Ratio, Unit Rate, & Better Buy Review

Front

What is a ratio?

Back

A ratio is a comparison of two quantities by division, often expressed in the form 'a:b' or 'a to b'.

Front

How do you simplify a ratio?

Back

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

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 ratio?

Back

To find the unit rate, divide the first quantity by the second quantity.

Front

What does it mean for ratios to be equivalent?

Back

Ratios are equivalent if they represent the same relationship between quantities, even if the numbers are different.

Front

How can you determine if two ratios are equivalent?

Back

Cross-multiply the ratios; if the products are equal, the ratios are equivalent.

Front

What is the simplest form of the ratio 2:8?

Back

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

Front

If a coffee shop sells 3 hot cocoas for every 7 coffees, what is the ratio of hot cocoa to coffee?

Back

The ratio of hot cocoa to coffee is 3:7.

Front

What is the ratio of 3 sailboats to 6 fan boats in simplest form?

Back

The simplest form of the ratio 3:6 is 1:2.

Front

What is a better buy?

Back

A better buy is determined by comparing the unit prices of items to see which offers more value for the same amount of money.