Ratios and Rates

Front

What is a ratio?

Back

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

Front

How do you express a ratio as a fraction?

Back

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

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 of one.

Front

How do you find the unit price?

Back

To find the unit price, divide the total cost by the number of items.

Front

What is the simplest form of a ratio?

Back

The simplest form of a ratio is when the numbers are reduced to their smallest whole number values.

Front

How do you simplify a ratio?

Back

To simplify a ratio, divide both terms by their greatest common factor.

Front

What is the ratio of wins to losses if a team has 25 wins and 45 losses?

Back

The ratio of wins to losses is 5:9.

Front

If 18 ounces is to 3 cups, what is the ratio in simplest form?

Back

The ratio in simplest form is 6:1.

Front

What is the unit rate of $97.50 for 15 pizzas?

Back

The unit rate is $6.50 per pizza.

Front

How do you express a ratio of triangles to squares if there are 4 triangles and 3 squares?

Back

The ratio of triangles to squares is 4:3.