Unit 2 Lessons 8-9 Unit Rate and Constant Speed

Han ran 10 meters in 2.7 seconds. Priya ran 10 meters in 2.4 seconds. Who ran faster?

• Han

• Priya

Tags

CCSS.5.NBT.A.3B

If, Priya ran 10 meters in 2.4 seconds. At this rate, how long would it take Priya to run 50 meters?

• 27 seconds

• 24 seconds

• 12 seconds

Tags

CCSS.6.RP.A.3B

A cargo ship traveled 150 nautical miles in 6 hours at a constant speed. How far did the cargo ship travel in one hour?

• 20 mph

• 25 mph

• 15 mph

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

A recipe for pasta dough says, “Use 150 grams of flour per large egg.” How much flour is needed if 6 large eggs are used?

• 25 grams

• 900 grams

• 650 grams

Tags

CCSS.6.RP.A.3B

Priya bought these items at the grocery store. Find each unit price: 12 eggs for $3. How much is the cost per egg?

• $0.25 per egg

• $3.00 per egg

• $1.00 per egg

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

If Priya purchased 3 pounds of peanuts for $7.50. How much is the cost per pound?

• $2.50

• $3.50

• $4.00

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

If 4 rolls of toilet paper for $2. How much is the cost per roll?

• $2.00 per roll

• $0.50

• $1.00

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

If you can buy 10 apples for $3.50. How much is the cost per apple?

• $0.50

• $ 2.38

• $0.35

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

You spend $40 on 5 pounds of concrete. What is the unit rate in dollars per pound?

• $8 per pound

• $35 per pound

• $5 per pound

• $0.125 per pound

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

The ball team traveled 2 hours to play in the region playoffs.  The team traveled a constant speed of 70 mph on the interstate.  How many miles did the team drive to reach their destination? 

• 14 miles
• 45 miles
• 140 miles

Tags

CCSS.7.EE.B.3