Rate and Unit Rate

Front

What is a ratio?

Back

A ratio is a comparison of two quantities, showing how many times one value contains or is contained within the other.

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).

Front

How do you find an equivalent ratio?

Back

To find an equivalent ratio, multiply or divide both terms of the ratio by the same non-zero number.

Front

If the ratio of dogs to cats is 1:5, how many cats are there for every dog?

Back

There are 5 cats for every 1 dog.

Front

What is the unit rate of 10 pencils for $1.50?

Back

The unit rate is $0.15 per pencil.

Front

How do you calculate the unit rate from a total cost?

Back

Divide the total cost by the number of items to find the cost per item.

Front

If a car travels 120 miles in 2 hours, what is its speed in miles per hour?

Back

The speed is 60 miles per hour.

Front

What is the equivalent ratio of 2:5 when both terms are multiplied by 2?

Back

The equivalent ratio is 4:10.

Front

If I can run 3.2 miles in 1 hour, how far can I run in 3 hours?

Back

You can run 9.6 miles in 3 hours.

Front

How do you determine which option is a better buy?

Back

Calculate the unit price for each option and compare them.