Ratio and rates review

Express the rate as a unit rate: 70 miles in 2 hours

• 70 miles in 2 hours

• 35 miles in 1 hour

• 45 miles in 1 hour

• 140 miles in 4 hours

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Tiffany pays $40 for 160 minutes of talk time on her cell phone. How many minutes of talk time does she get per dollar?

• 4 minutes

• 40 minutes

• 120 minutes

• 6400 minutes

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

It took Conner 45 minutes to jog 5 miles. At this rate, how many minutes did it take him to jog each mile?

• 10 min

• 8 min

• 0.11 min

• 9 min

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

A bus makes 28 stops every 2 hours. How many stops does it make in 3 hours?

• 14 stops

• 36 stops

• 42 stops

• 52 stops

Tags

CCSS.6.RP.A.3B

162 heartbeats in 60 seconds What is the correct way to express as a unit rate?

• 0.37 heartbeats/s

• 81/30 heartbeats/s

• 162/60 heartbeats/s

• 2.7 heartbeats/s

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Laurie can type 675 words in 7.5 minutes. Kathi can type 570 words in 6 minutes. Use unit rates to determine if each pair of rates is equivalent. Choose the correct explanation.

• No; since the unit rates 90 words/min and 95 words/min are not the same, the rates are not equivalent.

• No; since the unit rates 92 words/min and 95 words/min are not the same, the rates are not equivalent.

• Yes; since the unit rates are both 90 words/min the rates are equivalent.

• No; since the unit rates 99 words/min and 95 words/min are not the same, the rates are not equivalent.

Tags

CCSS.6.RP.A.3B

Express the rate as a unit rate: 9 pages in 3 hours.

• 5 pages/h

• 4 pages/h

• 3 pages/h

• 2 pages/h

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Nicholas bought 5 pens for $3. At this rate, how much will he spend on 8 pens?

• $4.40

• $4.60

• $4.80

• $5.00

Tags

CCSS.6.RP.A.3B

In a basket filled with tiles, the ratio of red tiles to green tiles is 7:3. Katrina wants to make the same tile mix with 161 red tiles. How many green tiles should Katrina use?

• 7

• 23

• 30

• 69

Sophia uses 3 cups of peanut butter to make 51 peanut butter cookies. At this rate, how many cups of peanut butter does she need to make 153 peanut butter cookies?

• 6 cups of peanut butter

• 9 cups of peanut butter

• 12 cups of peanut butter

• 8 cups of peanut butter

Tags

CCSS.6.RP.A.3B