Calculating Speed

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

• divide
• multiply
• square
• subtract

Tags

CCSS.6.EE.A.2C

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

Tags

NGSS.3-PS2-2

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.3-PS2-2

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.

A runner's times  for each section of a 400-meter race are shown below: 
Results from  400-meter Race
Section           Time  
1st 100  m      11 seconds
2nd 100 m      13 seconds
3rd 100 m       14 seconds
4th  100 m       14.5 seconds
Which best  describes the runner's motion over the course of  the 400-meter race? 

• The runner's speed increased. 
• The runner's speed decreased.  
• The runner's speed stayed the same.  
• The runner's direction stayed the same.  

A unusually fast zombie was chasing after Carl to eat him. What was the zombie’s speed at 6 seconds if he traveled 36 meters?

• 6 meters/seconds
• 6 seconds/meters
• .17 meters/second
• None of the above

Tags

NGSS.3-PS2-2

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.

Tags

NGSS.3-PS2-2

A dog can run 50 km in 5 days and a cat can run 15 km in 3 days. What is the difference in the two speeds? (Hint: You need to subtract!)

• 10 km/day
• 5 km/day
• 15 km/day
• 50 km/day

What is the formula to calculate speed?

• S = t/d
• S = d/t
• S = d x t
• S = t x d

Tags

NGSS.MS-PS3-1