Unit Rates

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 (e.g., miles per hour, price per item).

Front

How do you calculate a unit rate?

Back

To calculate a unit rate, divide the quantity by the number of units. For example, if you have 120 customers in 8 hours, divide 120 by 8 to find the unit rate of customers per hour.

Front

If a teacher grades 25 homework assignments in 20 minutes, what is the unit rate in assignments per minute?

Back

The unit rate is 1.25 assignments per minute (25 assignments ÷ 20 minutes).

Front

How do you compare two rates to determine which is faster?

Back

To compare two rates, calculate the unit rate for each and compare the values. The higher unit rate indicates a faster rate.

Front

What is the price per product if 8 products cost $14.00?

Back

The price per product is $1.75, calculated by dividing the total cost ($14.00) by the number of products (8).

Front

How do you find the price per gallon if 13 gallons cost $46.80?

Back

To find the price per gallon, divide the total cost ($46.80) by the number of gallons (13), resulting in $3.60 per gallon.

Front

If Ilana made $45 for 6 hours of babysitting, how do you calculate her hourly rate?

Back

To calculate the hourly rate, divide the total earnings ($45) by the number of hours worked (6), resulting in $7.50 per hour.

Front

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

Back

Unit rates help compare different quantities and make informed decisions, such as evaluating prices, speeds, or productivity.

Front

How can unit rates be used to solve problems involving proportions?

Back

Unit rates can simplify proportions by providing a common basis for comparison, allowing for easier calculations and understanding.

Front

What is the unit rate of 60 miles in 2 hours?

Back

The unit rate is 30 miles per hour (60 miles ÷ 2 hours).