Calculating Speed

How do we calculate speed?

• r = d / t
• d = s - p
• t = d x t
• r + d + t = s

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

• A cheetah at a unit rate of 14 ft per sec
• A gazelle at a unit rate of 12 ft per sec
• A cheetah at a unit rate of 15 ft per sec
• A gazelle at 12.5 ft per sec

Tags

CCSS.6.RP.A.3B

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

• 75 words per minute
• 6075 words per minute
• 86 words per minute
• 75 minutes per word

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Which car is going the fastest speed?

• Car A-
   10 miles/hour
• Car B-
  20 miles/hour
• Car C-
  30 miles/hour
• Car D-
  40 miles/hour

Tags

CCSS.6.NS.C.7A

CCSS.6.NS.C.7B

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

• 5 meters/sec
• 2 meters/sec
• 5 miles/hour
• 2 miles/hour

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

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

• 3 feet/sec
• 6 feet/sec
• 10 feet/sec
• 2 feet/sec

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

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

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

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

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

Tags

CCSS.6.RP.A.3B

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

• Reese
• Avery 

Tags

CCSS.6.RP.A.3A

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

• 0.5 m/min

• 2 m/min

• 2 min/m

• 0.5 min/m

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2