Unit Rate with Fractions

Front

What is a unit rate?

Back

A unit rate is a comparison of two different quantities when they are combined together. It is expressed as a quantity per 1 unit of another quantity.

Front

How do you find the unit rate with fractions?

Back

To find the unit rate with fractions, divide the numerator by the denominator to convert the fraction into a decimal, then compare it to the other quantity.

Front

If 1/4 of a pizza uses 1/2 ounce of pepperoni, how much is used for 1 pizza?

Back

2 ounces of pepperoni.

Front

Which is a better buy: 2 books for $15 or 6 books for $45?

Back

They are the same; both options cost $7.50 per book.

Front

If 1/4 of a recipe calls for 2/3 cup of an ingredient, how much is needed for the whole recipe?

Back

8/3 cups of the ingredient.

Front

If 1/8 of an acre requires 5/2 pounds of grass seed, how much is needed for 1 acre?

Back

20 pounds of grass seed.

Front

A painter uses 1 1/2 gallons of paint for 3/4 of a room. How much for the whole room?

Back

2 gallons of paint.

Front

What is the formula to calculate unit rate?

Back

Unit Rate = Total Quantity / Number of Units.

Front

How do you convert a fraction to a decimal?

Back

Divide the numerator by the denominator.

Front

What does it mean if two ratios are equivalent?

Back

It means they represent the same relationship between quantities.