Ratios and Rates Review!!!

Front

What is a ratio?

Back

A ratio is a comparison of two quantities by division, 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 factor (GCF).

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 'per 1'.

Front

How do you find the unit rate from a ratio?

Back

To find the unit rate, divide the first number by the second number to express it as a quantity per one unit.

Front

What is the greatest common factor (GCF)?

Back

The GCF is the largest number that divides two or more numbers without leaving a remainder.

Front

How do you calculate a percentage of a number?

Back

To calculate a percentage of a number, use the formula: (percentage / 100) * total number.

Front

What is an equivalent ratio?

Back

Equivalent ratios are ratios that express the same relationship between numbers, even if the numbers themselves are different.

Front

How can you use equivalent ratios to find a unit rate?

Back

You can set up a proportion using equivalent ratios to find the unit rate by solving for the unknown quantity.

Front

What is the formula for finding a unit rate in a distance and time problem?

Back

The formula is: Unit Rate = Distance / Time.

Front

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

Back

To find the amount of sugar needed, set up the ratio: (2/3) = (sugar/6). Solving gives 4 cups of sugar.