Ratios/Rates/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: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 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 the 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 2 cups of flour for every 3 cups of sugar, what is the ratio of flour to sugar?

Back

The ratio of flour to sugar is 2:3.

Front

What is the unit rate of 60 miles in 2 hours?

Back

The unit rate is 30 miles per hour.

Front

How do you express a ratio of 8 to 4 in simplest form?

Back

The simplest form of the ratio 8:4 is 2:1.

Front

If a car travels 150 miles on 5 gallons of gas, what is the unit rate of miles per gallon?

Back

The unit rate is 30 miles per gallon.

Front

What is the ratio of 11 wins to 1 loss?

Back

The ratio is expressed as 11:1.

Front

How do you compare two unit rates to determine the better buy?

Back

Calculate the unit rate for each option and compare the values; the lower unit rate is the better buy.