Scale Drawings

Nicole made a scale drawing of her living room. On her drawing, the length of her living room is 8 inches and the width is 5 inches. The key on her drawing shows 1 inch = 3 feet. What is the actual area, in square feet, of her living room?

• 120 square feet

• 360 square feet

• 88 square feet

• 264 square feet

Tags

CCSS.7.G.A.1

A model of a cell phone camera has a scale factor of 12:1. The camera is 30 cm wide on the diagram. How wide is the actual camera?

• 360 cm

• 0.4 cm

• 2.5 cm

• 42 cm

Tags

CCSS.7.G.A.1

A map has a scale of 1 cm=5km.  On the map, two cities are 3 cm apart. What is the actual distance between these cities? 

• 1.7 km
• 5 km
• 15 km
• 17 km 

Tags

CCSS.7.G.A.1

The small rectangle is a scale model of the large rectangle. The scale that maps the small rectangle to the large rectangle is 1:4. What is the value of x?

• 21

• 1.25

• 20

• 4

Tags

CCSS.7.G.A.1

The figure shows the scale drawing of a deck. If the length of deck is 12 feet, what is the area of the deck? (Use the two lengths to find the scale factor. Use the scale factor to find the width. Use the new length and width to calculate the area.)

• 4.5 square feet

• 54 square feet

• 72 square feet

• 17.5 square feet.

Tags

CCSS.7.G.A.1

A laptop manufacturer estimates that it ships 8 defective Chromebooks out of every 1600 shipped. If BestBargain sells 400 Chromebooks, how many can they expect to be defective?

• 50

• 8

• 4

• 2

Tags

CCSS.6.RP.A.3B

A rock that weighs 25 newtons on Earth weighs 10 newtons on Mercury. How much would the Space Shuttle weigh on Mercury if it weighed 200 newtons on Earth?

• 500

• 80

• 1.25

• 250

Tags

CCSS.7.RP.A.3

Solve the proportion.

• k=5
• k=3.3333333
• k=60
• k=90

Tags

CCSS.7.RP.A.2B

Solve the proportion.

• q=2
• q=9
• q=4.5
• q=6

Tags

CCSS.6.EE.B.7

Mrs. Ploeckelman's super secret snack mix is made of 3 ingredients in a ratio of: 5 cups goldfish crackers : 3.5 cups peanut butter m&m's : 1.5 cups pretzels If she makes 70 cups of snack mix, how many cups of peanut butter m&m's will she need?

• 7

• 24.5

• 35

• 73.5