Rates and Unit Rates Flashcard

Front

What is a unit rate?

Back

A unit rate is a ratio that compares a quantity to one unit of another quantity, often expressed as 'per' something, such as miles per hour or dollars per item.

Front

How do you calculate the unit rate from a total distance and time?

Back

To calculate the unit rate, divide the total distance by the total time. For example, if a person travels 450 miles in 6 hours, the unit rate is 450 miles ÷ 6 hours = 75 miles per hour.

Front

If a person types a certain number of words in a given time, how do you find the words per minute?

Back

To find the words per minute, divide the total number of words typed by the total time in minutes. For example, if Justin types 408 words in 4 minutes, the calculation is 408 words ÷ 4 minutes = 102 words per minute.

Front

What is the formula to find the price per pound when given the total price and weight?

Back

To find the price per pound, divide the total price by the total weight in pounds. For example, if Bryce pays $14 for 8 pounds of strawberries, the price per pound is $14 ÷ 8 pounds = $1.75 per pound.

Front

How do you determine the number of students per class when given the total number of students and classes?

Back

To determine the number of students per class, divide the total number of students by the total number of classes. For example, if there are 88 students in 4 classes, the calculation is 88 students ÷ 4 classes = 22 students per class.

Front

What is the method to calculate the price per gallon of gasoline?

Back

To calculate the price per gallon, divide the total cost by the total number of gallons. For example, if $15.00 is paid for 6 gallons of gasoline, the price per gallon is $15.00 ÷ 6 gallons = $2.50.

Front

What is the significance of unit rates in real-life applications?

Back

Unit rates help compare different quantities in a standardized way, making it easier to understand costs, speeds, and efficiencies in everyday situations.

Front

How can you convert a ratio into a unit rate?

Back

To convert a ratio into a unit rate, divide both parts of the ratio by the same number to express it as a quantity per one unit of the second quantity.

Front

What is the relationship between unit rates and proportions?

Back

Unit rates can be used to set up proportions, allowing for comparisons between different ratios and helping to solve for unknown quantities.

Front

Why is it important to understand unit rates in financial literacy?

Back

Understanding unit rates is crucial in financial literacy as it helps individuals make informed decisions about spending, budgeting, and comparing prices.