Calculating Speed

Front

How do we calculate speed?

Back

r = d / t

Front

Which runs faster: a cheetah that can run 60 feet in 4 seconds or gazelle that can run 100 feet in 8 seconds?

Back

A cheetah at a unit rate of 15 ft per sec

Front

Charles can type 675 words in 9 minutes. How many words can he type per minute?

Back

75 words per minute

Front

Which car is going the fastest speed? Options: Car A-
 10 miles/hour, Car B-
20 miles/hour, Car C-
30 miles/hour, Car D-
40 miles/hour

Back

Car D-
40 miles/hour

Front

Reese can run 10 meters in 5 seconds. What is her speed?

Back

2 meters/sec

Front

Avery likes to walk 30 feet in 10 seconds. What is her speed?

Back

3 feet/sec

Front

Calculate these 3 car's speeds, then rank them in order of fastest to slowest, with 3 being the fastest car and 1 the slowest car.
Car A- distance: 4 meters, time: 2 sec
Car B- distance: 2 meters, time: 2 sec
Car C- distance: 8 meters, time: 2 sec

Back

Car A = 2
Car B= 1
Car C= 3

Front

Calculate these Runner's speeds. Then rank the runners from fastest to slowest, with 1 being the fastest and 3 the slowest.
Runner1-  20 yards in 4 secs
Runner2- 20 yards in 5 secs
Runner3- 20 yards in 10 secs

Back

Runner 1= 1
Runner 2= 2
Runner 3=3

Front

Reese rides her bike 10 miles in 5 hours. Avery rides her bike 15 miles in 5 hours. Which girl rides her bike faster?

Back

Avery

Front

If Harry drives 4 miles in 2 minutes, what was his speed?

Back

2 m/min