Ratios Test Practice 2023

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 of the ratio by their greatest common divisor (GCD).

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 12 oz of nectar feeds 60 birds, how much nectar does each bird get?

Back

Each bird gets 0.2 oz of nectar.

Front

How do you find the total number of items in a ratio?

Back

To find the total number of items in a ratio, add the parts of the ratio together.

Front

What does it mean if a ratio is expressed as 2:1?

Back

It means for every 2 units of the first quantity, there is 1 unit of the second quantity.

Front

How do you convert a ratio to a fraction?

Back

To convert a ratio to a fraction, write the first quantity as the numerator and the second quantity as the denominator.

Front

What is the relationship between ratios and proportions?

Back

A proportion states that two ratios are equal, often written as a:b = c:d.

Front

If there are 88 students in 4 classes, how many students are in each class?

Back

There are 22 students in each class.

Front

What is the formula for finding the unit rate?

Back

The unit rate can be found by dividing the total quantity by the number of units.