Scale drawing review

A model is built to a scale of 1 ft ∶ 10 ft. If a model airplane is 3 feet long, how long is the actual plane?

• 13 ft
• 30 ft
• 3 ⅓

Tags

CCSS.7.G.A.1

Which of the following is not proportional to ¾?

• 6/8
• 9/12
• 12/16
• 15/30

Tags

CCSS.7.RP.A.2A

Which of the following shows equivalent ratios?

• 1:2 and 2:3
• 1:4 and 2:9
• 3:4 and 15:20
• 3:7 and 12:30

Tags

CCSS.6.RP.A.3A

Which of the following shows equivalent ratios?

• 10:15 and 2:5
• 12:48 and 1:3
• 2:5 and 8:15
• 15:60 and 1:4

Tags

CCSS.6.RP.A.3A

In math class, the ratio of students with black hair to students with red hair is 4∶1. If there are 15 students with red hair, how many students have black hair?

• 40
• 20
• 8
• 60

Tags

CCSS.6.EE.B.6

CCSS.6.EE.B.7

CCSS.6.RP.A.1

CCSS.6.RP.A.3

In science class, the ratio of students with brown hair to students with blonde hair is 5∶2. If there are 10 students with blonde hair, how many students have brown hair?

• 35
• 25
• 15
• 30

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.3

A model is built to a scale of 1 ft ∶ 5 ft. If a model airplane is 4 feet long, how long is the actual plane?

• 15
• 5
• ⅕
• 20

Tags

CCSS.7.G.A.1

Compare Figure One to Figure Two.

• Scale factor equal to 1 unit
• Scale factor less than 1 unit
• Scale factor greater than 1 unit
• No scale factor

Tags

CCSS.7.G.A.1

This scale drawing shows a parking lot. What is the length of the longer side of the actual lot? 

• 63 m
• 235 m
• 315 m
• 630 m

Tags

CCSS.7.G.A.1

A blueprint was using a scale of 3cm = 4.5m. Find the actual length if it is 5cm on the drawing. (Hint: simplify the scale first)

• 7.5
• 13.5
• 1.5
• 1.7

Tags

CCSS.6.RP.A.3B