Ratios and Unit Rates

Front

What is a ratio?

Back

A ratio is a comparison of two quantities that shows the relative size of one quantity to another, often expressed as 'a to b' or 'a:b'.

Front

How do you simplify a ratio?

Back

To simplify a ratio, divide both terms by their greatest common factor (GCF).

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 'x per 1 unit'.

Front

If you have 5 apples and 10 oranges, what is the ratio of apples to oranges?

Back

The ratio of apples to oranges is 5:10, which simplifies to 1:2.

Front

What is the ratio of boys to girls if there are 8 boys and 12 girls?

Back

The ratio of boys to girls is 8:12, which simplifies to 2:3.

Front

How do you find the price per item?

Back

To find the price per item, divide the total cost by the number of items.

Front

If a car travels 60 miles in 1 hour, what is the unit rate in miles per hour?

Back

The unit rate is 60 miles per hour.

Front

What is the ratio of 15 to 25?

Back

The ratio of 15 to 25 simplifies to 3:5.

Front

If you read 4 out of 10 books, what is the ratio of books read to total books?

Back

The ratio of books read to total books is 4:10, which simplifies to 2:5.

Front

What is the equivalent ratio of 2:3?

Back

An equivalent ratio of 2:3 is 4:6.