Rate/Unit Rate Test Review

Rate/Unit Rate Test Review

Rate

A RATE is a RATIO COMPARING two DIFFERENT units.

Miles per hour

People per group

Words per minute

$ Per item

Unit Rate

A RATE where you are comping something to the unit of another (1)

Unit = Uno = 1

$5 per hour

12 people in 1 group

50 miles per hour

$0.25 per min

55 words per min

Multiple Select

Check all of the following that are unit rates.

• 60 mph

• 90 words in two minutes

• $4 for 1 cup of coffee

• 3 girls to 6 boys

Multiple Choice

Which of the following is a unit rate?

• $22 for 2 bags of candy
• 500 words in 10 minutes
• 24 students per bus
• $3  for two packs of gum

Multiple Choice

A rate is a ratio that compares 2 different_______________________________.

• people
• units/measurements
• fractions
• denominators

Multiple Choice

Rate or Unit Rate?

400 miles in 8 hours

• Rate

• Unit Rate

Multiple Choice

Rate or Unit Rate?

12 miles per hour

• Rate

• Unit Rate

Multiple Choice

Rate or Unit Rate?

$25 for 5 glasses

• Rate

• Unit Rate

Multiple Choice

Rate or Unit Rate?

12 people in 3 groups

• Rate

• Unit Rate

Rate to Unit Rate

To go from a rate to a unit rate you must divide.

$20 for 4 cans (20 dvided by 4 = 5)

$5 per can

Multiple Choice

Bryce pays $14 for 8 pounds of strawberries. What does he pay per pound?

• $14 for 8 pounds

• $1.75 per pound

• $0.57 per pound

• $1.70 per pound

Multiple Choice

I paid $15.00 for 6 gallons of gasoline.

What was the price per gallon?

• $0.40

• $9.00

• $2.50

• $0.90

Multiple Choice

Alycia earned $20.40 in 3 hours. What is her unit rate in dollars per hour?

• $7 per hour

• $6 per hour

• $6.80 per hour

• $17.40 per hour

Unit Rate to a Rate

To go from a unit rate to a rate you must multiply.

$5 for 1 can...how much for 7 cans? ($5 x 7 = 35)

$35 for 7 cans

Multiple Choice

There are 25 rubber bands per pack. How many rubber bands are there in 5 packs?

• 125 rubber bands

• 100 rubber bands

• 15 rubber bands

• 5 rubber bands

Multiple Choice

Miguel gets paid $20 per hour. How much will get paid if he works 10 hours?

• $2

• $20

• $200

• $2000

Rate to NEW Rate

To go from a rate to a new rate you can multiply BUT if you cannot multiply FIRST you must find the unit rate by dividing, then multiply to the new rate.

$50 for 10 minutes, how much for 15 minutes.

($50 divided by 10 = $5 per minute; $5 x 15 = $75)

$75 for 15 minutes

Multiple Choice

The machine can copy 100 copies in 2 minutes.   How many copies can it make in 7 minutes?

• 50 copies
• 200 copies
• 700 copies
• 350 copies

Multiple Choice

Larry can type 225 words in 3 minutes. How many words can he type in 10 minutes?

• 75 words

• 750 words

• 2,250 words

• 7.5 words

Comparing Rates

Who is the fastest?

Whic is the better deal?

Multiple Choice

Joe can type 70 words in 2 minutes. Miguel can type 120 words in 3 minutes. Who is the faster typist? Show your work.

.

• Joe

• Miguel

Multiple Choice

Which is the better buy?

• A 4 pack of t-shirts for $2.24

• A 6-pack of t-shirts for $3.12

• An 8 pack of t-shirts for $4.24