Ratios, Rates and Unit 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 to b' or 'a:b'.

Front

How do you simplify a ratio?

Back

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

Front

What is the ratio of triangles to squares if there are 4 triangles and 12 squares?

Back

1 : 3

Front

What is the ratio of squares to circles if there are 12 squares and 6 circles?

Back

2 : 1

Front

If you have 29 books and have read 18, what is the ratio of books not read to all books?

Back

11 : 29

Front

What is a unit rate?

Back

A unit rate is a comparison of two different quantities when they are combined together, expressed as a quantity per one unit of another quantity.

Front

How do you find the unit rate of a cost?

Back

To find the unit rate of a cost, divide the total cost by the number of units.

Front

If an eight pack of juice boxes costs $4.79, what is the cost per juice box?

Back

$0.60 per juice box.

Front

If a 12 pack of juice boxes costs $6.59, what is the cost per juice box?

Back

$0.55 per juice box.

Front

Which is the better buy: an 8 pack for $4.79 or a 12 pack for $6.59?

Back

The 12 pack is the better buy.