Ratios and Proportions

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'.

Front

How do you simplify a ratio?

Back

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

Front

What is a proportion?

Back

A proportion is an equation that states that two ratios are equal.

Front

How can you find a missing value in a proportion?

Back

You can find a missing value in a proportion by cross-multiplying and solving for the unknown.

Front

What is the unit price?

Back

The unit price is the cost per single unit of a product, used to compare prices.

Front

How do you calculate the unit price?

Back

To calculate the unit price, divide the total price by the number of units.

Front

What does it mean if two ratios are equivalent?

Back

If two ratios are equivalent, they represent the same relationship between quantities.

Front

If a recipe calls for a ratio of 2:3 of sugar to flour, how much sugar is needed for 6 cups of flour?

Back

4 cups of sugar are needed (2/3 of 6 cups).

Front

What is the relationship between ratios and fractions?

Back

Ratios can be expressed as fractions, where the first quantity is the numerator and the second is the denominator.

Front

How can you represent a ratio using a table?

Back

You can represent a ratio using a table by listing pairs of equivalent quantities that maintain the same ratio.