Ratios and Rates

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

What does the word 'to' signify in a ratio?

Back

The word 'to' is used to indicate the relationship between the two quantities in a ratio.

Front

How can ratios be expressed?

Back

Ratios can be expressed in several forms: as fractions (e.g., 2/3), with a colon (e.g., 2:3), or in words (e.g., two-thirds).

Front

What is a unit rate?

Back

A 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

If 4 concert tickets cost $252, what is the price per ticket?

Back

$63.00

Front

If you spend $40 on 5 pounds of concrete, what is the unit rate in dollars per pound?

Back

$8 per pound.

Front

Which of the following is NOT equivalent to 3:5? 15:25, 9:15, 21:28, 30:50

Back

21:28 is NOT equivalent to 3:5.

Front

What is the relationship between equivalent ratios?

Back

Equivalent ratios represent the same relationship between quantities, meaning they can be simplified to the same form.

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 cross-multiply to solve for the unknown.

Front

What is the difference between a ratio and a rate?

Back

A ratio compares two quantities, while a rate compares two quantities with different units (e.g., miles per hour).