Ratios, Rates, and Unit Rates

When finding a unit rate, you should ___

• add the numerator and denominator

• multiply the numerator and denominator

• divide the numerator by the denominator

• divide the denominator by the numerator

Which is a unit rate?

• 3 songs for $1.99

• $1.50 per song

• $3.46 per 2 songs

• 5 songs for $4.99

Which ratios are equivalent?

• 1:3; 2:5

• 2:4; 1:2

• 5:7; 10:20

• 2:6, 2:5

Write the ratio of onions to carrots.

• 5:2

• 3:4

• 2:5

• 4:3

Find the unit rate.

12 goals in 3 hours.

• 4 goals per hour

• 3 goals per hour

• 36 goals in 3 hours

• 12 goals in 3 hours

For a class trip, the teachers would like to have one adult for every 10 students. There are 190 students on the trip. How many adults should go on the trip?

• 1 adult

• 10 adults

• 9 adults

• 19 adults

Which car gets better gas mileage?

Car A can go 130 miles on 8 gallons of gas

Car B can go 125 miles on 9 gallons of gas

• Car A

• Car B

Determine which is the better buy.

Package A has 20 pens for $5.

Package B has 7 pens for $2.

• Package A

• Package B

Protein Bar A has 15 grams of protein in a 40 gram bar. Protein Bar B has 20 grams of protein in a 60 gram bar. Which bar has more protein per gram?

• Protein Bar A

• Protein Bar B

You are choosing a song for your dance recital. Song A has 11 beats in 10 seconds. Song B has 7 beats in 6 seconds. Which song has the greater rate?

• Song A

• Song B