Ratio/Unit Rates/Equivalent 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 express a ratio as a fraction?

Back

To express a ratio as a fraction, write the first quantity as the numerator and the second quantity as the denominator.

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'.

Front

How do you find the unit price?

Back

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

Front

What is an equivalent ratio?

Back

Equivalent ratios are two or more ratios that represent the same relationship between numbers.

Front

Simplify the ratio 12:16.

Back

The simplified ratio is 3:4.

Front

If a recipe calls for 2 cups of flour and 3 cups of sugar, what is the ratio of flour to sugar?

Back

The ratio of flour to sugar is 2:3.

Front

What is the ratio of 5 apples to 10 oranges in simplest form?

Back

The simplest form of the ratio is 1:2.

Front

How do you compare two ratios?

Back

To compare two ratios, convert them to fractions and find a common denominator or cross-multiply.

Front

What is the ratio of red marbles to total marbles if there are 2 red, 3 blue, and 5 yellow marbles?

Back

The ratio of red marbles to total marbles is 2:10 or 1:5.