Unit Rate Flashcard

Front

What is a unit rate?

Back

A unit rate is a ratio that compares two quantities of different units with a denominator of one.

Front

How do you calculate the unit rate of a quantity?

Back

To calculate the unit rate, divide the quantity by the number of units. For example, if you have 408 words typed in 4 minutes, the unit rate is 408 ÷ 4 = 102 words per minute.

Front

If a car travels 300 miles using 20 gallons of gas, what is the unit rate of miles per gallon?

Back

The unit rate is 300 miles ÷ 20 gallons = 15 miles per gallon.

Front

What is the unit rate of 4 pounds of bananas costing $6?

Back

The unit rate is $6 ÷ 4 pounds = $1.50 per pound.

Front

If a person can run 10 miles in 2 hours, what is their speed in miles per hour?

Back

The speed is 10 miles ÷ 2 hours = 5 miles per hour.

Front

What is the unit rate of rain falling at 2 cm per hour?

Back

The unit rate is 2 cm per hour.

Front

How do you determine which option is a better deal based on unit rates?

Back

Compare the unit rates of each option. The option with the lower unit rate is the better deal.

Front

If a recipe requires 3 cups of flour for 6 servings, what is the unit rate of flour per serving?

Back

The unit rate is 3 cups ÷ 6 servings = 0.5 cups of flour per serving.

Front

What is the unit rate of 495 miles driven on 15 gallons of gas?

Back

The unit rate is 495 miles ÷ 15 gallons = 33 miles per gallon.

Front

If a person can read 120 pages in 3 hours, what is their reading speed in pages per hour?

Back

The reading speed is 120 pages ÷ 3 hours = 40 pages per hour.