Ratio, Rates & Unit Rates Test 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:b'.

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

How do you find a unit rate from a total cost and quantity?

Back

Divide the total cost by the quantity to find the cost per unit.

Front

If a recipe calls for a 1:2 ratio of sugar to flour, how much flour is needed for 3 cups of sugar?

Back

6 cups of flour are needed (3 cups sugar x 2).

Front

What is the relationship between ratios and fractions?

Back

Ratios can be expressed as fractions, where the first quantity is the numerator and the second quantity is the denominator.

Front

How do you solve for an unknown in a ratio?

Back

Set up a proportion and cross-multiply to find the unknown value.

Front

What does it mean if two ratios are equivalent?

Back

Two ratios are equivalent if they represent the same relationship between quantities.

Front

How can you express a ratio of 1:2 as a fraction?

Back

As a fraction, 1:2 can be expressed as 1/2.

Front

If there are 5 ice cream cones for every 3 brownies, how many cones are there for 24 brownies?

Back

There are 40 ice cream cones (24 brownies x 5/3).

Front

What is the unit rate if you spend $40 on 5 pounds of concrete?

Back

The unit rate is $8 per pound.