.
What is angle STU?
500
A scale copy is made of a 50 degree angle, using a scale factor of 2...
What is the measurment of the NEW Angle?
50 degrees
(angles don't change!)
500
The reciprocal of 4/5
5/4