Flashcard 4: Unit Rate

Front

What is a unit rate?

Back

A unit rate is a rate in which the unit in the denominator is 1.

Front

How do you calculate the unit rate from a total cost and quantity?

Back

To calculate the unit rate, divide the total cost by the quantity. For example, if you spend $40 on 5 pounds of concrete, the unit rate is $40 ÷ 5 = $8 per pound.

Front

If a store sees 120 customers in 8 hours, how do you find the unit rate of customers per hour?

Back

To find the unit rate, divide the total number of customers by the total hours. So, 120 customers ÷ 8 hours = 15 customers per hour.

Front

What is the unit rate of 45 seats in 9 rows?

Back

To find the unit rate of seats per row, divide the total number of seats by the number of rows: 45 seats ÷ 9 rows = 5 seats per row.

Front

Maria walks 12 miles in 3 hours. How do you calculate her walking rate in miles per hour?

Back

To calculate the walking rate, divide the total miles by the total hours: 12 miles ÷ 3 hours = 4 miles per hour.

Front

What is the formula for calculating unit rate?

Back

The formula for calculating unit rate is: Unit Rate = Total Quantity / Total Units.

Front

Why is understanding unit rates important in real-life applications?

Back

Understanding unit rates helps in making comparisons, budgeting, and determining the best value for products or services.

Front

How can unit rates be used to compare prices of different products?

Back

Unit rates allow you to compare the cost per unit of different products, helping you determine which product offers the best value.

Front

What is the unit rate of speed if a car travels 150 miles in 3 hours?

Back

To find the unit rate of speed, divide the distance by the time: 150 miles ÷ 3 hours = 50 miles per hour.

Front

If a recipe calls for 4 cups of flour for 2 loaves of bread, what is the unit rate of flour per loaf?

Back

The unit rate of flour per loaf is calculated by dividing the total cups of flour by the number of loaves: 4 cups ÷ 2 loaves = 2 cups per loaf.