Proportional Relationships Quiz Review

The scale of a map says that 6 cm represents 15 km.What is the actual number of kilometers that is represented by 4 cm on the map?

• 6 km

• 13 km

• 12 km

• 10 km

Tags

CCSS.7.G.A.1

CCSS.7.RP.A.2

CCSS.7.RP.A.3

A scale drawing of a rectangular parking lot is shown. The width of the parking lot is shorter than the length. The width of the actual parking lot is 48 feet. How many feet of the parking lot are represented by 1 centimeter on the scale drawing?

• 15

• 16

• 3.75

• 153.6

The scale for a flagpole is 3 in = 8 ft.  If the drawing of the flagpole is 7.5 inches in height, how tall is the ACTUAL flagpole?

• 180 feet
• 3.1 feet
• 20 feet
• 9 feet

Tags

CCSS.7.G.A.1

CCSS.7.RP.A.2

Using the scale of 1 cm to 1.5 meter, what would be the actual area of a scale drawing that is 4 cm by 10 cm?

• 90 m²

• 40 cm²

• 1.5 cm²

• 40 m²

A rectangle has the dimensions 4cm by 5cm. A scale factor of 3 is used to enlarge the rectangle. What is the new area?

• 20 cm²

• 60 cm²

• 180 cm²

• 100 cm²

Tags

CCSS.7.G.A.1

CCSS.7.G.B.6

What is the scale factor being used if you go from the figure on the left-hand side to the figure on the right-hand side?

• 1½
• ¼
• 2
• ½

Tags

CCSS.7.G.A.1

5 boxes of candy costs $12.54. What is the unit price of one candy bar?

• 2.51

• 400000000

• 78.0

• 678

An eight pack of juice boxes costs $4.79, and a 12 pack of juice boxes cost $6.59. Use this information to calculate the better buy.

• 8 pack
• 12 pack

Tags

CCSS.7.EE.B.3

CCSS.7.RP.A.1

CCSS.7.RP.A.2

CCSS.7.RP.A.3

You go to the grocery store to buy dog food. The store has three sizes available:

A 20-lb bag for $23.44

An 8-lb bag for $9.88

A 40-lb bag for $49.00

Which size bag has the lowest cost per pound rounded to the nearest cent?

• The 8-lb bag

• The 20-lb bag

• The 40-lb bag

• I have a cat

Tags

CCSS.6.RP.A.3B

If a dog can eat 1/3 of a bag of food in 1/2 week, how many bags of food can the dog eat in 1 week?

• 1/6
• 2/3
• 3/2
• 5/6

Tags

CCSS.7.EE.B.3

CCSS.7.NS.A.2

CCSS.7.NS.A.3

CCSS.7.RP.A.2

CCSS.7.RP.A.3