Shrinking and Scaling

• 23

• 25

• 50

• 100

• 3

• 9

• 1

• 12

• 5

• 6

• 2

• 1.5

There are 75 Sour Patch Kids in a 15 oz bag. Which proportion is written correctly so that you can find the number of Sour Patch Kids in a 7 oz bag?

• A

• B

• C

Solve the proportion.

• q=2

• q=9

• q=4.5

• q=6

Justin measured a house and its lot and made a scale drawing. The scale of the drawing was 5 inches = 3 feet. If the backyard is 80 inches in the drawing, how long is the actual yard?

• 21 feet

• 48 feet

• 66 feet

• Whale

The scale drawing of the truck is 13 inches long. What is the actual length of the truck?

• 13 ft

• 20 ft.

• 22.1 ft

• 20.4 ft.

The pair of figures to the right are similar. What is the ratio of the perimeters?

• 2/7

• 7/2

• 2/3

• 4/9

Use similar triangles and a proportion to find the length of the lake shown here.

• 53 m

• 96 m

• 106 m

• 54 m

The triangles are similar.  What is the measure of side "a"

• 22

• 24

• 14

• 13.5