Unit Rate Word Problems

Front

What is a unit rate?

Back

A unit rate is a comparison of two different quantities when they are combined together. It is expressed as a quantity of one unit. For example, if a car travels 300 miles in 5 hours, the unit rate is 60 miles per hour.

Front

How do you find the unit rate from a word problem?

Back

To find the unit rate, divide the total quantity by the number of units. For example, if 50 cookies require 10 scoops of flour, the unit rate is 50 cookies / 10 scoops = 5 cookies per scoop.

Front

If Sasha baked 50 cookies with 10 scoops of flour, how many scoops of flour does she need for 70 cookies?

Back

14 scoops of flour.

Front

Emily jarred 9 liters of jam in 3 days. How many days does she need for 12 liters?

Back

4 days.

Front

What is the formula to calculate the total cost per person in a group?

Back

Total cost divided by the number of people. For example, if the total cost is $272 for 16 people, the cost per person is $272 / 16 = $17.

Front

If the corporate event costs $272 for 16 people, how many people can attend with a budget of $1,343?

Back

79 people.

Front

Toby grew 54 plants with 9 seed packets. How many plants can he grow with 11 seed packets?

Back

66 plants.

Front

What is the relationship between the number of trips and distance walked?

Back

The total distance is equal to the number of trips multiplied by the distance per trip. For example, if Pedro walked 10 kilometers in 2 trips, each trip is 5 kilometers.

Front

If Pedro walked 10 kilometers in 2 trips, how many trips for 15 kilometers?

Back

3 trips.

Front

What is a proportional relationship?

Back

A proportional relationship is a relationship between two quantities where the ratio of one quantity to the other quantity is constant.