Calculating Speed

To calculate average speed you _______ the distance traveled by the elapsed time.

• divide
• multiply
• square
• subtract

The formula for speed is:  Speed= Distance/Time
To work it out you need to...

• Add the distance and time
• Multiply the distance and time
• divide distance and time 
• subtract distance and time

A train travels 25 km in 5 hrs. How fast is the train going?

• 25 miles/hr

• 5 km/hr

• 5 m/s

• 50 km/hr

A worm traveled 50 centimeters in 5 minutes.  What is the average speed of the snail?

• 10 cm/m
• 25 cm/m
• 250 cm/m
• 1 cm/m

Tags

NGSS.MS-PS3-1

Car #1 that traveled 160 kilometers in 5 hours, and Car #2 traveled 140 kilometers in the same time. Which car traveled faster?

• Car #1
• Car #2
• Their speeds are equal.

Soccer ball A goes 15 feet in 3 seconds, and Ball B goes 12 feet in 2 seconds. Which ball moved the fastest?

• Soccer Ball A
• Soccer Ball B
• Their speeds are equal.

What is the average speed of Ben’s balloon car that takes 5 seconds to travel 15 meters. (USE CORRECT UNITS!)

• 3 m/s
• 75 m/s
• 10 m/s
• 1/5 m/s

Allen travels 100 km in 5hrs. Find his average speed in km/h

• 5km/hr
• 10km/hr
• 50km/hr
• 20km/hr

Tags

NGSS.MS-PS3-1

What is the speed of an object that travels 20 meters in 4 seconds?

• 80 m/s
• 0.2 m/s
• 5 m/s
• 24 m/s

Tags

NGSS.MS-PS3-1

A runner races in the 100 meter dash.  It takes her 10 seconds to finish.  What is her average speed?

• 10 m/s
• 1000 m/s
• 100 seconds
• 10 seconds

Tags

NGSS.MS-PS3-1