Ratio Language and Equivalent Ratios

Front

What is a ratio?

Back

A ratio is a relationship between two numbers that shows how many times the first number contains the second.

Front

How do you express a ratio?

Back

A ratio can be expressed in three ways: using a colon (e.g., 3:5), as a fraction (e.g., 3/5), or in words (e.g., 3 to 5).

Front

What does it mean for two ratios to be equivalent?

Back

Two ratios are equivalent if they represent the same relationship between numbers, meaning they simplify to the same fraction.

Front

How do you simplify a ratio?

Back

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

Front

What is the ratio of cats to total animals if Molly has 2 dogs and 3 cats?

Back

The ratio of cats to total animals is 3:5.

Front

If the ratio of tenants to cars is 3:5 and there are 30 tenants, how many cars are there?

Back

If there are 30 tenants, there are 50 cars.

Front

What is the simplest form of the ratio 16:40?

Back

The simplest form of the ratio 16:40 is 2:5.

Front

How do you find a missing number in a ratio?

Back

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

Front

What is a ratio table?

Back

A ratio table is a table that displays pairs of numbers that form equivalent ratios.

Front

How can you check if two ratios are equivalent?

Back

To check if two ratios are equivalent, cross-multiply and see if the products are equal.