Ratios and Applying Ratios

Front

What is a ratio?

Back

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

Front

How do you simplify a ratio?

Back

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

Front

What does it mean for two ratios to be equivalent?

Back

Two ratios are equivalent if they represent the same relationship between quantities, meaning they can be simplified to the same form.

Front

If a recipe calls for 2 cups of flour to 3 cups of sugar, what is the ratio of flour to sugar?

Back

The ratio of flour to sugar is 2:3.

Front

How can ratios be expressed?

Back

Ratios can be expressed in three ways: as a fraction (2/3), with a colon (2:3), or with the word 'to' (2 to 3).

Front

What is the ratio of 4 to 8 in simplest form?

Back

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

Front

If 3 pounds of hamburger costs $6, what is the cost per pound?

Back

The cost per pound is $2.

Front

How do you find a missing value in a ratio?

Back

To find a missing value in a ratio, set up a proportion and solve for the unknown value.

Front

What is a real-life example of a ratio?

Back

A real-life example of a ratio is the number of meatballs to cups of sauce in a recipe, such as 4 meatballs : 1 cup of sauce.

Front

Which of the following is NOT equivalent to 3:5? 15:25, 9:15, 21:28, 30:50

Back

21:28 is NOT equivalent to 3:5.