Unit Rates

Find the Unit Rate.
405 rotations in 5 minutes   

• 81 rotations per minute
• 73 rotations per minute
• 18 rotations per minute
• 810 rotations in 10 minutes

Hamburger sells for 3 pounds for $6. If Alicia buys 10 pounds of hamburger, how much will she pay?

• $30
• $20
• $60
• $10

Josh bought a pizza with eight slices of pizza for $12. What is the cost of a slice of pizza?

• $12
• $1.50
• $3
• $1

Do the ratios form a proportion?

• Yes, they form a proportion.
• No, they do not form a proportion.

Do the ratios form a proportion?

• Yes, they form a proportion.
• No, they do not form a proportion.

Brutus worked for 6 hours and made $90. How much did Brutus get paid per hour?

• 90/6 = $15 per hour
• 90 x 6 = $540 per hour
• 90 + 6 = $96 per hour
• 6/90 = 1 hour per $15

Alycia earned $20.40 in 3 hours. What is her unit rate in dollars per hour?

• $7 per hour
• $6 per hour
• $6.80 per hour
• $17.40 per hour

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

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

• $8 per pound
• $5 per pound
• $35 per pound
• 0.125 pounds per dollar

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

CCSS.6.RP.A.3

A 20-ounce box of cereal costs $3.20. A 12-ounce box of cereal costs $1.80. Find the unit rate per ounce for each and determine the better buy.

• A. The 20-ounce box is the better buy, because the unit rate is $0.15
• B. The 12-ounce box is better buy, because the unit rate is $0.16
• C. The 20-ounce box is the better buy, because the unit rate is $6.25
• D. The 12-ounce box is the better buy, because the unit rate is $0.15

Marcus burns 90 calories in 5 minutes when running. At this rate, how many calories will he burn if he runs for 30 minutes?

• 150 calories
• 540 calories
• 30 calories
• 270 calories

Tags

CCSS.6.EE.B.7

CCSS.6.RP.A.2

CCSS.6.RP.A.3