Unit Rates and Comparing Unit Rates

Front

What is a unit rate?

Back

A unit rate is a comparison of two different quantities when they are combined together. It expresses how much of one quantity corresponds to one unit of another quantity.

Front

How do you calculate a unit rate?

Back

To calculate a unit rate, divide the quantity of one item by the quantity of another item, ensuring the second quantity is 1.

Front

If Richard can fertilize 4,485 square feet in 3/4 hour, how do you find the square feet he can fertilize in one hour?

Back

Multiply the area by the reciprocal of the time: 4,485 square feet ÷ (3/4) = 4,485 * (4/3) = 5,980 square feet.

Front

What is the unit rate of $97.50 for 15 pizzas?

Back

To find the unit rate, divide the total cost by the number of pizzas: $97.50 ÷ 15 = $6.50 per pizza.

Front

How do you find the number of pages Charlotte can read in one minute if she reads 68 pages in 34 minutes?

Back

Divide the total pages by the total minutes: 68 pages ÷ 34 minutes = 2 pages per minute.

Front

What is the cost of one adult movie ticket if 20 tickets cost $250?

Back

Divide the total cost by the number of tickets: $250 ÷ 20 = $12.50 per ticket.

Front

If Henry can write 5 ¼ pages in 3 hours, how do you find his writing rate per hour?

Back

Convert 5 ¼ to an improper fraction (21/4), then divide by 3: (21/4) ÷ 3 = 21/12 = 1.75 pages per hour.

Front

What is the formula for finding a unit rate?

Back

Unit Rate = Total Quantity / Number of Units.

Front

Why is understanding unit rates important in real life?

Back

Understanding unit rates helps in making informed decisions, such as comparing prices, speeds, and other rates.

Front

How can you compare two unit rates?

Back

To compare two unit rates, calculate each unit rate and then compare the numerical values.