Find the Factors
Find the Scale Factor
Draw the Copy
Extra Problems
PEMDAS Practice
100
What are all the factors of 6?
1, 2, 3, and 6
or
1x6, 2x3
100
A circle with a radius of 2 was scaled to a new circle with a radius of 6. What is the scale factor?
Scale Factor = 3
100
Scale this triangle using a scale factor of 2 and draw it on your whiteboard.
A drawing of a triangle with lengths 6, 8, and 10.
100
What is the scale factor from Trapezoid A to Trapezoid B?
Scale Factor = 3
100
6 + 5 x 4
26
200
What are all the factors of 20?
1, 2, 4, 5, 10, 20
or
1x20, 2x10, 4x5
200
Find the scale factor from the polygon on the left to the polygon on the right.
Scale factor = 6
200
Scale this triangle with a scale factor of 1/3.
A smaller triangle with lengths 3, 4, and 5.
200
Triangle UVW corresponds to Triangle XYZ. What is the scale factor?
Scale Factor = 4
200
14 + (11 x 3) - 5
42
300
What are all the factors of 42?
1, 2, 6, 7, 21, 42
or
1x42, 2x21, 6x7
300
A rectangle with a perimeter of 40 was scaled to a new rectangle with a perimeter of 10. What is the scale factor?
Scale Factor = 1/4
(divide by 4)
300
Scale this triangle with a scale factor of 5. Make sure you write the lengths!
A triangle drawing with lengths 25, 30, and 40 in.
300
Triangle UVW corresponds to Triangle XYZ. What will be the length of side YZ?
16
300
50 / (9-4) x 3
30
400
What are all the factors of 50?
1, 2, 5, 10, 25, 50
or
1x50, 2x25, 5x10
400
Find the scale factor from Triangle ABC to Triangle DEF.
Scale factor = 20/12, 10/6, or 15/9
Simplified = 5/3 or 1.667
400
Scale this rectangle with a scale factor of 2.5
A rectangle that is 5yd tall and 22.5 yd long.
400
What is the scale factor from B to A?
Scale factor = 1/2
NOT 2! That would be from A to B.
400
8 + 7 x 6 - 5 x 4 + 3 x 2 - 1
35
500
What are all the factors of 72?
1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72
or
1x72, 2x36, 3x24, 4x18, 6x12, 8x9
500
A triangle was scaled from a height of 12 inches to a height of 8 inches. What is the scale factor?
Scale factor = 8/12 = 2/3
500
Scale this rectangle with a scale factor of 1/2
A smaller rectangle with length 4 cm and height 5.5 cm.
500
A circle has a radius of 25 ft. It is then scaled by 1/5. What is the radius of the new circle?
5 ft
500
((14 / 2) + (50 + 20) ) / 11
7