Understanding Speed Quiz

A squirrel ran 9 miles in 1 hour. Which expression can be used to determine its speed in miles per hour?

• 9 miles ÷ 1 hour

• 1 hour ÷ 9 miles

• 1 mile ÷ 9 hours

• 9 hours ÷ 1 mile

Jamaal ran 6 miles in 30 minutes. Which expression shows how to correctly determine his speed in miles per minute?

• 6 miles ÷ 30 minutes
  

• 30 minutes ÷ 6 miles
  

• 6 miles ÷ 1 minute
  

• 30 minutes ÷ 1 mile
  

The snail moved 6 inches in 120 minutes. What was the average speed of the snail in inches per minute?

• $\frac{1}{20}\ of\ an\ inch\ per\ \min ute$

• $\frac{1}{2}\ of\ an\ inch\ per\ \min ute$

• 2 inches per minute

• 20 inches per minute

A running relay team ran a 400 meter race in a record-setting time of 36 seconds. What was their average speed to the nearest tenth of a meter per second?

• 0.09 meters per second

• 0.36 meters per second

• 9.0 meters per second

• 11.1 meters per second

Sarah the cheetah ran 100 meters at a speed of 16.8 meters per second. An olympian ran the 100-meter dash in 9.6 seconds. How much faster was Sarah the cheetah’s speed, to the nearest tenth of a meter per second?

• 0.9 meters per second

• 1.6 meters per second

• 6.4 meters per second

• 10.4 meters per second

Alex determined that his average speed when he commuted to work is 35 miles per hour. What conversion factor can be used to convert this speed to feet per hour?

• $\frac{1\ mile}{5,280\ feet}$

• $\frac{1\ hour}{5,280\ feet}$

• $\frac{5,280\ feet}{1\ mile}$

• $\frac{5,280\ feet}{1\ hour}$

Small earthworms travel at speeds of about 0.2 centimeters per second. What is this speed in meters per second?

• 0.0002 meters per second

• 0.002 meters per second

• 20 meters per second

• 200 meters per second

The fastest that a seahorse can travel is 2,640 feet per hour. What is its top speed in miles per hour?

• 0.05 miles per hour

• 0.2 miles per hour

• 0.5 miles per hour

• 2 miles per hour

A starfish’s top speed is approximately 161 centimeters per minute. What is this speed to the nearest centimeter per second?

• 2 centimeters per second

• 3 centimeters per second

• 9,660 centimeters per second

• 16,100 centimeters per second

The rocket that carried the Curiosity Rover to Mars traveled at a speed of 21,000 miles per hour. What is this speed to the nearest mile per second?

• 6 miles per second

• 350 miles per second

• 1,260,000 miles per second

• 75,600,000 miles per second