Rates & Unit Rates

Front

What is a ratio?

Back

A ratio is a relationship between two quantities, showing how many times one value contains or is contained within the other.

Front

Which of the following is NOT a way to write a ratio? 3/5, 3.5, 3:5, 3 to 5

Back

3.5

Front

How do you find the unit rate?

Back

To find the unit rate, divide the total quantity by the number of units. For example, if 4 pounds of bananas cost $6, the unit rate is $6 ÷ 4 = $1.50 per pound.

Front

What is a unit rate?

Back

A unit rate is a ratio that compares a quantity to one unit of another quantity.

Front

If 14 dogs and 13 cats are present, what is the ratio of dogs to cats?

Back

14:13

Front

How do you compare two ratios?

Back

To compare two ratios, convert them to equivalent fractions or find their decimal values.

Front

What is the cost per pound if 4 pounds of bananas cost $6?

Back

$1.50 per pound.

Front

Which is the better deal: Oreos for $2.98 for 15 oz or Chips Ahoy for $2.50 for 14 oz?

Back

Chips Ahoy is the better deal.

Front

What does it mean if a ratio is expressed as 3:5?

Back

It means for every 3 units of the first quantity, there are 5 units of the second quantity.

Front

How can ratios be represented?

Back

Ratios can be represented as fractions, with a colon (:) or with the word 'to'.