Ratio and Proportional Relationships

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:b'.

Front

How do you calculate the total in a ratio problem?

Back

To calculate the total in a ratio problem, add the parts of the ratio together.

Front

What does a ratio of 5:3 mean in a real-world context?

Back

A ratio of 5:3 means that for every 5 units of one quantity, there are 3 units of another quantity.

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 a unit rate from a ratio?

Back

To find a unit rate from a ratio, divide both parts of the ratio by the denominator to express it as '1'.

Front

What is the unit rate for 30 miles in 5 hours?

Back

The unit rate is 6 miles per hour.

Front

How do 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 significance of the total in a ratio problem?

Back

The total in a ratio problem helps to understand the overall relationship between the quantities being compared.

Front

How can you simplify a ratio?

Back

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

Front

What does a ratio of 10:1 indicate in a pricing context?

Back

A ratio of 10:1 indicates that for every 10 units of one item, there is 1 unit of another item, often used to compare prices.