Unit Rates
Unit Price
Part-Part-Whole
Comparing Ratios
100

A recipe calls for 2 cups flour and 3 eggs. Using a table, this is how many eggs are needed for 8 cups of flour.

What is 12 eggs?

100

If 2 pounds of apples cost $3, and you create a double number line, this is what 6 pounds would cost.

What is $9?

100

A fruit bowl contains apples and oranges in a ratio of 3:2. If there are 9 apples, this is the total number of fruits in the bowl.

What is 15 fruits? (9 apples + 6 oranges)

100

Recipe A uses 2 cups flour to 3 cups water. Recipe B uses 4 cups flour to 6 cups water. This describes how the two recipes compare.

What is they make the same mixture (or they are equivalent)?

200

Maya runs 3 miles in 24 minutes. Using a double number line, this is how long it takes her to run 1 mile.

What is 8 mintues?

200

At the grocery store, 6 bananas cost $2.40. This is the unit price per banana.

What is $0.40 per banana?

200

If the ratio of red marbles to blue marbles is 3:7, and there are 21 red marbles, this is the total number of marbles.

What is 70 marbles? (21 red + 49 blue)

200

Team A wins 6 games out of 10. Team B wins 9 games out of 15. This team has the better winning ratio.

They're the same!

Team A: 6/10 = 0.6; Team B: 9/15 = 0.6;

300

A car travels 240 miles in 4 hours. This is the car's speed in miles per hour.

What is 60 miles per hour?

300

If 5 pencils cost $2, this is the unit rate in dollars per pencil.


What is $0.40 per pencil?

300

If there are 8 cats for every 12 dogs at the shelter, and there are 40 cats. This is how many dogs are there.

What is 60 dogs?

300

Brand A sells 8 granola bars for $6. Brand B sells 12 granola bars for $10. This brand has the better unit price.

What is Brand A? (Brand A: $0.75 per bar; Brand B: $0.83 per bar)

400

Emma types 240 words in 6 minutes. At this constant rate, this is how many words she types in 25 minutes.

What is 1,000 words? (Unit rate: 40 words per minute × 25 minutes)

400

Three movie tickets cost $36. At this rate, this is the cost of 7 tickets.

What is $84? (Unit rate: $12 per ticket × 7 tickets)

400

A teacher is planning a class trip to the aquarium. There are 2 chaperones for every 15 students. The teacher orders a total of 85 tickets. This is the number of tickets for chaperones and students. 

What is 10 chaperones and 75 students?

400

A grocery store sells bags of oranges in two different sizes.

The 3-pound bag of oranges cost $4.

The 8-pound bag of oranges for $9

This orange costs less per pound.

What is the 8-pound bag for $9

$4/3=$1.33333 per pound

$9/8=$1.125 per pound 

500

A factory produces 2,400 widgets in 8 hours. At this rate, this is how many widgets they produce per minute.

What is 5 widgets per minute? (2,400 ÷ 8 = 300 per hour; 300 ÷ 60 = 5 per minute)

500

Store X sells a 24-pack of water bottles for $7.20. Store Y sells a 36-pack for $9.72. The difference in unit price per bottle between these stores is this amount.

What is $0.03? (Store X: $0.30 per bottle; Store Y: $0.27 per bottle; difference: $0.03)

500

A school has 450 students. The ratio of 6th graders to 7th graders to 8th graders is 4:5:6. This is the number of 7th graders in the school.

What is 150 seventh graders? (Total parts = 4+5+6 = 15; 450 ÷ 15 = 30 per part; 7th graders = 5 × 30 = 150)

500

Coffee Shop A uses 5 scoops of coffee for every 8 cups of water. Coffee Shop B uses 7 scoops for every 12 cups of water. This coffee shop makes stronger coffee.

What is Coffee Shop A? (Shop A: 5/8 = 0.625 scoops per cup; Shop B: 7/12 ≈ 0.583 scoops per cup)