ITCA - Ratios and 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:b'.

Front

What is a rate?

Back

A rate is a specific kind of ratio that compares two quantities with different units, such as miles per hour or price per item.

Front

What is a unit rate?

Back

A unit rate is a rate in which the denominator is 1, showing how much of one quantity corresponds to one unit of another quantity.

Front

How do you simplify a ratio?

Back

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

Front

If a car travels 150 miles using 5 gallons of gasoline, what is the ratio of miles to gallons?

Back

30:1

Front

What is the ratio of students to teachers if a school has 300 students and 15 teachers?

Back

20:1

Front

If a company has 50 employees and 10 managers, what is the ratio of employees to managers?

Back

5:1

Front

What is the simplified ratio of triangles to total shapes if there are 3 triangles and 6 total shapes?

Back

1:2

Front

How do you find a unit rate from a given rate?

Back

To find a unit rate, divide the numerator by the denominator to express the rate per one unit.

Front

What does it mean if a ratio is expressed as 1:3?

Back

It means for every 1 of the first quantity, there are 3 of the second quantity.