Rate and unit rate

Evan can run 4 kilometers in 20 minutes. At this rate, how far can Evan run in 1 minute?  

• 80km

• 5km

• 0.2km

• 24km

Answer explanation

4km ÷ 20minutes=0.2km

Evan can run 0.2km in 1 minute.

Tags

CCSS.6.RP.A.2

CCSS.6.RP.A.3

A train travels 18 kilometers in 12 minutes. At this rate, how far does the train travel in 1 minute?  

• 30km

• 6km

• 0.6km

• 1.5km

Answer explanation

18km ÷ 12minutes=1.5km

The train travels 1.5km in 1 minute.

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

CCSS.6.RP.A.3

Ana can bike 9 kilometers in 24 minutes. At this rate, how far can Ana bike in 1 minute?

• 0.375km

• 33km

• 2.6km

• 15km

Answer explanation

9km ÷ 24minutes=0.375km per minute.

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

CCSS.6.RP.A.3

Jerry earned $420 last week. He worked 25 hours and earned the same amount each hour. How much was he paid per hour?

• 0.05$

• 16.80$

• 420$

• 25$

Answer explanation

420$ ÷ 25hours=16.80$ per hour

Tags

CCSS.6.EE.B.7

CCSS.6.NS.B.2

CCSS.6.RP.A.2

CCSS.6.RP.A.3

Mina earned $312 last week. She worked 15 hours and earned the same amount each hour. How much was she paid per hour?  

• 20.80$

• 312$

• 15$

• 50$

Tags

CCSS.6.EE.B.7

CCSS.6.NS.B.2

CCSS.6.RP.A.2

CCSS.6.RP.A.3

Dave earned $637 last week. He worked 35 hours and earned the same amount each hour. How much was he paid per hour?

• 637$

• 35$

• 637/35

• 18.20$

Answer explanation

Divide total $ by hours.

Tags

CCSS.6.EE.B.7

CCSS.6.NS.B.2

CCSS.6.RP.A.2

CCSS.6.RP.A.3

A ceiling fan revolves approximately 39 times in 30 seconds. At this rate, how many times does the ceiling fan revolve per second?  

• 39times

• 30times

• 9times

• 1.3times

Answer explanation

39times ÷ 30seconds

Tags

CCSS.6.NS.B.2

CCSS.6.RP.A.2

CCSS.6.RP.A.3

While working out, Tamika’s heart beats approximately 30 times in 20 seconds. At this rate, how many times does Tamika’s heart beat per second?  

• 1.5beats

• 1.5seconds

• 15beats

• 15seconds

Answer explanation

Total beats divided by total seconds.

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

CCSS.6.RP.A.3

An airplane travels 3 miles in 24 seconds. At this rate, how many miles can the airplane travel per second?  

• 24miles

• 3miles

• 0.125mile

• 8miles

Answer explanation

Total miles divided by total seconds

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

CCSS.6.RP.A.3

Ms. Cooper uses 3 pounds of veggie mixture to make 12 veggie patties of the same size. How many pounds of veggie mixture does she use per patty?  

• 4lb

• 12lb

• 3lb

• 0.25lb

Answer explanation

3lb ÷ 12patties

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

CCSS.6.RP.A.3