Lesson 16 SPEED

Lesson 16: Speed

• What does speed tell us?

• What are the differences between ratios and rates?

Objective

Find distance and time corresponding to a given speed.

Identify real-world examples of rates and interpret their meanings in context.

Open Ended

What is a unit rate?

Open Ended

Please give an example of a situation where you would need to find the unit rate?

Multiple Choice

How many miles does a squirrel run in 2 hours at a speed of 12 miles per hour?

• 12 miles

• 24 miles

• 36 miles

• 48 miles

Multiple Choice

How many miles does a squirrel run in 4 hours at a speed of 12 miles per hour?

• 36 miles

• 48 miles

• 60 miles

• 72 miles

Multiple Choice

What is the speed of the peregrine falcon in meters per second if it dives 176 meters in 2 seconds?

• 88 meters per second

• 90 meters per second

• 85 meters per second

• 80 meters per second

Multiple Choice

If a house mouse runs 4 miles per hour slower than a squirrel, and the squirrel runs at 10 miles per hour, how fast does the house mouse run?

• 6 miles per hour

• 8 miles per hour

• 5 miles per hour

• 7 miles per hour

Multiple Choice

Based on the ratio table, how many meters does the peregrine falcon dive in 1 second?

• 88 meters

• 90 meters

• 85 meters

• 80 meters

Multiple Choice

What is the speed of the sloth in meters per minute?

• 4 meters per minute

• 5 meters per minute

• 3 meters per minute

• 2 meters per minute

Multiple Choice

How many miles does the hummingbird fly in 5 hours?

• 150 miles

• 180 miles

• 120 miles

• 90 miles

Multiple Choice

The humming bird flys 30 miles per hour. How many hours does it take the hummingbird to fly 45 miles?

• 1 hour

• 2 hours

• 1 $$\frac{1}{2}$$ hours

• 4 hours

Multiple Choice

The humming bird flys 30 miles per hour.

How many miles does the hummingbird fly in 30 minutes, or half an hour?

• 10 miles

• 15 miles

• 20 miles

• 25 miles

Multiple Choice

The humming bird flys 30 miles per hour.

How many miles does the hummingbird fly in 1 minute, or $$\frac{1}{60}$$ of an hour?

• 0.5 miles

• 0.75 miles

• 1 mile

• 1.25 miles

Multiple Choice

The horsefly flys 140 km in an hour. What is the speed the horsefly flies in kilometers per minute?

• 2 km/min

• 2.5 km/min

• 3 km/min

• 3.5 km/min

Multiple Choice

Ryan goes to a movie with his friends. He spends $24.00 to buy 4 buckets of popcorn.

What is a ratio that relates the number of dollars Ryan spends to the number of buckets of popcorn he buys?

• 6:1

• 4:1

• 8:1

• 5:1

Multiple Choice

Ryan goes to a movie with his friends. He spends $24.00 to buy 4 buckets of popcorn.

What is the rate in dollars per bucket?

• $6.00

• $5.00

• $7.00

• $8.00

Multiple Choice

There are 2 grams of protein for every 1 serving of granola. What is the rate in grams of protein per serving?

• 2 grams

• 3 grams

• 1 gram

• 4 grams

Multiple Choice

The ratio of the number of grams of protein to the number of cups of granola is 32:4. What is the rate in grams of protein per cup?

• 8 grams

• 6 grams

• 10 grams

• 7 grams

Multiple Choice

Riley runs at a constant speed of 6 miles per hour.

How many miles does Riley run in 2 hours at his constant speed?

• 10 miles

• 12 miles

• 14 miles

• 16 miles

Multiple Choice

Riley runs at a constant speed of 6 miles per hour

How much time does it take Riley to run 3 miles at his constant speed?

• 0.5 hours

• 1 hour

• 1.5 hours

• 2 hours

Multiple Choice

If a car travels at a constant speed of 10 miles per hour, how many miles will it travel in 3 hours?

• 20 miles

• 25 miles

• 30 miles

• 35 miles

Multiple Choice

Determine the speed the tortoise walks in meters per minute.

• 5 meters per minute

• 10 meters per minute

• 15 meters per minute

• 20 meters per minute

Multiple Choice

At this rate, how many kilometers does the satellite travel in 1 hour?

• 10,000 kilometers

• 12,000 kilometers

• 15,000 kilometers

• 18,000 kilometers

Multiple Choice

A bird named Zac the Macaw holds the world record for the most canned drinks opened in 1 minute by a parrot. Zac the Macaw opened 35 canned drinks in 1 minute. At this rate, how many canned drinks can Zac the Macaw open in 10 minutes?

• 200 drinks

• 250 drinks

• 300 drinks

• 350 drinks

Multiple Choice

What is the ratio of calories to servings in one pint of frozen yogurt with 440 calories for 4 servings?

• 110:1

• 100:1

• 120:1

• 90:1

Multiple Choice

If Jada rakes leaves at a ratio of 4 hours to 30 dollars, what is her rate in dollars per hour?

• $7.50 per hour

• $8.00 per hour

• $6.50 per hour

• $7.00 per hour

Poll

How well do you feel you understand rates?

• I've got this!

• I think I have this.

• I need to practice more.

• I am lost.