rate/ratio review

What is a unit rate?

• a comparison of two values that are the same

• a comparison of two value that are different

• two equivalent proportions

• a rate with a second quantity of 1 unit

Which operation do you use to scale down or solve for unit rate?

• Multiplication

• Division

• Addition

• Subtraction

A pump moves 42 gallons in seven minutes. Find the unit rate.

• 5

• 6

• 7

• 8

Maria walks 12 miles in 3 hours. How many miles does she walk per hour?

• 36

• 4

• 5

• 32

A skydiver falls 144 feet in three seconds. How far does the skydiver fall per second?

• 43

• 12

• 48

• 144

You score 84 points in six games. How much do you score per game?

• 14

• 13

• 12

• 11

Steve drives 78 miles on 3 gallons of gas. Find the miles per gallon.

• 23

• 24

• 25

• 26

A unit rate is a rate in which the unit in the denominator is:

• 100

• 1

• 10

• 1000

If Anna can type 408 words in 4 minutes, how many words can she type per minute?

• 408

• 400

• 100

• 102

You're throwing a party, and you ordered 15 pizzas for your guests. Your total came to $97.50. What was your unit cost per pizza?

• $4.95 per pizza

• $5.75 per pizza

• $6.50 per pizza

• $7.25 per pizza