Ratio Review

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'.

Front

How do you write a ratio?

Back

Ratios can be written in three ways: as a fraction (a/b), with a colon (a:b), or in words (a to b).

Front

What is a unit rate?

Back

A unit rate is a comparison of a quantity to one unit of another quantity, often expressed as 'x per 1 unit'.

Front

If you have 9 cups of raisins and can make 6 loaves of bread, what is the ratio of cups of raisins to loaves of bread?

Back

The ratio is 9:6, which simplifies to 3:2.

Front

What is the unit rate if Will spent $3.75 for 3 pounds of granola?

Back

The unit rate is $1.25 per pound.

Front

What does 'part to part' ratio mean?

Back

A 'part to part' ratio compares two parts of a whole, such as the number of boys to girls.

Front

What is the ratio of coaches to students if there is 1 coach and 22 students?

Back

The ratio is 1 to 22.

Front

If there are 4 birds and 6 snakes, what is the ratio of birds to total animals?

Back

The ratio is 4 to 10, or 4/10.

Front

What is a 'part to whole' ratio?

Back

A 'part to whole' ratio compares a part of a group to the entire group.

Front

How do you simplify a ratio?

Back

To simplify a ratio, divide both terms by their greatest common divisor.