Ratio and Rates Review

Front

What is a ratio?

Back

A ratio is a comparison of two quantities by division, expressed as 'a to b' or 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.

Front

How do you determine if two ratios form a proportion?

Back

Two ratios form a proportion if their cross products are equal.

Front

What is a unit price?

Back

A unit price is the cost per single unit of measure, used to compare prices of different quantities.

Front

How do you calculate the unit price?

Back

To calculate the unit price, divide the total price by the number of units.

Front

What is the simplest form of a ratio?

Back

The simplest form of a ratio is when the numbers are reduced to their smallest whole number values.

Front

How do you express a ratio in simplest form?

Back

To express a ratio in simplest form, divide both terms by their greatest common divisor (GCD).

Front

What does it mean for a ratio to be equivalent?

Back

Equivalent ratios are ratios that express the same relationship between quantities, even if the numbers are different.

Front

If there are 35 students and 7 basketballs, what is the ratio of students to basketballs?

Back

5:1

Front

If a box of juice costs $5.59 for 4 boxes, what is the unit price per box?

Back

$1.40 per box.