Rates, unit rates and proportions

You spend $40 on 5 pounds of concrete. What is the unit rate in dollars per pound?

• $8 per pound

• $35 per pound

• $5 per pound

• $0.125 per pound

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Will spent $3.75 for 3 pounds of granola. What is his unit rate in dollars per pound?

• $.50 per pound

• $1.25 per pound

• $3 per pound

• $2.50 per pound

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

A cashier at the grocery store rung up 2 customers in 8 minutes. At this rate, how many customers can he ring up in 30 minutes?

• 16 customers

• 10.5 customers

• 7.5 customers

• 14 customers

Tags

CCSS.6.RP.A.3B

After 3 hours, Ernie had travelled 195 miles. If he travels at a constant speed, how far will he have travelled after 5 hours?

• 400 miles

• 325 miles

• 575 miles

• 650 miles

Tags

CCSS.6.RP.A.3B

Which is the better buy? A 12-pack of Pepsi for $3.50 or a 6-pack for $1.80?

• The 12-pack

• The 6-pack

• They're the same

• Neither, I prefer Coke

Tags

CCSS.6.RP.A.3B

A rate is a ratio that compares

• A part to a part

• A part to a whole

• Quantities with different units

• Quantities with the same units

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

A unit rate is a rate in which the unit in the denominator is:

• 0

• 3

• 1

• 2

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Harry mowed eight lawns and earned $96. How much did he earn for each lawn?

• $96
• $12
• $768
• $8

Tags

CCSS.3.OA.A.3

Water flows from a faucet at a rate of 5 gallons every 25 seconds. At this rate, how many gallons will flow from the faucet in 45 seconds?

• 9 gallons
• 5 gallons
• 11 gallons
• 40 gallons

Tags

CCSS.6.RP.A.3B

A machine can pack 70 boxes of spaghetti in 5 minutes. At this rate, how many boxes can they pack in 8 minutes.

• 35 boxes
• 14 boxes
• 112 boxes
• 560 boxes

Tags

CCSS.6.RP.A.3B