Unit 2 Exam Review: Introducing Ratios

Front

What is a ratio?

Back

A ratio is a comparison of two quantities that shows the relative size of one quantity to another, often expressed as 'a to b' or a:b.

Front

How do you write a ratio in simplest form?

Back

To write a ratio in simplest form, divide both terms of the ratio by their greatest common factor.

Front

If 1 scoop of coffee grounds is added to 2 cups of water, how many cups of water are needed for 5 scoops?

Back

10 cups of water.

Front

What is a ratio table?

Back

A ratio table is a tool used to organize pairs of numbers that form a ratio, helping to visualize the relationship between the quantities.

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

If a 6-ounce package contains 45 pieces of fruit snacks, how many pieces are in a 10-ounce package?

Back

75 pieces.

Front

What is the unit rate?

Back

The unit rate is a comparison of two different quantities when they are combined together, expressed as a quantity per one unit of another quantity.

Front

How do you calculate miles per gallon?

Back

To calculate miles per gallon, divide the total miles traveled by the total gallons of fuel used.

Front

What is the relationship between ratios and proportions?

Back

Ratios compare two quantities, while proportions state that two ratios are equal.

Front

If you travel 150 miles on 5 gallons of gas, how far do you travel per gallon?

Back

30 miles per gallon.