Rate of Speed

What is speed?

• The rate at which an object changes position

• The direction an object is moving

• moving fast

• change in speed or direction

The car travels 440 miles in 8 hours. What is the unit rate?

• 12 miles in 1 hour

• 55 miles in 1 hour

• 110 miles in 1 hour

• 44 miles in 1 hour

Who is the faster runner? Joan who runs 6 miles in 8 minutes OR Jordan who runs 9 miles in 11 minutes

• Joan

• Jordan

• The run the same speed

The double number line shows that a water park allows 18 people to go down their giant water slide in 3 minutes. How long would it take 12 people to go down the slide?

• 1 minute

• 2 minutes

• 3 minutes

• No way to find out.

________ is a type of RATIO that compares quantities that have different units of measure.

• Unit Rate

• Rate

• Ratio Supreme

• Function

If distance = rate X time, which of the following must also be true?

• Rate = distance X time

If a train travels at a speed of 100 km/hr, how far will it travel in half an hour?

• 100 km

• 50 km

• 25 km

• 10 km

If a jogger runs a 10-kilometer race in 60 minutes, what is her average speed?

• 10 km/hr

• 5 km/hr

• 6 km/hr

• 1.66 km/hr

If a car travels at 40 km/hr for 4 hours, how much distance has it covered?

• 160 km

• 140 km

• 120 km

• 100 km

A train leaves Boston traveling at a speed of 90 km/hr. How much distance will it cover in five hours?

• 45 km

• 450 km

• 180 km

• 18 km