Ratios and Rates

Front

What is a ratio?

Back

A ratio is a comparison of two quantities, showing the relative size of one quantity to another.

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 rate in which the denominator is 1, allowing for easy comparison of different rates.

Front

How do you calculate words per minute?

Back

To calculate words per minute, divide the total number of words typed by the total number of minutes taken.

Front

What is the simplest form of a ratio?

Back

The simplest form of a ratio is when both quantities are divided by their greatest common divisor.

Front

If a recipe calls for 2 cups of flour for every 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 the missing number in a ratio table?

Back

To find the missing number in a ratio table, use the known ratios to set up a proportion and solve for the unknown.

Front

What is the ratio of 88 students to 4 classes?

Back

The ratio of students to classes is 22:1.

Front

How do you convert ounces to cups?

Back

To convert ounces to cups, divide the number of ounces by 8, since there are 8 ounces in 1 cup.

Front

What is the relationship between ratios and rates?

Back

Ratios compare quantities, while rates compare quantities with different units, often expressed as a ratio.