Ratios

Front

What is a ratio?

Back

A ratio is a comparison of two quantities, 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 if two ratios are equal?

Back

If two ratios are equal, it means they represent the same relationship between quantities.

Front

How can you express a ratio as a fraction?

Back

A ratio can be expressed as a fraction by placing the first quantity over the second quantity.

Front

What is the ratio of 8 to 4?

Back

The ratio of 8 to 4 is 2:1, which can be simplified by dividing both numbers by 4.

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 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.

Front

What is a proportion?

Back

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

Front

If 5 apples cost $10, how much do 8 apples cost?

Back

If 5 apples cost $10, then 8 apples cost $16, using the ratio of cost to quantity.

Front

What is the relationship between ratios and rates?

Back

A rate is a specific type of ratio that compares two different units, such as miles per hour.