Proportional Relationships Review

What is the scale factor if the triangle on the left is the original?

• 2
• 3/2
• 2/3
• 1/2

Tags

CCSS.7.G.A.1

If the scale factor is less than one, the new figure will be

• an enlargement
• a reduction
• a scale factor
• bigger

Tags

CCSS.8.G.A.3

If the scale factor is greater than one, the new figure will be

• a reduction
• an enlargement
• a scale
• not proportional

Tags

CCSS.8.G.A.3

The distance between two cities on a map is 4.125 inches.  Find the actual distance if the scale on the map is 2 inches = 40 miles.

• 165 miles
• 50 miles
• 82.5 miles
• 41.25 miles

Tags

CCSS.6.RP.A.3B

Amanda made a scale drawing of a square garden, which has a side length of 25 feet. She used the scale 2 inches = 5 feet.

What will be the area of the scale drawing?

• 10 in²
• 25 in²
• 100 in²
• 484 in²

Tags

CCSS.7.G.A.1

If Justin can type 408 words in 4 minutes, how many words can he type per minute?

• 102 words per minute
• 100 words per minute
• 400 words per minute
• 412 words per minute

Tags

CCSS.7.RP.A.1

CCSS.7.RP.A.2

CCSS.7.RP.A.3

8.  Find the unit rate of $97.50 for 15 pizzas.

• $6 per pizza
• $82.50 per pizza
• $5.50 per pizza
• $6.50 per pizza

Tags

CCSS.7.RP.A.1

CCSS.7.RP.A.2

Which is the better buy? a 12 pack of Coke for $3.50 or a six pack of Coke for $1.80?

• The 12 pack of Coke
• The 6 pack of Coke
• Neither
• They are the same

Tags

CCSS.6.RP.A.3B

What is the unit rate in this proportional relationship?

• 60 miles/1 hour
• 120 miles/ 2 hours
• 1 mile/ 1 hour

Tags

CCSS.7.RP.A.2D

What is the constant of proportionality (in miles per hour) based on the table?

• 45
• 90
• 135
• 2

Tags

CCSS.7.RP.A.2B