Lesson 21 Practice

Rain falls at a rate of 4/5 inches per hour during a storm. At this rate, how many inches of rain fall in 10 hours?

• 8 inches

• 4 inches

• 10 inches

• 5 inches

Tags

CCSS.7.NS.A.2

CCSS.7.NS.A.3

CCSS.7.RP.A.2

A school bus leaves a middle school at 2:00 p.m. The bus takes the basketball team to a game 30 miles away. If the bus travels at a rate of 40 miles per hour, what time does the team arrive at the game?

• 2:45 p.m.

• 2:30 p.m.

• 3:00 p.m.

• 3:15 p.m.

Tags

CCSS.7.NS.A.1

CCSS.7.NS.A.2

CCSS.7.NS.A.3

On the way back, the bus travels at a rate of 35 miles per hour. How far does the bus travel in 15 minutes?

• 8.75 miles

• 7.5 miles

• 9 miles

• 10 miles

Tags

CCSS.7.RP.A.1

CCSS.7.RP.A.2

Leo runs the 40-yard dash in 4.84 seconds. What is Leo’s rate in yards per second?

• 8.26 yards/second

• 7.85 yards/second

• 8.26 yards/second

• 8.50 yards/second

Tags

CCSS.7.RP.A.1

Leo runs the 40-yard dash in 4.84 seconds.

What is Leo’s rate in feet per second?

• 24.79 feet/second

• 25.00 feet/second

• 24.78feet/second

• 27.00 feet/second

Tags

CCSS.7.RP.A.1

Leo runs the 40-yard dash in 4.84 seconds.

What is Leo’s rate in feet per minute?

• 1574.4 feet/minute

• 1580.0 feet/minute

• 1560.0 feet/minute

• 1600.0 feet/minute

Tags

CCSS.7.RP.A.1

CCSS.7.RP.A.2

CCSS.7.RP.A.3

Leo runs the 40-yard dash in 4.84 seconds.

What is Leo’s rate in feet per hour?

• 89208 feet/hour

• 94500 feet/hour

• 95000 feet/hour

• 94000 feet/hour

Tags

CCSS.7.RP.A.1

CCSS.7.RP.A.3

Leo runs the 40-yard dash in 4.84 seconds.

What is Leo’s rate in miles per hour?

• 16.90 miles/hour

• 18.00 miles/hour

• 18.50 miles/hour

• 19.00 miles/hour

Tags

CCSS.7.RP.A.1

Leo runs the 40-yard dash in 4.84 seconds. Imagine that Leo could actually maintain this pace for a long time. How many hours would it take him to run the 277-mile length of the Grand Canyon?

• 14.5 hours

• 15.5 hours

• 16.5 hours

• 16.39 hours

Tags

CCSS.7.EE.B.3

CCSS.7.RP.A.1

CCSS.7.RP.A.2

CCSS.7.RP.A.3

Adesh swims at a rate of 50 meters per minute. He completes the swim part of the triathlon in 30 minutes. How far does he swim in kilometers?

• 1.5 kilometers

• 2 kilometers

• 2.5 kilometers

• 3 kilometers

Tags

CCSS.7.RP.A.1

CCSS.7.RP.A.2