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, such as miles per hour or cost per item.

Front

How do you calculate a unit price?

Back

To calculate a unit price, divide the total cost by the number of items. For example, if 8 cans of soda cost $3, the unit price is $3 ÷ 8 = $0.375, rounded to $0.38.

Front

What is the unit rate of speed?

Back

The unit rate of speed is the distance traveled per unit of time, commonly expressed in units like miles per hour (mph) or kilometers per hour (km/h).

Front

If a computer downloads 1,680 kilobytes in 4 minutes, how do you find the unit rate?

Back

To find the unit rate, divide the total kilobytes by the total minutes: 1,680 kb ÷ 4 min = 420 kb per minute.

Front

What is the unit rate for buying items?

Back

The unit rate for buying items is the cost per single item, calculated by dividing the total cost by the number of items purchased.

Front

How do you find the unit rate of work done?

Back

To find the unit rate of work done, divide the total amount of work completed by the time taken to complete it, often expressed as tasks per hour or problems per minute.

Front

What is the unit rate of earnings?

Back

The unit rate of earnings is the amount of money earned per unit of time, such as dollars per hour.

Front

How do you round a number to the nearest cent?

Back

To round a number to the nearest cent, look at the third decimal place. If it is 5 or greater, round up the second decimal place by one; if it is less than 5, keep the second decimal place the same.

Front

What is the formula for calculating unit rates?

Back

The formula for calculating unit rates is: Unit Rate = Total Quantity / Total Units.

Front

Why is it important to understand unit rates?

Back

Understanding unit rates is important because it helps in making comparisons, evaluating costs, and making informed decisions in everyday situations.