Summer Flashcard 4 Rates and Unit Rates

Front

What is a rate?

Back

A rate is a ratio that compares two different quantities, often with different units, such as miles per hour or cost per gallon.

Front

What is a unit rate?

Back

A unit rate is a rate in which the second quantity is 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 calculate a unit rate?

Back

To calculate a unit rate, divide the first quantity by the second quantity. For example, if you have 240 miles in 4 hours, the unit rate is 240 ÷ 4 = 60 miles per hour.

Front

What is the formula for finding the cost per gallon of gas?

Back

Cost per gallon = Total cost ÷ Number of gallons.

Front

If a train travels 1,230 miles in 5 hours, what is the unit rate?

Back

246 mph.

Front

How do you determine the slowest reading rate from multiple options?

Back

Calculate the rate for each option by dividing the number of pages by the time taken, then compare the results.

Front

What is the cost per pound if 4 pounds of bananas cost $6?

Back

$1.50 per pound.

Front

What is the relationship between rates and ratios?

Back

A rate is a specific type of ratio that compares two quantities with different units.

Front

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

Back

Unit rates help compare prices, speeds, and other quantities to make informed decisions.

Front

How can you express a rate as a fraction?

Back

A rate can be expressed as a fraction where the numerator is the first quantity and the denominator is the second quantity.