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 dollars per pound.

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 60 miles in 1 hour, the unit rate is 60 miles per hour.

Front

How do you calculate speed?

Back

Speed is calculated by dividing the distance traveled by the time taken. Formula: Speed = Distance / Time.

Front

If Jen rides her bike 15 miles in 2 hours, what is her speed in miles per hour?

Back

7.5 miles per hour.

Front

What does 50 miles per hour represent?

Back

It represents a unit rate, indicating the distance traveled in miles for each hour.

Front

If Sam buys 5 pounds of meat for $5.50, how much does he pay per pound?

Back

$1.10 per pound.

Front

How do you find the cost per unit?

Back

To find the cost per unit, divide the total cost by the number of units. Formula: Cost per unit = Total Cost / Number of Units.

Front

Maria types 300 words in 6 minutes. What is her typing speed?

Back

50 words per minute.

Front

What are equivalent ratios?

Back

Equivalent ratios are ratios that express the same relationship between two quantities, such as 1:2 and 2:4.

Front

What is another name for equivalent ratios?

Back

Equivalent fractions.